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Raced a 1982 1000J superbike 2013 04 Dec 2013 11:02 #614768

  • darlington
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  • S. Darlington
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Last race season went well. I improved each race except for the one in which I was hung over.During the first race weekend I discovered that I had the bike sitting too high. The swingarm is from a 1983 GPZ 750 with eccentric adjusters. I turned the adjusters around which raised the rear approx. 3/4" . The front forks are from a 82' GPZ 1100 which are about 1/4" longer than the J forks. I had the bike on scales and that's why I went the way I did. On the track the bike felt awkward. I decided to turn the adjusters to their stock position and drop the forks 1/2" in the triples. This made an immediate improvement. In my shop prior to the next race weekend I decided to have a close look at the fork internals. Race Tech doesn't recommend any spacer preload on there springs and the previous owner of the forks had 3/4" of spacer preload. I removed 1/2" of preload and this also made a big improvement. During the last race weekend I experienced two troubling issues. At Saint Eustache ,Quebec in whats called the bowl I hit the frame lug for the side stand. This moved the whole bike and for a spit second I thought I was going to go off the track. Out came the hack saw and off with the lug. Later that weekend while racing I felt the brake lever come back a little further. It only did this 3/4's into the race and as soon as I slowed down to come off the track the pressure was back to where it should be. Thank god I still had good brakes. The only thing I plan to do is rebuild the front master and work on the Cams. I will replace the stock exhaust cam (KZ 1100R .380" lift 300 Degrees duration) with a smaller 82' gpz 1100 cam and degree the cam so I will have better mid range.
specs
Motor; stock 1984 KZ 1100R w 120 HP at the crank
carbs 31mm Cr special Keihnin
lockhart oil cooler ( the bike was sponsored by lockhart in 1984
shocks ,fox
forks 1982 GPZ 1100 w race tech emulators/springs, reworked by myself to remove all the stanchion lower play.
Wheels,front astrolite 2.5x18, rear Dymag 4x 18"
Tires, Avons rear 150 front 110
brakes ,cast iron rotors all around. brembo 12" front, custom made rear,calipers lockheed front , VFR 750 rear
Pipe, yoshimura race 4 into 1
Ignition dyna 2000 with rev limiter built in
www.teamkz.ca
I build bikes for people if anyone would like something similiar.
Keeping the good times rolling since 1982. Helping people with parts ,technical support and service of the 70's 80's Kawasakis. Building road bike bikes for individuals involved in Vintage Road Racing in the eastern Ontario region.
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Last edit: by darlington.

Raced a 1982 1000J superbike 2013 17 Dec 2013 03:33 #615698

  • Puffin
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Thats great Darlington, thanks for the extra photos and the specs B)
Keep us posted on development and race results ;)
KZ1000 J Long Term Owner

KZ1100

KZ1100 Spectre project

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Raced a 1982 1000J superbike 2013 13 Jan 2014 13:32 #618455

  • rstnick
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Looks great Steve.
Hope to make it out to a track this year.
Maybe I'll see you at Mosport again.

Rob
Rob
CANADA

Need a key for your Kawasaki? PM me

1978 KZ650 C2, 130K kms, Delkevic ex, EI, CVK32, PMC easy clutch, ATK fork brace, steering damper, braced swingarm, 18" Z1R front wheel.
2000 ZRX1100
2011 Ninja 250R
2005 z750s

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Raced a 1982 1000J superbike 2013 21 Jan 2014 03:45 #619398

  • z19OO
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Nice to see the bike back where it belongs!!

Is there a reason why you removed the fork brace?
1975 z1 900
1979 kz650b

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