1999-2004 Honda TRX400EX FourTrax Service Manual, Page 137Get this manual
ALTERNATORlSTARTER CLUTCH Route the alternator wire properly (page 1-18)Connect the alternator connectorsInstall the seatlrear fender (page 2-21-
Install the starter idle gear shaft, gear and spacer in the left crankcase coverInstall the dowel pins and new gasket
Install the starter idle gear cover and tighten the four bolts securely