1976 KZ900-A4 OEM CAM Lift Duration???

  • Old Man Rock
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05 Jul 2008 08:12 #224212 by Old Man Rock
1976 KZ900-A4 OEM CAM Lift Duration??? was created by Old Man Rock
Hey all,

Researching which CAM's I want to go with and I can't for the life of me (Googled) nor in the Kawasaki Shop Manual find the cam lift duration specifications on the OEM camshafts...

Gears are 30 tooth sprocket with 122 link chain...

Anyone know?

I only want to use as a comparison... .365, .384, .395 or .410's. What to do, what to do...

Thanks,

Old Man Rock
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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05 Jul 2008 13:13 #224253 by martijn
Replied by martijn on topic 1976 KZ900-A4 OEM CAM Lift Duration???
exhaust 0.296 lift and 229 degrees
0.327 lift and 237 degrees intake

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05 Jul 2008 17:10 #224287 by PLUMMEN
Replied by PLUMMEN on topic 1976 KZ900-A4 OEM CAM Lift Duration???
any of them would be an improvement.just remember the bigger you get the more other weaknesses are going to show up.;)
Still recovering,some days are better than others.

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05 Jul 2008 22:06 #224332 by nads.com
Replied by nads.com on topic 1976 KZ900-A4 OEM CAM Lift Duration???
martijn wrote:

exhaust 0.296 lift and 229 degrees
0.327 lift and 237 degrees intake

at what valve height and what lash setting? Im not sure but though they had 280 at zero lash from ope to close. WEven more cnfsd nw.

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