1999-2002 TRX400EX Fourtrax Service Manual, Page 122Get this manual
CLUTCHGEARSHIFT LINKAGE
TROUBLESHOOTING
Clutch lever too hard Damaged, kinked or dirty clutch cable mproperly routed clutch cable Damaged clutch lifter mechanism Faulty clutch lifter plate bearing Clutch wi II not disengage or motorcycle creeps with clutch disengaged Too much clutch lever free play Warped clutch plates Faulty clutch lifter Improper oil viscosity or oil additive used Clutch slips No clutch lever free play Clutch lifter sticking Worn clutch discs Weak clutch springs Oil additive used Hard to shift mproper clutch operation Incorrect engine oil viscosity Incorrect clutch adjustment Bent or damaged gearshift spindle Damaged gearshift cam Bent fork shaft or damaged shift forks and shift dru (section 11) Transmissionjumps out of gear Broken shift drum stopper arm Weak or broken shift linkage return springs Worn or damaged gearshift cam Bentfork shaft or worn shift forks and shift dru (section 11) Worn gear dogs or slots (section 11)