3-5
PERIODIC MAINTENANCE
3. Install:
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• Footboard
• Rear side cowling assembly
• Side cover
• Fuel tank cover assembly
• Center cover
Refer to “GENERAL CHASSIS (2)” on
page 4-11.
• Bottom center cowling
• Side panel
• Bottom side cowling
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
EAS30620
CHECKING THE SPARK PLUGS
The following procedure applies to all of the
spark plugs.
1. Remove:
• Bottom side cowling
• Side panel
• Radiator cover
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
2. Disconnect:
• Spark plug cap
3. Remove:
• Spark plug
ECA13320
Before removing the spark plugs, blow away
any dirt accumulated in the spark plug wells
with compressed air to prevent it from falling
into the cylinders.
4. Check:
• Spark plug type
Incorrect Change.
5. Check:
• Electrode “1”
Damage/wear Replace the spark plug.
• Insulator “2”
Abnormal color Replace the spark plug.
Normal color is medium-to-light tan.
6. Clean:
• Spark plug
(with a spark plug cleaner or wire brush)
7. Measure:
• Spark plug gap “a”
(with a wire thickness gauge)
Out of specification Regap.
8. Install:
• Spark plug
Before installing the spark plug, clean the spark
plug and gasket surface.
9. Connect:
• Spark plug cap
10.Install:
• Radiator cover
• Side panel
• Bottom side cowling
Refer to “GENERAL CHASSIS (1)” on
page 4-1.
EAS30622
ADJUSTING THE VALVE CLEARANCE
The following procedure applies to all of the
valves.
• Valve clearance adjustment should be made
on a cold engine, at room temperature.
• When the valve clearance is to be measured or
adjusted, the piston must be at top dead center
(TDC) on the compression stroke.
1. Remove:
• Bottom side cowling
• Side panel
• Radiator cover
• Bottom center cowling
• Refer to “GENERAL CHASSIS (1)” on
page 4-1.
Manufacturer/model
NGK/LMAR7G
Spark plug gap
0.7–0.8 mm (0.028–0.031 in)
Spark plug
13 N·m (1.3 kgf·m, 9.6 lb·ft)
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