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Kaw z1 cam timing

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bergerbut
L Plate Warrior



Joined: 25 Mar 2018
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PostPosted: 00:06 - 26 Mar 2018    Post subject: Kaw z1 cam timing Reply with quote
the intake cam was set at 27 pin count? stock setting is 28 from exhaust ,,, could this possible be a hotrod trick setup or definitely a mistake ?
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steve the grease
Crazy Courier



Joined: 26 Jan 2018
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PostPosted: 15:21 - 27 Mar 2018    Post subject: Re: Kaw z1 cam timing Reply with quote
bergerbut wrote:
the intake cam was set at 27 pin count? stock setting is 28 from exhaust ,,, could this possible be a hotrod trick setup or definitely a mistake ?


Valve overlap is usually symetrical , if you check the specs inlet opens ( so many degrees^)btdc and exh closes(^?) atdc is usually the same number of degrees. If you turn the engine over you should see at TDC* the exh closing and the inlet opening . If you carefully rock it back and to around TDC you would expect that the amount of opening and closing to be equal, either side of TDC . 99% chance it was set wrongly.


* TDC happens twice on a 4 stroke , once on compression and once "on the rock" top of the exh stroke.
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ZRX61
Victor Meldrew



Joined: 05 Nov 2003
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PostPosted: 06:19 - 01 Apr 2018    Post subject: Reply with quote
It's a mistake, set it to 28.
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