1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 190Get this manual
CRANKSHAFT ITRANSMISSION Install the rear shift fork into the M3 shifter gear groove with itsHB3L" mark fac ing upInstall the center shift fork into the C4 shifter gear groove with its "HB3C" mark fa cing upInstall the front shift fork into the counter shifter groove with its "HB3R" mark facing upMake sure all of the sh ift fork pins are aligned with the grooves in the shift drum nsta ll the shift fork shaft Assemble the main shaftcountershaft and shift drum "HB3R" MARKHB3C" MARK "HB3L" MARK