Checking The Vapor Separator; Adjusting The Float - Yamaha F50F Service Manual

FUEL
5. Remove the needle valve and other com-
ponents.

Checking the vapor separator

1. Check the needle valve for bends or
wear. Replace if necessary.
2. Check the float for deterioration. Replace
if necessary.
3. Check the filter for dirt or residue. Clean
if necessary.
4. Install the needle valve, float, and float
pin, and then check the float for smooth
operation.
NOTE:
• Do not reuse the float pin, always replace it
with a new one.
• Install the float pin in the direction of the
arrow a shown.
• Install the float pin with its tapered end
towards the punch mark b on the vapor
separator cover.
5. Check the float height c as shown.
Adjust the float height if out of specifica-
tion.
4-19
Fuel system
S6D54200
a
b
S6C14210
Float height c:
46.6 ± 1.0 mm (1.83 ± 0.04 in)
6. Check the float height d
Adjust the float height if out of specifica-
tion.
NOTE:
The float should be resting on the needle
valve, but not compressing it.
Float height d:
35.0 ± 1.0 mm (1.38 ± 0.04 in)

Adjusting the float

1. Adjust the stopper a of the float by
bending it until the float height b is within
specification.
as shown.
S6C14200
6C13G11