CARBURETOR AND REED VALVE
4 - 10
Float height a
Out of specification → Adjust.
18 ~ 20 mm (0.71 ~ 0.79 in)
Measurement and adjustment steps:
Hold the carburetor in an upside down
Measure the distance between the mating
surface of the float chamber and top of the
float using a vernier calipers.
The float arm should be resting on the nee-
dle valve, but not compressing the needle
If the float height is not within specification,
inspect the valve seat and needle valve.
If either is worn, replace them both.
If both are fine, adjust the float height by
bending the float tab b on the float.
Recheck the float height.
Damage → Replace.
Reed valve bending a
Out of limit → Replace.
Reed valve bending limit:
0.2 mm (0.008 in)