I dont think the noise in my bike is the power valve, i cant see any wear patterns indicating contact. Is it the gear teeth or the bearings that wear on the balance shaft, because the shaft itself should not be in contact with anything? I havent taken the shaft out, but i would presume that the gear...

yes, my mudguards are purple, and the side panels are yellow, why do you ask

thanks for the replies

the noise is low to mid rpm, and when the engine is under load.
it sounds like the noise some of the other guys are hearing.
what do you mean by balance shaft wear, in the gears, or the bearings?
i will check the balance shaft next time i have the engine apart

cheers

the oil consumption seems ok, but with an auto lube system, it is hard to tell. any other possibilities

hi guys, im new to this fourm i have a mk3 crm250 with 20'000km on the clock. i little while back the engine developed a 'knock' when engine speed is decreased, it sounded like piston slap, but the engine has not done alot of work, so i m not to sure about that. i talked to leisure trail uk and they...