2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 74Get this manual

LUBRICATION SYSTEM
OIL PUMP
REMOVAL
Remove the clutch ou ter (page 10-7)Remove the following:three boltsoil pump
gasket two dowel pins

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