compression

**Raptorider660R** · 10-02-2005, 06:18 PM

when i try to turn over my raptor there is to much compression then when i take the plug off it turns over perfectly wat could be the problem

**Specialist** · 10-02-2005, 07:01 PM

Your Valves aren't opening enough to allow the air out most likely. Adjust your valves and see where that takes you.

**Raptorider660R** · 10-02-2005, 07:19 PM

i did it with the cylinder head off

**Specialist** · 10-02-2005, 07:53 PM

You Adjusted your valves with the head off??

If yes then make sure ur timing is correct..

**Raptorider660R** · 10-03-2005, 06:43 PM

ok this is wat i did took apart engine built everything again then adjusted valves try to start raptor turns over a few times then it gets harder to turn over got to keep hitting start botton then i took the plug out turns over easily but then if i put the plug in it turns a few times then after that i have to use forceto turn it over

**TheRidinLife01** · 10-04-2005, 02:25 PM

timed wrong

**lzyga05** · 10-08-2005, 09:46 AM

yep prob ur timeing or ur messes up ur cam becuse rap cams have a auto decomp thing in them it only starts working when its low rps (very low)

**jared_scarboro** · 02-22-2006, 08:07 PM

i have the same exact problem right now need help

**lzyga05** · 02-22-2006, 08:08 PM

timeing!!!!!!! is of ... read the manual better

**jared_scarboro** · 02-22-2006, 08:10 PM

i checked the timming and its good!!!!!

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