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Camshafts B1 vs A1/3 27 Dec 2021 20:28 #859698

Bozo
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Ride it like u stole it
Posts: 590
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I am using GPZ1100A1 to 3 model camshafts on my GPZ1100B1 Head. I have standard pistons, valves with APE springs. My Question is there any cam timing I have to do to use these camshafts. I just did an engine leak test and all four inlets are leaking and I want to make sure the cam timing is not the issue.

First Permanent ride the Z1R since Dec1977 (220,000km) as of June 2015
Second permanent bike 1989 FJ1200 dyno'd 140RWH, great bike.
Third ride is now the Frankenstein 1981 GPZ1100B1, getting new/ refurbished 83-84 motor soon
Forth my work bike FJ1200 1989 (same type as above)

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Camshafts B1 vs A1/3 28 Dec 2021 05:21 #859707

zed1015 Offline User Posts: 2899 Thank you received: 1459	The GPZ1100A cams are 110 degree lobe centers as stock which is the same as all the others so that shouldn't be the issue. AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS kzrider.com/forum/23-for-sale/611992-air-corrector-jets- The following user(s) said Thank You: Bozo
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Camshafts B1 vs A1/3 03 Jan 2022 01:39 #859964

577nitro Offline User Posts: 288 Thank you received: 55	Try lapping the valve seats, worked for me, no more leaks.
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Camshafts B1 vs A1/3 03 Jan 2022 08:59 #859975

daveo Offline Premium Member Posts: 2765 Thank you received: 630	Regarding 83-85 GPz camshaft use in KZ engines, consider the following post from one highly respected and sorely missed KZR forum member: kzrider.com/forum/2-engine/596933-can-i-...gine?start=24#661583 1982 KZ1100-A2
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