2004-2005 Honda TRX450R Factory Sevice Manual, Page 195Get this manual

12CRANKCASETRANSMISSIONCRANKSHAFTBALANCER
SYSTEM COMPONENTS SERVICE INFORMATION

TRANSMISSION 1213 CRANKSHAFT 12-17 CRANKCASE BEARING12-20 CRANKCASE ASSEMBLY 12-24

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