Yamaha F100D - Top cowling; Fuel system

CHK
ADJ
Periodic checks and adjustments
3-3
6D93G11
Top cowling
3
Checking the top cowling
1. Check the fitting by pushing the cowling
with both hands. Adjust if necessary.
2. Loosen the bolts
1
.
3. Move the hook
2
up or down slightly to
adjust its position.
NOTE:
• To loosen the fitting, move the hook in
direction
a
.
• To tighten the fitting, move the hook in
direction
b
.
4. Tighten the bolts.
5. Check the fitting again and, if necessary,
repeat steps 2–4.
Fuel system
3
Checking the fuel joint and fuel
hoses (fuel joint-to-fuel injector)
1. Remove the flywheel magnet cover.
2. Check the low-pressure fuel hose con-
nections and fuel joint for leaks. Replace
if necessary. Also, check the fuel filter
1
,
fuel pump
2
, strainer
3
, and fuel cooler
4
for leaks or deterioration. Replace if
necessary.
3. Check the high-pressure fuel hose con-
nections for leaks. Replace if necessary.
Also, check the vapor separator
5
, fuel
rail
6
, fuel injectors
7
, and pressure
regulator
8
for leaks or deterioration.
Replace if necessary.
Checking the fuel filter
1. Check the fuel filter element
1
for dirt
and residue and check the fuel filter cup
2
for foreign substances and cracks.
Clean the cup with straight gasoline and
replace the element if necessary.
NOTE:
Be sure not to spill any fuel when removing
the fuel filter cup.
S60C3010
S6D83010
b
a
1
2
S6D83020
7
3
2
1
6
4
5
8
2
1
S6D83030