we have launched the Big Bill's Bikes’s website <www.cj750.net>,
we have received an average of 30 e-mails per day asking
various questions about the Chang Jiang 750. These questions
range from repair to import, to places to ride, market
information, history of the CJ, maintenance, competitors
information, prices, and fake and "authentic"
Chang Jiang 750 sidecars, on and on. The following FAQs
are extracted from our e-mails and put together by Chang
Jiang 750 riders to help other Chang Jiang 750 riders.
We hope it will save us some time too and give you a
good idea about owning a Chang Jiang 750. There are
a lot of information to digest so hopefully this FAQ
will be able to answer many of your questions especially
for those overseas that does not know the market situation
in Beijing or China for Chang Jiang 750 sidecars. Do
your research, ask around and get all the details.
you have any points or notes that you want posted or
any points that we have not covered please feel free
to let us know. And especially if you note any corrections
to what we have written, or if you have any additional
questions please feel free to e-mail us. We are sure
that many Chang Jiang 750 enthusiasts will find the
information useful. We hope everyone Chang Jiang 750
owner can send us some useful information.
Chang Jiang 750 sidecars high maintenance?
YES, YES, we should stress, that YES they are ! Do not
buy one if you live outside China and do not have the
“know how”, or do not enjoy doing some tinkering.
Chang Jiang 750 sidecars require an basic understanding
of engines and respect for old technology. This sidecar
motorcycle will give you lots of fun and will also keep
you busy on weekends. If you are in China there are
many places that can fix your bike cheaply, if you are
in a western country you will definitely need to be
able to your own maintenance, understand how motorcycles
work, or it will end up costing you lots of money to
keep a Chang Jiang 750 sidecar running properly. If
you do buy one, do note that they all have a bit of
oil leaking and all require loving tender care, just
like a girlfriend you would want to keep forever. A
well built and maintained Chang Jiang 750 will provide
you endless fun and a poorly put together Chang Jiang
750 will be your worst nightmare. This is really a motorcycle
for the enthusiast / tinkerer. If you are in Beijing,
then you are in Chang Jiang 750 heaven. There are repair
shops in every district, labor is cheap, parts are available
everywhere, there are many local clubs, and importantly
you can use your Chang Jiang 750 as daily transportation
with not much worry.
you are outside China when buying one of these please
consider the cost of labor and parts before making your
purchase. If you are getting a Chang Jiang 750 from
a shop that does not have a good record for maintenance,
or you are buying from the “factory” you
may end up very unhappy. If you are in China, you will
regret not buying a CJ sooner !!!…ask any rider,
shop around, visit the various shops and join us on
our weekend rides up the mountains.
are the differences between an old Chang Jiang 750 and
a new Chang Jiang 750?
of the older Chang Jiang 750 are made of a heavier metal
and in some parts such as may also be made of thicker
metal. Examples of this are new fenders and hinges,
older fenders are thicker and heavier and the back fender
use large hinges. There are even some old Chang Jiang
750s that have different frames sizes. In terms of performance,
most of the parts are the similar so really depends
on the part you get and importantly who puts it together.
The Chang Jiang 750 and their parts vary somewhat on
quality and variances due to the different times periods
it was made and the fact that many of the dies and cast
are worn out. Many of the parts old and even new parts
require some small amount of work and tooling to make
it fit perfectly. Chang Jiang 750 sidecars are high
maintenance motorcycles thus it requires some tolerance,
patience and very regular maintenance to keep it in
good running condition, new or old. This is technology
from the 1950's and some of the parts are still being
made the same way as they were in the 1950's.
of the new Chang Jiang 750, actually almost all are
now being refurbished and put together from old and
used Chang Jiang 750 from PLA surplus. It is best to
see the “new” Chang Jiang 750 before buying
it unless you specifically know what you are getting
and plan on customizing it. In terms of quaility it
really depends on who put your Chang Jiang 750 sidecar
there many fake Chang Jiang 750 sidecar motorcycles
and fake parts in China?
get this question very often, almost everyday especially
from people wanting to buy Chang Jiang 750 sidecars
and parts. There is no such thing as a fake Chang Jiang
750. There are some poorly made parts and occasionally
these substandard parts get into the market which some
people may consider fakes. Also there are variances
of how well parts fit because every production run is
different and there are different sizes of Chang Jiang
750 frames from different years. Many of the moldings
and dies for the Chang Jiang 750 parts are extremely
old and worn so the parts that are produced are not
exactly precision parts.
may occasionally be fake parts on the market, however
we have never purchased any fake parts; what we have
seen is many substandard and poorly made parts. This
happens frequently and usually requires some modification
to make it fit and work properly. Like in most developing
countries where labor is cheap, and there is not much
emphasis on quality, or consumer warranty, the quality
of products sold on the market varies greatly. It just
depends on where you get your parts and your Chang Jiang
750 if it is going to be put together with quality parts.
to the fake Chang Jiang 750 sidecar question, that is
like asking us if we have seen a UFO. The most frequent
e-mails about this are from buyers overseas, especially
from America. To date, we have seen thousands of Chang
Jiang 750 sidecars every year and participate in the
yearly Cool Bike Festival, YinChuan Motorcycle Festival
and repair hundreds of Chang Jiang 750 sidecars and
have not yet seen a “fake” Chang Jiang 750.
Among our group of Beijing friends that have an average
of 15 years or more on Chang Jiang 750, they also have
not seen a “fake” Chang Jiang 750. We would
be very interested in seeing a “fake” Chang
Jiang 750 especially when the international community
(outside China) keeps asking us about it. We have seen
poorly made parts which is understandable considering
the age and technology of the moldings and machinery
that makes these parts together, and we have seen some
very poorly put together Chang Jiang 750 sidecars. We
have seen some export dealers that claim the age of
their Chang Jiang 750 sidecars to be older than they
really are, you can check on our 1960’s page to
see the differences of older Chang Jiang 750 sidecars
from the 1960's to ones from the 1970's.
to stop these rumors of fake Chang Jiang 750 sidecars,
we have a standing offer of 10,000RMB to anyone that
brings us a fake Chang Jiang 750 sidecar. This has been
valid offer since we put up this site in Dec. of 2004
and to date no one has taken up the offer.
to fake parts, some dealer’s get there parts from
Nan Chang and some from distributors in Beijing. In
Beijing there are two main distributors for Chang Jiang
750 parts. All the dealers from time to time will get
parts from them, or get them directly from dealers in
Nan Chang. All of the parts now are not made by the
Chang Jiang factory, the factory has been closed since
2002, but put together by other manufacturers that use
to OEM for the Chang Jiang factory. Those manufacturers
will also sell the parts directly to the market. The
Chang Jiang factory is no longer operating unless an
extremely large order comes in. Even then they rely
on outside OEM because they sold much of their moldings
to pay off their debt. Chang Jiang 750 sidecars are
very popular and there are hundreds and thousands of
them in PLA storage and coming into the market all year
round along with parts that have been in storage for
many years. Many of the Chang Jiang 750 sidecars parts
available in the market are from PLA storage. Big Bill's Bikes is
one of the few dealers in Beijing that has access to
PLA bikes and also a large inventory of PLA Chang Jiang
750 sidecars for restoration.
on where you get your Chang Jiang 750, it is possible
you might end up with a Chang Jiang 750 with very poor
quality parts, or put together sloppily, basically a
lemon. However China has thousands of Chang Jiang 750
sidecars, actually so many of them that they are frequently
sold as scrap metal and many junk yards around Beijing
have them laying in the dirt waiting to be melted. Thus,
it does not make sense to make a fake Chang Jiang 750.
You can actually buy a Chang Jiang 750 by weight from
some Beijing junk yards and also from military surplus.
It would be curious to know why would anyone fake something
that is sold by weight and even by the container load
as scrap metal? There are all sorts of parts available
in Beijing and most local dealers will not use poor
quality parts because they serve the local community
and cannot run away especially when they have an actual
shop and it is their livelihood to keep their customers
happy. What does usually happen is that some dealers
may sloppily assemble a Chang Jiang 750 or some of the
parts may not work well or not fitted properly.
a smart consumer, you should ask why would someone make
such claims that there are fake Chang Jiang 750 sidecars?!
are there lots of rumors of fake parts?
are made at different times thus varying in quality
and specifications, also there was a transition period
in the 60s, 70s, and 80s with the machinery from the
Chang Jiang factory using Russian parts to Chinese parts
and changes in engine design. Because of the variance
on many of the parts, some parts may need slight modifications
in order to fit. Some parts are hand milled, some are
machined milled, some are pressed, so it all depends
on when and where the parts are made; there are some
variances in size and quality. We have seen frames that
are from the same year that are two inches different
from front to end. Chang Jiang 750 sidecar frames are
hand welded and the frame jigs are different in size.
Quality control is not very important for many of the
guys that OEM parts. There is not much in the way of
consumer protection, or standards concerning this, so
some of these poorly made parts do end up in the market.
The quality of parts just depends on when the product
was made and your luck. Actually most of the parts currently
used on the market today are NOS PLA parts and again,
most all Beijing dealers get their parts from the same
interesting note is that due to the differences in size
of frames on old Chang Jiang 750 sidecars, some parts
from different years have to be modified so that they
will fit properly; we have noticed that there are claims
that this is “fake vs. genuine” when actually
it is due to variance of part from different years and
also there are poor quality parts made. If you try to
put a 1960 gas tank on a 1970's frame you are going
to have to do some drilling and it will not fit perfectly.
thing to do is check the quality of the parts. You should
not have to pay extra for parts because most Chang Jiang
750 parts are easily accessible, unless it is extremely
old and even old parts are inexpensive. Most Chang Jiang
750 shops will use PLA old stock parts as normal parts.
It seems like the international community has an attachment
to the word PLA and will pay a premium when its added
on in front of the parts or Chang Jiang 750. In Beijing
PLA parts are common! The majority of the local dealers
seldom uses poorly made parts because they have to deal
with actual clients that live in the neighborhood. In
China it is customary to bring their Chang Jiang 750
sidecars in and wait while the repairs are going on
and even for the customer to work with the mechanic
to fix the Chang Jiang 750. It is far better business
to use good quality parts to start with, and this is
what Big Bill's Bikes does.
quality of some parts are hard to tell unless it is
actually road tested. Thus it is wise to insist on the
builder riding the motorcycle for a certain distance
after building it to sort out all the minor problems.
And do not be surprised when you get a new bike, or
one that is rebuilt, that may have problems. This is
especially true for bikes shipped overseas, unless your
builder has test rode the motorcycle even then you may
find many problems till it is broken in.
to the rumor of fake parts, or vintage parts, some one
must have an ulterior motive for making up such rumors.
To the local CJ750 riders here, it does not matter if
the parts are PLA parts, stock parts, vintage parts,
OEM parts, parts that need a bit of modification, most
parts are equal if you can make it work right.
Hong Yang’s, or Dong Tians or Chang Hongs fakes?
Hong Yang’s are CJ750 sidecars register under
a different name. Most of the Chang Jiang 750 sidecars
that they put together are from old CJ750 or PLA inventory.
Some of the parts might also be OEM from NanChang factories
where they have the molds, tool and die. Dong Tian is
an agent that brokers Chang Jiang 750 sidecar. They
do not make sidecars themselves but run an import export
company and also represent many OEM factories that sell
motorcycles and the Chang Jiang 750 sidecar is one of
the products that they sell. We recommend that you buy
a Chang Jiang 750 from a shop that customizes them or
one that business is based on repair & maintenance,
rather than a shop that just brokers Chang Jiang 750s
as a third party.
Big Bill's Bikes’s cost so low because of fake parts?
prices listed on Big Bill's Bikes’s site are the normal market
price for CJ750 parts and Chang Jiang 750 sidecars in
Beijing. There is no such thing as a fake Chang Jiang
750 sidecars or parts. Actually, Big Bill's Bikes prices are the
same as most of the shops that cater to the local market,
which is why we decided to list all the dealers in Beijing
so you can check on prices. Unfortunately, the internet
have not offered these prices until now and since we
have put up our site, you may have noticed that the
quality of sidecars, chrome and polishing has gone up
and importantly prices have gone down. So do some bargaining!
and see what you can get. Check around and ask people
that actually live in Beijing. The price of Big Bill's Bikes’s
Chang Jiang 750 sidecars includes using all PLA NOS
parts, actually most reputable Chang Jiang 750 shops
products are very compatible. Chang Jiang 750 sidecars
are just too common in the Beijing and PLA parts are
every where. If someone tells you that they are the
only ones that have exclusive access or that there are
CJ750 sidecar that are fake…its Bullshit!
Big Bill's Bikes services many expatriates and also local Chang Jiang
750 Clubs on a daily basis so we do not operate with
two prices. Our motto is “No Bullshit” and
we guarantee our work because most of our clients are
in Beijing and visit us frequently. Also, we rely on
word of mouth advertising, and recommendations from
satisfied customers. Price has nothing to do with quality
in Beijing, all the shops source parts from the same
places. We can give numerous examples of people paying
extremely high prices for lemons and end up bringing
it to us to repair, or buying it from someone that claims
to be a dealer and latter finding out the guy does not
even have a shop and he is too busy to offer after sales
service. Check around all the local shops, you will
find the prices very similar. Go where the locals go.
There is no reason why you should pay more because you
are a foreigner.
"Chinese" shops have low quality workmanship?
definitely not true. Aren’t all the shops in China
Chinese ? … and the Chang Jiang 750 sidecars worked
on by Chinese? Quality really depends on where you go
for your Chang Jiang 750. If you are in China it is
going be a Chinese person that repairs your bike. The
standards of the shops are different than those of western
countries. What do count is quality workmanship, the
time, the effort, and experience that help makes a Chang
Jiang 750 run well which requires many years of experience.
In Beijing, there are only a handful of shops that can
be considered as having quality workmanship. You can
usually spot the work quality of a local shop by the
amount of customers that the shops have.
have been riding for many years in Beijing and still
have not found any foreigner or foreigners (except for
Jim Bryant <www.bmwsidecar.com>)
that are “hands on” repairing or building
Chang Jiang 750 sidecars in China. So if you know one
that actually hands on build them, please let us know.
point to note about quality is that there are many bikes
produced in Nan Chang by small manufacturers that never
see the end users. These shops may sloppily put together
a Chang Jiang as fast as possible and will not spend
the time to make sure that it is properly put together
and test ride it so someone might end up with a very
poorly made Chang Jiang 750.
Many of the Chang Jiang 750 parts are handed milled
and requires an experience eye to see if it is good
quality and experience to make it work properly. Some
of the parts may require some tweaking to make it work
properly so a poor looking part may be “fixed”
to make it work properly.
is a “genuine” Chang Jiang 750 versus what
Big Bill's Bikes or local the “Chinese” shops offer?
get this question quite often just like the fake parts,
actually almost everyday from people overseas that are
interested in buying a Chang Jiang 750 online and it
gets a bit annoying to answer. From these question,
one is led to believe that there is a “genuine”
Chang Jiang 750 dealer. And that all the rest are fakes.
Nothing could be further from the truth.
this not be a bit odd for a country that has tens of
thousands of people riding these bikes and over a million
Chang Jiang 750 manufactured, the PLA is unloading their
inventory of hundreds of Chang Jiang 750 sidecars every
year, and military surplus of thousands of them, there
are junk yards with heaps of sidecars motorcycles in
them, then someone would actually go to the trouble
of manufacturing a fake Chang Jiang 750 sidecar.
Big Bill's Bikes
has been in business for since 1987 and helped hundreds
of people every year with acquiring their Chang Jiang
750 sidecars. On any day there are about 30 or more
Chang Jiang 750 sidecars being serviced at the Big Bill's Bikes shop
and we have seen thousands of Chang Jiang 750 sidecars
so it would be interesting to see a “genuine”
Chang Jiang 750 that is different than any of the other
Chang Jiang 750 sidecars that comes into our shop. It
would really be an eye opener for all of us. I seriously
doubt that you will get a “fake” Chang Jiang
750 or a Chang Jiang 750 that is not “genuine”
especially when most of the shops get their parts and
Chang Jiang 750s from the same sources. Buying a Chang
Jiang 750 is not like going to Silk Street as one might
portray. What we have seen that is quite unfortunate
are a few foreigners, is they are paying more than three
times the market price with their hard earned dollar
for a Chang Jiang 750. And in fact their “genuine”
parts that are available at many of the shops in Beijing.
PLA issued sidecars are actually very common as are
the parts, actually most PLA sidecars are used for parts
because they do not have legal licences. Check around
before you buy your Chang Jiang 750 and look for an
is the quality of a Big Bill's Bikes customized Chang Jiang 750 sidecar
Big Bill's Bikes
customizes Chang Jiang 750 sidecars with details such
as 12 layer paint jobs, high quality chrome parts that
do not rust, and high performance accessories. We make
the Chang Jiang 750 stunningly beautiful, and importantly
they perform better and run faster. For those that prefer
their Chang Jiang 750 stock, Big Bill's Bikes also has stock Chang
Jiang 750 in black or PLA green rebuilt with no special
modifications. For those that like WW-II, BMW R-71 style
sidecars Big Bill's Bikes has the most detailed replicas available
in China. Check out our WW-II pages for details.
of our excellent quality workmanship and no bullshit
prices, most buyers will prefer to upgrade and customize
their Chang Jiang 750. Most popular upgrades are the
aesthetics such as using chrome parts and custom paint
jobs. Also, performance motor upgrades including the
low profile, 3 ring pistons and constant velocity carburetors.
OHV 32 hp polished engines are very popular. For high
end bikes, we have polished aluminum engines that shine
like chrome. A beautifully customized Chang Jiang 750
reflects the style of the owner. Big Bill's Bikes prides itself in
offering a custom built, performance Chang Jiang to
the foreign market and or international sales.
test of the quality or our workmanship is that our customers
ride to Yin Chuan every year to participate in China’s
International Motorcycle Festival, to Tibet, Xin Jiang
and every weekend up to the mountains in Beijing. Look
at the details of Big Bill's Bikes’s customized Chang Jiang
750 sidecars and compare.
"Chinese" chrome rust?
have received many e-mails about "Chinese”
chrome rusting. All chrome parts have to be maintained
to keep its shine. Normally there are three grades of
chrome parts available. In the past only poor quality
chrome was available. Recent developments have provided
a quantum leap in chrome quality. So yes, until recently
low quality chrome did rust. You can actually see the
differnent quality chrome on our tail
2003, better chrome parts have been available and are
used in our premium restorations. A excellent chrome
shock cover will cost about 30 USD where as a lower
grade chrome shock cover might cost 5 USD. Big Bill's Bikes has three
grades of chrome for customers depending on their budgets.
Most dealers will use the lower grade chrome due to
the price constraints. What kind of chrome you get depends
on how much you want to spend. Keeping your chrome polished
and will prevent it from rusting. We custom build high
end Chang Jiang 750s with high quality chrome parts
to even include chrome 32 OHV engines for half of what
our competitors charge so check around.
out the high quality chrome on our premium Chang Jiang
750 and also chrome page.
Big Bill's Bikes have some of the best chrome parts in China, as
the factory that we use have been trained by German
technicians in the process of chroming. Big Bill's Bikes suppliers
can even chrome engines, aluminum and plastic parts.
Depending on you budget we have stock (low quality)
chrome from Nan Chang to good quality chrome from local
factories (Yung Le) and also excellent quality chrome
from the best chroming factories (Fu Hao) in Beijing.
Fu Hao is the factory that provides chroming service
for all the top end CJ’s built in Beijing.
you have to be careful of when order a Premium type
restoration is that the builder might mix in stock chrome
with excellent quality chrome to cut cost.
polished engines not as good as the original textured
aluminum engines look much nicer, and they do require
maintenance to keep their shine. Technically the reduction
of surface area does slow down the rate of heat dissipation
of the motor. The surface of the engine block is only
a small component to the dissipation of heat. Most of
the heat in the engine is at the end of the pistons
where the combustion happens and the fins there dissipate
much of the heat. Big Bill's Bikes has polished many engines and
have also chromed engines and has not had any problems
with overheating. There are also other factors that
effect heating such as valves and gas to air mixture,
and how one rides his Chang Jiang 750 sidecar. How well
the polished engine keeps its polished shine depends
on the workmanship of the polishing and also the metallurgy
of the engine. Check out our accessories for close up
pictures of our detailed polishing. We have very high
quality polishing, at very competitive pricing. We have
2 grades of polishing for our customers to choose from.
very important point about high grade polishing. If
any chemical or water is used to clean a polished engine
it will immediately start to tarnish. Polished engine
requires extra maintenance to keep its shine.
old parts better than new parts?
the quality depends on the parts you get. There is much
nostalgia to old parts however lets not forget the cottage
industry of the 50s, 60s, 70s, and the Russian writer
and economist Lysanko’s influence in revolutionizing
the planned economy, the great leap forward. Take aside
the nostalgia and baseless Bullshit that a dealer makes;
in reality we have seen good quality and poor quality
with PLA NOS parts and also new parts. Actually with
many of the parts you never really know what is old
or not unless you actually bought the part first hand
install it and let it run. Importantly in Beijing is
that prices are the same for new parts or PLA NOS parts.
is important is that your shop uses good quality parts
and some of these parts it is almost impossible to tell
untill installed and tried. Most of the parts in Beijing
are from PLA military storage and there are loads of
new old stock parts around and they cost the same or
in many times even cheaper than new parts. Old parts
(NOS) are very common and is available in all the local
Chang Jiang 750 shops, it is so common most people don’t
even take notice of it or differentiate so the prices
are all the same. As long as the part is good it should
work properly no matter if it is old or new.
their many old Chang Jiang 750 sidecars and parts in
there are, especially at the end of the year when the
military unloads their storage of Chang Jiang 750 sidecars.
The military unloads these Chang Jiang 750 sidecars
as surplus, depending on who you buy from and when you
buy them, they normally cost a few hundred U.S. dollars
to purchase. There are many old Chang Jiang 750 around
and every year we put together about a dozen of the
1960s Chang Jiangs M72. Chang Jiang 750 sidecars are
not going to be extinct and as a matter of fact, every
year there are more old Chang Jiang 750 sidecars coming
on to the market. If someone tells you that PLA stock
is hard to find, or that they are the only ones to have
something, or that they are they have rights to PLA
stock, or that something is extremely old and hard to
get you better check around and come talk to us.
Are PLA bike stronger?
depends on how does one measure stronger. Older PLA
Chang Jiang 750 sidecars have some differences in some
aspects than civilian Chang Jiang 750 such as 6v engine
and no reverse gear, in a few cases the bucket may be
made with thicker metal, older fenders may be made with
thicker metal. However there are also many military
sidecars that have been converted for civilian use and
also many military issues parts are sold in the market,
so the quality of those civilian CJ 750 are the same
quality of the PLA issued CJ 750. The PLA Chang Jiang
750 sidecar with 6 volt engine will have a battery holder
behind the transmission, 6V engine, no reverse gear
transmission, and a few other small differences. We
have also seen many civilian Chang Jiang 750 with the
same type of frame and details. Overall, both civilian
and military Chang Jiang 750 sidecars are almost identical.
Almost all exports CJ 750 sidecars are PLA Chang Jiang
750 because civilian CJ750 sidecars have documentation
and plates which have a residual value and PLA CJ 750
sidecar are much less expensive to purchase.
of the older 12V engines converted from 6V engines because
you can get 6V engines in the junk yard and upgrade
them for about 1,000RMB where as a new 12V engine is
here to read about why most export Chang Jiang 750 are
is the major difference between a "new" Chang
Jiang 750 and a rebuilt Chang Jiang 750?
differences on a Chang Jiang 750 depend on who you buy
your Chang Jiang 750 from. There is no such thing as
a totally new Chang Jiang 750. The Chang Jiang factory
is no longer in operations however there are aftermarket
manufacturers that put new Chang Jiang 750 sidecars
together. Most of the new Hong Yang's are rebuilt military
Chang Jiang 750 sidecars. For buyers in Beijing we have
both "new” Chang Jiang 750 from Nan Chang
and also Hong Yangs which are rebuilt from PLA stock
available at list price of only 18,000RMB to include
Beijing “Jing” A licenses.
export we suggest that you purchase only a rebuilt CJ750
and not a “factory” CJ750. Most shops that
rebuild CJ750 s will pay more attention to the details
and also some will test ride the CJs before they send
it out. Many of the “new” CJ750’s
are assembled from refurbished used and old parts with
little effort to control quality.
a rebuilt Chang Jiang 750 better than a new Chang Jiang
depends on where you get your Chang Jiang. The reason
that some of the “new” Chang Jiang 750s
are poorly put together is that the factory will never
see the end user and they also leave the factory without
being road tested.
dealer that gets the new Chang Jiang will most likely
not take it apart again so some unfortunate buyer of
a new Chang Jiang 750 sidecar might get a poorly slapped
together lemon. If you get a locally assembled Chang
Jiang 750, the dealer will most likely spend some time
ensuring that everything is put together properly. There
are some dealers that even just put some pinstripes
on their "new" Chang Jiang 750, add some clear
coat and call it a custom paint job.
of Big Bill's Bikes’s clients will customized their Chang Jiang
750 from a 97 Chang Jiang 750 and for export Big Bill's Bikes clients
will get a sidecar rebuilt from PLA stock. Check out
our process page to see details. Zhang has been customizing
Chang Jiang 750 sidecars for close to 20 years. All
of Big Bill's Bikes’s Chang Jiang 750 sidecars are test ridden
to ensure that everything is at its best performance
before the customer gets the keys.
do some shops only want to sell me stock Chang Jiang
750 or new Chang Jiang 750?
dealers do not want to spend time or have the resources
rebuilding a pre-owned Chang Jiang 750 and customizing
them aside from the paint job. Even then there are a
few shops that will just put some clear coating on and
claim it to be a new paint job. They can sell you a
stock CJ750 and make over a thousand U.S.D dollars with
no work. Why buy an average bike that’s been slapped
together from a second party when you can get one that
has been put together with care and attention to detail?.
You can buy an excellent, personally customized CJ750,
at a better value from Big Bill's Bikes and importantly with Beijing
plates. Also in Beijing, some of the bigger shops are
not in a convenient location so if you get a Chang Jiang
750 from them, you will most likely have to choose a
shop closer to home for repairs, why not just buy it
from a shop that will actually maintain your Chang Jiang
750 for you.
do some shops want to sell me a Chang Jiang 750 with
yellow Hebei plates?
whole can of worms here. Hebei plates are mostly fakes
or are illegally registered. A shop will sell you a
reconditioned Chang Jiang 750 or a “factory”
Chang Jiang 750 without proper documentations basically
to make more money. Also, they save themselves the trouble
of having to register the Chang Jiang 750 for you. It
is illegal to buy and ride
a Chang Jiang 750 with fake plates. These fake plates
have no proper documentation and may be for a questionable
source. A Chang Jiang 750 with legal plates in Beijing,
list price (suggested retail) is only 18,000RMB with
all documentation and insurance. There is absolutely
no reason to buy a CJ750 with fake Hebei plates. Read
our “Owning a CJ in Beijing” for more information.
You put yourself at legal and financial risk when you
buy an illegally registered CJ750.
CJ750 sidecars without legal plates or documents are
from unknown origins and may be quite questionable about
how it was obtained. You risk financial liability and
legal liability riding a Chang Jiang 750 with fake plates.
Stay away from them and get a legal Chang Jiang 750.
Protect yourself with insurance. Importantly check out
the prices… there is no reason you should have
Hebei plates on your CJ 750 when there are fully legal
Chang Jiang 750 available and most likely at the same
or less expensive price.
you own an illegally licensed Chang Jiang 750 bring
it back to the dealer. If you get into an accident the
dealer is 100% responsible so make sure you get a document
from him that he sold you the sidecar. If you are held
financially accountable just bring the police to the
dealer and let him take care of it. It is not worth
the liability to own an illegally registered or Hebei
plate Chang Jiang 750 especially with all the bad traffic,
crazy drivers, blind people on bicycles, and deaf pedestrians.
"Chinese" bearings bad?
none of the bearings made in China have problems. Cost
is a major factor for not using imported bearings. Actually
many of these "imported bearings" are made
in China for export. The bearings for the triple tree
mount is 5 USD for Chinese bearings. For a set of German
BMW tapered bearings, they are 70 USD and require permanent
modification to install. Most Chang Jiang 750 buyers
will opt for the less expensive option. Engine bearings
and wheel bearings are not as expensive, about 10 USD
each so those are quite common on Chang Jiang 750 sidecars.
Most of the Chang Jiang 750 riders we know say that
they do not find a major performance difference after
installing the German bearings. If you have a very hard
impact with alloy wheels, whether it’s a Chinese,
German or Japanese bearing, it is most likely going
to be damaged. Big Bill's Bikes often uses German NSK
or SKF bearings for the engines, and wheel bearings
on request and for mostly for export. Check on prices
for installation of imported bearings. It is not as
expensive or as uncommon some dealer claim.
it true that the local bikers in Beijing do not use
yes, most bikers in Beijing prefer the 12v engines.
Many of the local bikers ride their Chang Jiang 750
in very adverse conditions and find it troublesome to
have to get on and off their Chang Jiang 750 to restart
their engine, especially when going up hill or in wet
muddy roads. Many of the 12v engines are converted from
6v by adding the front section on for the alternator
and distributor. The starter goes on top where the 6v
generator use to be and you get a 12v Chang Jiang 750.
We can tell you a list of foreigners that find their
6v a pain and converted it to 12v.
convert a 6v to a 12v normally cost about 1,500RMB.
Many of the old 12v engines are converted from 6v engines
so its basically the same engine.
6v engines better than 12v engines?
one cannot compare oranges to apples though it is still
a fruit and that is a very broad and subjective statement.
Actually, many of the older 12v engines are converted
from 6v engines. A dealer will like to sell 6v engines
because there are heaps of them lying around and can
be bought by weight thus….more profit. After riding
for over many years and also with our friends that have
been riding for over 20 years we have not yet found
any evidence or facts to prove that a 6v engine is better
than a 12v engine. What does make a big difference in
reliability and quality is who actually built your engine.
there a difference in performance between 6v and 12v
from nostalgic reasons there are no technological reasons
the 6v is any better than the 12v or vice versa. They
are two different styles of engines that are very similar
and each has its own selling points. Big Bill's Bikes has access
to an inventory of over 30 never used new 6v engines
from 1972 with transmission and rear drive. Any buyers
interested in low mileage used 6v engines please let
us know because we have heaps of them available. We
have seen both engines work and fail. The main difference
is 2 hp, however in actual performance each CJ750 is
different and would be hard to compare.
6v engines more reliable?
is no basis for that statement though an extremely small
amount of people claim it, actually many older 12v engines
are converted from a 6v engines. How reliable your engine
is depends on who put it together, if it is broken in
properly and how well you maintain it. We have seen
good engines and bad engines. If the 6v engine is so
reliable why are there so many of them lying around
and not being used? It basically comes down to nostalgia
for those wanting an old 6V engine.
32 hp engines better?
terms of performance, YES
In terms of acceleration, YES
In terms of top speed, YES
In terms of hauling weight, YES
In terms of gas efficiency, YES
In terms of less overheating, YES
In terms of aesthetics, that is subjective and depends
on the owner preference.
are the disadvantages of a 32hp engine?
engine is much larger thus there is much less foot room
on the right side. To properly install a 32 hp engine
in a sidecar motorcycle, the cooling fins need to be
filed down next to the sidecar frame. If you already
own one, make sure the cooling fins are not touching
the frame. We have seen quite a few 32 hp installed
improperly with that problem. A 32hp engine is bit more
complex to fix, however it is still a very basic engine.
Overall there is not any real disadvantages to going
with a 32 hp engine. For our long distance trips, we
recommend using 32hp engines. When performance and power
are needed, to accelerate pass trucks, going up hills,
better power you will be much happier with the 32 hp.
Also, 32 hp engines tend to run much cooler, burn less
oil, use less gas.
all our long distance trips we prefer to use the 32hp
engine for the following reasons: better
gas mileage, more power, less over heating, faster acceleration,
higher top speed, hauls more weight with less stress,
burns less oil. On our long distance trips we cruise
at 90km/h over extended periods of time and usually
at that speed our 24hp engines are very stressed especially
if we are traveling on mountain roads.
have seen some 32 hp OHV 6v engines, are they any good?
have seen a few of those engines around (poor suckers
that bought them). When we took it apart to fix them,
and found that they were 32 OHV 12v engines modified
to be 6v. This is done by removing the front part of
the engine, some welding to the front of the crank shaft
to install the distributor, remove the starter and install
a generator on top. The unfortunate foreigner paid over
2,000 USD for such an engine because he thought that
he was getting a limited edition genuine collector’s
engine. There was a few of those 6v 32hp OHV engines
made by the factory as samples, however it was never
sold on the market. If someone is offering you one of
these engines, our recommendation is to double check
with a reputable CJ750 shop. You can bring it to us
for an inspection to see if it is modified from a 12v
engine. For the cost of a few beers, I am sure any of
the local shops can do such a modification too and save
you lots of money. Why would anyone want to pay a few
thousand USD for a 32hp ohv 6v engine when they can
get a new 32 hp 12v engine for 500 USD? Do the math!
new engines poorly made?
all Chang Jiang 750 sidecar motorcycles are high maintenance
and do not have the precision of a new German or Japanese
motorcycle. If you get your Chang Jiang 750 from a reputable
dealer that actually works on the Chang Jiang 750 themselves
there should be no problems that can't be fixed. Some
of the new engines are pressed and molded, the older
engines are machine milled and even some much older
engines that are hand milled. Some people have nostalgic
preferences to old things and for some reason people's
rational gets out of tune and mix intrinsic values with
instrumental values. We have seen both good and poor
quality in new and old engines. If you live in Beijing,
it is easy to have an engine rebuilt. It should cost
no more than 1,500 RMB to have everything replaced in
the engine (pistons, rings, crankshaft, bearings, valves,
really is important for you to have a good engine is
patience in breaking in your new engine properly, and
having it tuned properly, and using good motoroil.
are four (4) different color engine plates on the side
blue tag: Nan Fang Dong Lei machine factory
Black tag: Chang Jiang Dong Lei machine factory
Red tag: Lehe Jie Xie machine factory
Dark blue tag: ChangZhou Done Lie machine factory
red tag engine for Lehe Machine Factory are now extinct
because the factory no longer exist and are only found
on 6v engines. Most of the shops in Beijing say that
the light blue tag engines from Nan Fang is usually
the performance of a Chang Jiang 750 sidecar motorcycle
Chang Jiang 750 is a very old design. It is to be ridden
at a leisurely pace. Every Chang Jiang 750 is different.
Even the same Chang Jiang 750, can feel different on
different days. And even on the same day, during the
first five minutes of a ride, and after an hour riding
the CJ. Chang Jiang 750 riders need to get to know and
understand their CJ, as they all have different personalities.
Treat the Chang Jiang 750 as you would a girl friend,
it needs to be understood, pampered and taken care of.
do I get the best performance from my Chang Jiang 750?
it in properly. Keep it well oiled, timing correct,
valves adjusted properly, points set and spark plugs
all checked. Get the high performance carburetors or
new CV carburetors and 3 ring pistons and you will find
your bike performing much better, more responsive and
faster. Make sure the pitch and angle of the Sidecar
to the main bike frame is correct or you will not get
I take the sidecar off and ride it as a solo?
for Chang Jiang 750 owners that want to take their sidecar
off we recommend keeping the battery on the side, and
using quick release electrical plugs, and racing tires.
It takes about 10 minutes to remove the sidecar.
Do note that solo Chang Jiang 750 is head heavy and
the frame flexes a lot. It is a “plunger”
frame, and they take some getting used to. Remember
that the Chang Jiang 750 is 1930s technology and treat
it accordingly and you will enjoy your ride. It is advisable
to not lean too deep into turns and also to use alloy
by Chang Jiang 750 riders for Chang Jiang 750 riders!