1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 202Get this manual
CRANKSHAFTIBALANCERTRANSMI!SSION
TROUB SHiQOTING E
Crankshaft nolsv Worn cOMectin9 rod big end bearfng Bent oonnecting rod Worn cranksh aft bearing jumps out of gear Shift fork bent or damaged Shift fork shaft bent Shift fork claw bent Gear engagement dogs or slots worn