1999-2002 TRX400EX Fourtrax Service Manual, Page 48Get this manual
MAINTENANCE
SPROCKET INSPECTION
Inspect the drive and driven sprocket teeth for damage or wearReplace if necessaryNever use worn chain on new sprocketsBoth chain and sprockets must be in good condition, or the new replacement parts wi II wear rapidlyCheck the attachment bolt and nuts on the drive and driven sprocketsI any are loose, torque them
DAMAGED
DRIVE CHAI SLIDER
Check the drive chain slider for wearReplace the chain slider if it is worn to the bottom of the wear limit grooveRefer to section 13for drive chain slider replacement
LIMIT GROOVE
BRAKE FLUID
CAUTION Do not mix different types of fluid, as they are not compatible with each other Do not allow foreign material to enter the system when filling the reservoir void spilling fluid on painted, plastic or rubber partsPlace rag over these parts whenever the system is serviced NOTE: When the fluid level is low, check the brake pads for wear (page 3-17)A low fluid level may be due to wear of the brake padsIfthe brake pads are worn, the caliper pistons are pushed out, and this accounts for low reservoir levelIf the brake pads are not worn and the fluid level is low, check entire system for leaks (page 3-17)