piston

[yellowbeard]

hey guys, looking at my piston, on the intake side on the top has COO82 on it is this the stock piston? It has alot of carbon still to come off, but so far is all I see. thanks Joe

[NINJA]

OK? What machine is this piston out of? Secondly, you can always tell if they're a wiseco because they'll have a little w underneath them, usually on the wrist pin reinforcement.

[yellowbeard]

250r, not sure what year, thanks Joe