Service Points - Yamaha F100A Wartungshandbuch

FUEL
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.
4-16
E