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8
4. Install the fuel tank cap.
To install the panel
1. Remove the fuel tank cap.
2. Place the panel over the fuel tank filler tube, and then install the fuel tank cap.
3. Install the bolts and quick fasteners.
4. Install the seat.
Panels B and C
When removing or installing panel C, the drive se-
lect lever must be moved out of the park position.
Apply the brake pedal and move the drive select
lever to the reverse position. To remove a panel
1. Remove panel A.
2. Pull the panel upward to release the tabs as
shown.
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8-13
8To install a panel
1. Push the panel to secure the tabs.
2. Install panel A. Panel D
To remove the panel
Remove the bolts, and then take the panel off.
To install the panelPlace the panel in the original position, and then
install the bolts.
Panel E
To remove the panelPull outward on the areas shown to release the
projections, and then slide the panel out.1. Bolt
2. Panel D
1
2
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8
To install the panel
Insert the right side of the panel into position, and
then press the projections into place. Panel F
To remove the panel
1. Remove panels B and C.
2. Remove the cover.
For YFM45KPXK / YFM45KPHK /
YFM45KPLK: Remove the handlebar-
mounted light cover. (See page 8-58.)
For YFM45KDXK / YFM45KDHK: Remove
the handlebar cover.
YFM45KPXK / YFM45KPHK / YFM45KPLK1. Handlebar-mounted light cover
1
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8-15
8YFM45KDXK / YFM45KDHK
3. Remove the carrier top bolts. 4. Remove the carrier bolts under the fenders,
and then take the carrier off.
1. Handlebar cover
1
1. Carrier bolt (top)
2. Panel F
1
1
1
2
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8
5. Remove the quick fasteners. 6. Lift up the panel and disconnect the coupler.
1. Carrier bolt (under the fenders)
1. Carrier bolt (under the fenders)
1
1
1. Quick fastener
1. Coupler
1
1
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8-17
8To install the panel
1. Connect the coupler, and then place the pan-
el in the original position.
2. Install the quick fasteners.
3. Place the carrier in the original position, and then install the carrier bolts under the fenders.
4. Install the carrier top bolts, and then tighten all bolts to the specified torques. 5. Install the cover.
For YFM45KPXK / YFM45KPHK /
YFM45KPLK: Install the handlebar-mount-
ed light cover.
For YFM45KDXK / YFM45KDHK: Install
the handlebar cover.
6. Install the panels.
EBU23215Checking the spark plugThe spark plug is an important engine component,
which is easy to check. Since heat and deposits
will cause any spark plug to slowly erode, the
spark plug should be removed and checked in ac-
cordance with the periodic maintenance and lubri-
cation chart. In addition, the condition of the spark
plug can reveal the condition of the engine.
To remove the spark plug 1. Remove the spark plug cap.
Tightening torques: Carrier bolt (top):34 N·m (3.4 kgf·m, 25 lb·ft)
Carrier bolt (under fenders): 7 N·m (0.7 kgf·m, 5.2 lb·ft)
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8
2. Remove the spark plug as shown, with the
spark plug wrench included in the tool kit. To check the spark plug
1. Check that the porcelain insulator around the center electrode of the spark plug is a medi-
um-to-light tan (the ideal color when the ATV
is ridden normally).
TIPIf the spark plug shows a distinctly different color,
the engine could be operating improperly. Do not
attempt to diagnose such problems yourself. In-
stead, have a Yamaha dealer check the ATV. 2. Check the spark plug for electrode erosionand excessive carbon or other deposits, and
replace it if necessary.
3. Measure the spark plug gap with a wire thick- ness gauge and, if necessary, adjust the gap
to specification.
1. Spark plug cap
1. Spark plug wrench
11
Specified spark plug:NGK/DR7EA
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8To install the spark plug
1. Clean the surface of the spark plug gasket and its mating surface, and then wipe off any
grime from the spark plug threads.
2. Install the spark plug with the spark plug wrench, and then tighten it to the specified
torque.
TIPIf a torque wrench is not available when installing
the spark plug, a good estimate of the correct
torque is 1/4–1/2 turn past finger tight. However,
the spark plug should be tightened to the speci-
fied torque as soon as possible. 3. Install the spark plug cap.EBU30245Engine oil and oil filter cartridgeThe engine oil level should be checked before
each ride. In addition, the oil must be changed and
the oil filter cartridge replaced at the intervals
specified in the periodic maintenance chart.
To check the engine oil level1. Park the ATV on a level surface.
2. Remove panel E. (See page 8-10.)
3. Check the engine oil level on a cold engine.
1. Spark plug gapSpark plug gap: 0.6–0.7 mm (0.024–0.028 in)
Tightening torque:Spark plug:18 N·m (1.8 kgf·m, 13 lb·ft)
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