Float Height Inspection; Fuel Passage Inspection; Valve Seat Inspection - Yamaha EF1000 Service Manual

Grooved wear
3-31
•llllull
CARBURETOR
ENG
B
FLOAT HEIGHT INSPECTION
1. Measure:
•Float height
NOTE: --------------------------
Place the carburetor in an inverted position
for measurement.
Lift up the float so that the tip of the float
valve lightly contacts the float arm, and mea-
sure the float height. (This measurement
should be made with the gasket removed.)
I~
Float height:
17
mm
(0.67 in)
FUEL PASSAGE INSPECTION
1. Inspect:
•Carburetor body
•Fuel passage
Contamination---+Ciean as indicated.
Carburetor cleaning steps:
• Wash carburetor in petroleum based sol-
vent. (Do not use any caustic carburetor
cleaning solution.)
• Blow out all passages and jets with com-
pressed air.
CAUTION:· - - - - - - - -
Never use a wire.
VALVE SEAT INSPECTION
1. Inspect:
•Valve seat
Damage/Wear---+Replace.
Contamination---+Ciean.