1999-2004 Honda TRX400EX FourTrax Service Manual, Page 147Get this manual
CRANKCASETR ANSMISSIONCRANKSH AFT "
INSPECTION
GEARBUSHINGSHAFT
Check the gear dogs and teeth for abnormal wear or damageMeasure the gear I.D
SERVICE LIMITS: 25.08 mm (0.987 in1 M5: 25.06 mm (0.987 in) C1: 23.07 mm (0.908 in) C2, C3: 28.08 mm (1.106 in1
Measure the gear bushing O.D
SERVICE LIMITS: M4, M5: 24.90 mm (0.980 in1 C1: 22.90 mm 10.902 in1 C2c3: 27.94 mm (1.100 in1
Calculate the gear-to-bushing clearance
SERVICE LIMIT 0.10 mm (0.004 in)
Measure the gear bushing I.D
SERVICE LIMITS: 22.10 mm (0.870 in1 C1: 20.80 mm (0.791 in1 C2, C3: 25.06 mm (0.987 in1