2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 192Get this manual
CRANKSHAFTITRANSMISSION COBI the shift fork shaft with engine oilInstall the fork 'hllft through the shift forks and into the left crankcase, SHIFTII 51H,
InSlaU the reverse idle gear 8S an IIssembly in10 the left crankcase aligning the pin with the cut-ou in
the left crankcase
Insttlll the C, gear and bushing on the ccu ntershaftInstall the washers on the cQunlershafl and reverse