2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 139Get this manual
8FUEL SYSTEM (After '05)
SYSTEM COMPONENTS SERVICE INFORMATION TROUBLESHOOTING AIR CLEANER HOUSING CARBURETOR REMOVAL
8-2 8-3 8-5 8-6 8-7
CARBURETOR DISASSEMBLY CARBURETOR ASSEMBLY CARBURETOR INSTALLATION PILOT SCREW ADJUSTMENTHIGH ALTITUDE ADJUSTMENT