Inspection - Yamaha YFM250XL(C) Service Manual

5
CARBURETOR
7.Remove:
Cover (coasting enricher) 1
Spring 2
Diaphragm 3
8.Remove:
Starter plunger 1

INSPECTION

1.Inspect:
Carburetor body
Starter jet 1
Float chamber
Cracks/damage → Replace.
Fuel passage
Contamination → Clean as indicated.
Fuel chamber body
Contamination → Clean.
*********************************
Cleaning steps:
Wash the carburetor in a petroleum based
solvent.
(Do not use any caustic carburetor clean-
ing solution.)
Blow out all of the passages and jets with
compressed air.
*********************************
2.Inspect:
Valve seat 1
Needle valve 2
O-ring 3
Contamination/wear/damage → Replace
as a set.
NOTE:
Always replace the needle valve and valve
seat as a set.
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CARB