Big KZ mix n match questions

I'm new to the big KZ's, just picked up a project and could use some advice, is there a thread on what will interchange and what won't? I do know there are some differences, (bathtub head, late engines using silent cam chains, the 1100's having an 18mm wrist pin)

What I have, 83 KZ1100 Engine Disassembled, the bike is set up for Chain drive using Suzuki Bandit 1200 swing arm and wheel and currently has a KZ1000 chain drive engine, Do I use the transmission from the 1000 or do I use the crank and top end from the 1100 in the 1000 cases? to build a chain drive 1100

You are best using everything from the 83 1100 .assuming it's a Unitrack.
Everything including the gearbox is better.
I presume the 1000 motor is the later ( no kickstart ) J type and will it accept the 1100 parts easily.
If the 1000 motor is the earlier kick start type then virtually no parts will interchange without modification .

zed1015 wrote: You are best using everything from the 83 1100 .assuming it's a Unitrack.
Everything including the gearbox is better.
I presume the 1000 motor is the later ( no kickstart ) J type and will it accept the 1100 parts easily.
If the 1000 motor is the earlier kick start type then virtually no parts will interchange without modification .

Thanks Zed, yes the 1000 is a no kickstart engine. The 83 1100 is a twin shock bike, does this make a difference?

Joe

If it's a twin shock it's probably a B2 which is basically a bored out 1000 and most parts are the same but it could be an 1100r which used the uni motor.
Pics or engine numbers will aid positive identification.

zed1015 wrote: If it's a twin shock it's probably a B2 which is basically a bored out 1000 and most parts are the same but it could be an 1100r which used the uni motor.
Pics or engine numbers will aid positive identification.

I'ts possible that I wasn't clear enough on what I have and am wanting to do. The project is based on an '83 KZ1100 shaft drive bike, (I'm still working out Kawasaki's model designations), think UMJ with shaft drive, the 1100 engine is apart, the bike currently has the non kickstart 1000 mocked up in it, out of these two engines, I want to build a chain drive 1100. Can I do this with what I have, or am I missing something?

Thanks Joe

If you are proposing to convert a shaft drive frame to chain drive, you might as well shoot yourself now and be done with it.

Here is one----

www.kzrider.com/forum/11-projects/516244...version?limitstart=0

TexasKZ wrote: If you are proposing to convert a shaft drive frame to chain drive, you might as well shoot yourself now and be done with it.

Arn't you just a bright ray of sunshine... :silly: Frame is already converted using Suzuki Bandit 1200 swingarm and wheel, swingarm has had tabs added for the twin shocks, soo there won't be any shooting today. From the thread you posted, the way he went about it, it looks fairly easy as well...

Cheers Beers n Gearz, Joe

Motoracer838 wrote:

zed1015 wrote: If it's a twin shock it's probably a B2 which is basically a bored out 1000 and most parts are the same but it could be an 1100r which used the uni motor.
Pics or engine numbers will aid positive identification.

I'ts possible that I wasn't clear enough on what I have and am wanting to do. The project is based on an '83 KZ1100 shaft drive bike, (I'm still working out Kawasaki's model designations), think UMJ with shaft drive, the 1100 engine is apart, the bike currently has the non kickstart 1000 mocked up in it, out of these two engines, I want to build a chain drive 1100. Can I do this with what I have, or am I missing something?

Thanks Joe

Ah! ok. Should be a simple job of using the 1000 gearbox with the 1100 crank and top end in the 1000 cases.
1100 shafty used the J motor as a basis so should have the same 17mm pins and you MAY have a choice of cranks.
The later 1100 shaft also used the uni style twin swirl head but with shim on top retainers so you would want to use that as well if it is what you have.

Thanks Zed, it helps knowing I'm on the right track.

Joe

Another question, will GPZ cams make a "noticeable" bump in power, will I feel it on the "seat of the pants dyno"???

Joe

It's the Unitrack cams that make the most difference.
These made around 120 hp whereas the others were around 100.
The 1100 shafty cams will be fairly mild similar to the 1000 ones but you can still get a strong motor with the parts you have if it's put together right with decent carbs and pipe.