1996-1998 Yamaha Factory Service Manual EXT1100U/V/W Exciter PN LIT-18616-01-53, Page 48Get this manual
FUEL SYSTEM
NEEDLE VALVE INSPECTION
1Inspect: Needle valve Valve seat Grooved wear ReplaceDust CleanNOTE: Always replace the needle valve and valve seat as set
JET AND CARBURETOR BODY INSPECTION
1Inspect: Main jet Pilot jet Carburetor body Contamination Clean
HI,GH AND LOW SPEED SCREWS INSPECTION