2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 131Get this manual
CLUTCH Install new lock: washer
Apply engine oil 10 Ihe new lock nut threads and install itThe centrlfl.1gal cll.1tch ol.1ter lock nl.1t has left-hand threads
Hold the centrifugal clutch weight assembly with the special tool and tighten the lock nut to the specified torque