6-19
Fuel system
5. Check the needle valve. Replace if
deformed or worn.
6. Check the float. Replace if cracked or
deformed.
Assembling the carburetor
Do not reuse an O-ring or gasket, always
replace it with a new one.
1. Install the main nozzle a and main jet b.
2. Install the needle valve c, clip d, and
float e.
3. Install the float pin f to the specified
installation position a.
4. Install the spring g.
5. Measure the float height b. Adjust the
float height by bending the tab c if out of
specification.
When measuring the float height b hold the
carburetor body at angle of 45° so that there
is no load on the needle valve spring.
6. Install a new gasket h, the float chamber
i, a new O-ring j, and the drain screw
k.
a
b
Position a: 1.0 mm (0.04 in)
Float height b (reference data):
10.0 mm (0.4 in)
a
f
g
b
e
45°
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