CRF50F Pop back
Posted: Tue May 02, 2006 12:56 pm
When the engine is at high idle in has a pop back thru the exhaust. It is real loud when your riding and suddenly back off the throttle.
Its not a back fire. I thought it was a tight exhaust valve but the clearance is .002 - .004
Its not a back fire. I thought it was a tight exhaust valve but the clearance is .002 - .004