2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 195Get this manual
CRAN KCASETRANSMISSIONCRANKSHAFT COUNTERSHAFT
C2 GEAR (34T) CR GEAR (34T) THRUST WASHER
SPLINE WASHER LOCK WASHER C3 BUSHING
THRUST WASHER
C4 GEAR (27T) CR BUSHING THRUST WASHER SPLINE WASHER C5 GEAR (25T) COUNTERS HAFT
SNAP RING
C1 BUSHING THRUST WASHER C1 GEAR (30T)