2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 227Get this manual
CARBURETOR
Job namePart name Pilot jet Pilot screw set Main jet Needle jet Starter jet Pilot air jet
Q'ty Remarks Refer to "CARBURETOR ASSEMBLY"1 Refer to "CARBURETOR DISASSEMBLYASSEMBLY"1 For assembly, reverse the disassembly procedure