2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 134Get this manual

FUEL SYSTEM ('04'05) Install new O-ring into the carburetor body groove
Install the top cover and tighten the four screw securely
Install the air vent hoses

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