Yamaha PW50W 2007, Service Manual, Page: 148 / 168

CARB
CARBURETOR
6-7
2. Install:
9
Needle valve
1
9
Float
2
9
Float pin
3
NOTE:
Install the float pin as shown.
2
1
3
a
3. Measure:
9
Float height
a
Out of specification
→
Replace the needle
valve and the float
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
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.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
Float height
15.5-17.5 mm (0.61-0.69 in)
4. Install:
9
Float chamber gasket
1
9
Float chamber
2
2
1
5. Install:
9
Throttle screw set
1
1
5PG-7-10 146 06.5.16, 17:44:58