OMR: '76 KZ900 Restoration/Modification

ZX7 Rear Sets Buffed out & Installed...

this thing is coming together very nicely.good job.

Just updating the counter & rear sprocket data...

As written previously, due to difficulties obtaining a 1/2, 18 tooth, 530 CC sprocket I re-grouped and went with the 630 configuration....

AmericanClassix.com
CC Sprocket:
OS15 - front sprocket 15-630 0.5 offset
Qty: 1 at $84.50

Z1 Enterprises.com (Thanks Jeff!)
Rear Sprocket & CC Washers/Spacers:
630 (JTR501 series) 37T Rear Sprocket
Quantity: 1 Product ID: TU24-9607 Price: $33.26

Front Sprocket Spacer Washer - 1.25mm
Quantity: 3 Product ID: SS-3 Price: $0.75

Here's how I measured, seems to have come out correctly.

KZ900 Stock Rim: 3.5" from center rim to inside sprocket.
ZX6RR Stock Rim: 4.25" from center rim to inside sprocket.

Subtract the differences = .75" = 19.05mm
subtract the offset 13.5mm = 5.55mm
subtract the 3 spacers at 1.25mm each = 1.8mm = .0709" =
< then 1/16"...

In measuring the sprockets to frame and tire I measure 1/2" spacing. I ordered a chain from Jeff at Z1 but won;t be here till next week. a 630 Chain - RK 102 link XW-ring

This will be the true and final confirmation to frame and tire and I'll post the results later.

Thanks Steell for turning me onto JT Sprockets... Mix and match the templates of different years, all is good!

Hope this may help others,

Thezx7 reasets look very nice. :woohoo: now u need to show us the other side.lol. what year are they? it looks like they are a direct bolt on.is that right?

what year are they?
Unknown, got out of a bike junk yard for $40... Buffed them out, look great.

It looks like they are a direct bolt on is that right?
No, had to do some minor fabrication. Once I figured out where I wanted them on the frame, I welded some matching bolts onto my frame then attached (screwed) on the coupling nuts you see in the image.

The beauty of this is I can now adjust any offsets due to the frame not being linear. Then mount the rearsets to the nuts, all better...

In the image they are painted but I have found these at Ace hardware in Chrome....

OMR

NICELY DONE OMR.NICELY DONE.
can i see the other side . can i ha , can i?:woohoo:
do u do your own welding and machining?

Glad you like!

"do u do your own welding and machining?"
Yes on all the welding and frame fabrication such as the rear shock mounts etc... Regarding the machining, all depends.

For the recent L.E.D. tail light mounts I did myself and I'm planning on a fabricating the rear hugger in buffed aluminum... It's a secret for the time being but it's going to be whacked if I can pull it off... For the headlight all depends on what light I end up with, still debating dual 5.25" or one huge 7"...

When it comes to cylinder boring, machining on the head such as the valve guides/seals, port & polish etc... then I'll leave that to the pros... for some things are out of my league and I want it done right, no boo-boos!

As can be reviewed in the image, I still have to obtain a coupling nut between the shift lever and shift lever clamp on the output shaft.


OMR

Looks great.be carfull that your bike does not fall off those stands. dont ask me how i know that can happen.:silly:

"careful that your bike does not fall off those stands"

That would so royally suck major ass... Obviously this happened you someone you know, a friend maybe (you)... That would piss me off beyond belief...

Time for the sledge hammer to come out and beat on something (non KZ) of course.

OMR

on the brite side ,u can look at the bike from a dif perspective.lol.:side:

That is one sweet looking Bike! I can't wait to see it done.

Just a little update on where I'm presently at...

Basically just getting all the pieces together still.

I'm still waiting on my engine cases, shift drum and shift forks from MRE. I spoke with them yesterday, should be shipping out today (another 4-5 days).

In the mean time, I have ordered from Dynoman my .365 CAMS (2 weeks for cut, grind and heat treatment) and have already received my Kerker with 1.5 baffle! I'm in love! What a friggin beautiful site, a brand spanking new Kerker. If the thing had a pair of breast I'd... Hmmm, I'll leave that one to your imaginations...ROFL!

I already have all the new timing components so once I get the CAM's (install the gears), head is off to Cavanaugh's. I'm having him replace all the guides and seals as well as the valve job and minor port & polish.

At which point all new oil seals in the bottom end, install the new APE heavy duty cylinder studs (measured lengths off old case), swap the crank (all good, no play in arms, bearings spin w/no friction), install the drive and output shafts, swap shift mechanism, spin and test tranny gearing and swap all other little do hickies attached to the lower case and start putting this beast back together. Brings a tear of joy to my eye... lol!

NOTE: Every freakin bolt will be torqued to specification...

With the head at Larry C., then I'll place the order for the Keihin 29mm. Based on others experiences, their knowledge and in speaking with the experts such as Buzz, Wired George and Larry C, 10015cc kit with mid .365 CAM's, a set of 29mm's is all that is needed and will provide the best set up for my configuration especially at the low to mid RPM range where you need it the most.

So hopefully by next month (with the KZ Gods help) I should be firing this ole girl up... After that all that will be left is the electronic ignition, speedometer and headlight and fine tuning the ole girl (carbs & suspension).

As always, images will be provided as I progress.

OMR