piston size

derekb_55

Member
Feb 8, 2001
121
0
Does anyone know the measurement of a new OEM piston for a 2001 CR 250?

If I am rebuilding the engine with a new cylinder and plan on using a wiseco piston (66.40) theres no way it will be too big for the new cylinder is there?
 
Last edited:

IrishEKU

A General PITA.
LIFETIME SPONSOR
Apr 21, 2002
3,806
0
Nope that is the OEM size.

Phillip
 
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