CAN-AM (BRP) Discussions about CAN-AM ATVs.

not sure on valve clearance

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Old Jun 8, 2003 | 09:39 PM
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01DS's Avatar
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Default not sure on valve clearance

i put my stage two on, and am adjusting the valves. My exhaust are .009 and my intake are .006. Is this an ok clearance, or do i need to get different shims?
 
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Old Jun 8, 2003 | 09:51 PM
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Default not sure on valve clearance

They gap should be .004 to .006
 
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Old Jun 8, 2003 | 11:04 PM
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Default not sure on valve clearance

Well
I am not sure how that works with new cams.. I know stock cams ar ewhat .005 -.007? I would like to know also, I am getting A1/A2 cams..
How does that effect clearance with different duration and lift?
 
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Old Jun 8, 2003 | 11:52 PM
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Default not sure on valve clearance

The A1/A2 cams call for .008 to .010 clearance according to the setup sheet.
 
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Old Jun 9, 2003 | 09:16 AM
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Default not sure on valve clearance

Error on the loose side until you are sure everything is working fine and you get it tuned. My Hotcams Stage II Raptor gave me fits when I was below .007, intake valves would "float" at anything over part throttle and screw up the vacuum to the carbs. I now have the lash set to .008, no problems.
 
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