Yamaha F100X - Carburetor Assembly; Carburetor Inspection

4-16
FUEL
E
CARBURETOR
SERVICE POINTS
CAUTION:
Do not use a steel wire to clean the jets.
This may enlarge the jet diameters and
seriously affect performance.
Carburetor inspection
1. Inspect:
●
Carburetor body
Cracks/damage → Replace.
Contamination → Clean.
2. Inspect:
●
Pilot screw
Bends/wear → Replace.
3. Inspect:
● Main jet
● Pilot jet
Contamination → Clean.
4. Inspect:
● Needle valve
Grooved wear → Replace.
5. Inspect:
● Float
Cracks/damage → Replace.
Carburetor assembly
1. Install:
● Needle valve
● Float
● Float pin
NOTE:
● When installing the float into the carbure-
tor, place the needle valve into the needle
valve seat.
● After installation, make sure that the float
operates smoothly.