Yamaha PW50W 2007 Service Manual page 148

3
2
1
CARBURETOR
2. Install:
9 Needle valve 1
9 Float 2
2
9 Float pin 3
1
NOTE:
Install the float pin as shown.
3. Measure:
9 Float height a
Out of specification → Replace the needle
valve and the float
a
MMMMMMMMMMMMMMMMMMMMMMM
a. Hold the carburetor in an upside down
position.
b. Measure the distance between the mating
surface of the float chamber and top of the
float using a vernier calipers.
NOTE:
The float arm should be resting on the needle
valve, but not compressing the needle valve.
c. If the float height is not within specifica-
tion, replace the needle valve and float.
LLLLLLLLLLLLLLLLLLLLLLL
4. Install:
9 Float chamber gasket 1
9 Float chamber 2
5. Install:
9 Throttle screw set 1
1
6-7
CARB
Float height
15.5-17.5 mm (0.61-0.69 in)