1997 Yamaha YFM600FWAK ATV Service Manual, Page 196Get this manual
CARBURETOR 1.Remove: Needle jet CD
ICARBIIiII
CARBURETOR DISASSEMBLY
Remove the needle jet towards the piston valve side
CARBURETOR INSPECTION
1.lnspect: Carburetor body Starter jet CD Float chamber Cracksdamage -j Replace Fuel passage Contamination -j Clean as indicated Fuel chamber body Contamination -j Clean