1999-2004 Honda TRX400EX FourTrax Service Manual, Page 58Get this manual

LUBRICATION SYSTEM
DISASSEMBLY

Remove the two bolts and separate the pump base from the pump spacer
Remove the following:drive pinthrust washerinner rotorouter rotor

Separate the pump body from the pump spacerRemove the following:pumpshaftdrive pindowel pinsinner rotorouter rotor
SHAFT AND PIN

PUMP BODY

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