2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 193Get this manual
CRANKSHAFTITRANSMISSION If the crankshaft bearing remains on the crankshaft, remove it wit commercia lly available bea ring puller as shownIf the bearing remains in the left crankcase, drive it
outAlways repJace he left crankc8SS JeIIring with a
Discard the left crankcase bearing
1116 crankshaft Is
INSPECTION
CRANKSHAFT Measure the radial clearance at the connecting rod