6-32
Vapor separator
0
1
2
3
4
5
6
7
8
9
10
A
Draining the fuel
1.
Drain the remained gasoline in the vapor
separator with a drain pan. Loosen the
drain screw
a
, and then remove the cap
b
. Push in the air valve with a screw-
driver.
2.
Tighten the drain screw
a
to the speci-
fied torque.
Checking the vacuum hose
1.
Check the vacuum hose. Replace the
vacuum hose if cracked or damaged.
Checking the fuel filter
1.
Check the fuel filter
a
. Replace the fuel
filter if there is dirt, residue, or external
damage.
Disassembling the vapor separator
1.
Remove the float pin
a
in the direction of
the arrow
a
.
2.
Remove the needle valve assembly and
other components. See exploded dia-
gram (6-29).
Checking the high-pressure fuel
pump
1.
Check the high-pressure fuel pump elec-
trical performance. See “Checking the
high-pressure fuel pump” (5-25).
Checking the vapor separator
1.
Place the cover assembly upside down,
and then measure the float height
a
.
TIP:
To measure the height of the float, it should
be resting on the needle valve. Do not press
the float.
Vapor separator drain screw
a
:
2 N·m (0.2 kgf·m, 1.5 ft·lb)
b
a
a
Float height
a
: 55.0–61.0 mm (2.2–2.4 in)
a
a
a
Summary of Contents for F150B
Page 1: ...SERVICE MANUAL 6BM 28197 5L 11 F150B FL150B ...
Page 4: ......
Page 211: ...6 34 Vapor separator 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 311: ...8 32 Shimming regular rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T1 T2 ...
Page 351: ...8 72 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T2 T4 T1 ...
Page 448: ...A 1 MEMO ...
Page 451: ......
Page 452: ...Printed in China Jul 2008 0 6 1 ABE E_4 YAMAHA MOTOR CO LTD ...
Page 458: ......