FUEL
CARBURETOR
4-11
3. Adjust:
9
Pilot screw (except for USA)
E
a
2. Measure:
9
Float height
a
Out of specification
→
Replace.
NOTE:
9
The float should be resting on the needle
valve, but not compressing it.
9
Take the measurement at the middle of
the float, opposite the side it pivots on.
Float height:
9.5 ~ 10.5 mm (0.37 ~ 0.41 in)
Adjustment steps:
8
Turn the pilot screw until is lightly
seated.
8
Turn the pilot screw out by the speci-
fied number of turns.
Pilot screw:
F15A:
1-1/4 ± 1/2 turns out
F9.9C/FT9.9D:
1-1/2 ± 1/2 turns out