"Anyone have any idea why my M
"Anyone have any idea why my MD3 backfires when I try to start it.Recently had some work by a mechanic,had the head off to clean out the water jacket because of a cooling prob.Worked fine before.Mechanic doesn't know.Any advise much appreciated"
"Anyone have any idea why my MD3 backfires when I try to start it.Recently had some work by a mechanic,had the head off to clean out the water jacket because of a cooling prob.Worked fine before.Mechanic doesn't know.Any advise much appreciated"