travis young wrote:Need advice, 05 CRF 450R valve clearance is .178 mm(very close) & .20 on the intake side, exhaust is .22mm on both valves. Plan on ordereing shim kit, but would like to ride this weekend practice moto track. am I to close to risk putting a few fairly easy hours on it. The bike only has around 20 hours on it total. Dont get to ride to often lattely & got to go when I get a chance. Bike starts & runs great, although I did foul a plug last time I rode it. Jetted for around 6,000' but was riding at around 9,000 ft altitude.
Bike starts & runs great,
won't have clearances like that.Bike starts & runs great,
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