1999-2002 TRX400EX Fourtrax Service Manual, Page 157Get this manual

CRANKCASETRANSMISSIONCRANKSHAFT
CRANKCASE ASSEMBLY
Clean the left and right crankcase mating surfaces thoroughly, being careful notto damage themInstall the dowel pins and new gasket
Make sure all the parts are installed in the left crankcaseInstallthe right crankcase over the left crankcase

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives