2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 58Get this manual
MAINTENANCE
DRIVE CHAIN
CHAIN SLACK INSPECTION
Never mspeCi and adJUS The drive cham while (he engme IS runnrng
Turn the ignition switch to OFF and shift the transmission into neutralCheck the chain slack in the drive chain upper run midway between the sprockets
CHAIN SLACK: 3040 mm (1-1- 1-5 in )
ADJUSTMENT
Loosen Ihe ax le beari ng holder pi nch boltsTurn the bearing holder ntil he correct drive chain slack is obtained, using the hex wrench in th tool kitTighten the pinch boltsTORQUE: 21 (2.1 kgfm 15Ibfft) Recheck the drive chain slack and free wheel rotation If the chain slack is excessive when the bearing holder is turned fully rearward (the correct slack cannot be obtained)replace the drive chain with new one (page 4-15)