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View Full Version : valve specs on a crf 450????



step869
12-18-2007, 06:58 PM
i have a 2003 prp crf450/250r hybrid id like to check the valve clearance

does any1 know the valve specs on a 2003 honda crf 450

the service manual says 0.0012 intake
and 0.0012 exhaust

and the local honda dealer is telling me 0.0005 intake
and 0.0010-0.0012 exhaust

what are you hybrid owners running there @???????


thanks for the help

Colby@C&DRacing
12-19-2007, 09:13 AM
I would set them at .006 on the intake and .012 on the exhaust

step869
12-20-2007, 10:31 AM
ok i will give this a shot


i love this quad but i hate not being used to starting it