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Cam timing specs


INTAKE CAMSHAft 109deg =OPEN(BTDC)33DEG
=CLOSE(ABDC)71 DEG
EXHAUST CAMSHAFT: 108DEG
OPEN(BBDC) 70 DEG
CLOSE (ATDC) 34 DEG
OVERLAP:67 DEG
06 APEX MODELS

ITS THE RIGHT WAY!!!!!!!!!!!!! ;)!
 
cams

Jay the one that I looked at was:
intake 230 duration 105 lobe center
exhaust 231 duration 99.5 lobe center
measured at .050 valve lift

I don't know what yamaha says.
 
FACTORY SPECS.......all factory specs of snowmobile i have......i 'm connected in factory..............................
 


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