Checking The Spark Plugs; Checking The Ignition Timing - Yamaha XVS1300A 2007 Service Manual

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
d. Tighten the locknut.
e. Slide the throttle cable holder to its original
position.
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L LLL L LLL L L LLL L
4. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
EAS20680

CHECKING THE SPARK PLUGS

The following procedure applies to all of the
spark plugs.
1. Remove:
• Front cylinder left cover
• Rear cylinder right cover
Refer to "ENGINE REMOVAL" on page 5-1.
2. Disconnect:
• Spark plug cap
3. Remove:
• Spark plug
ECA13320
CAUTION:
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.
Manufacturer/model
NGK/LMAR7A-9
5. Check:
• Electrode
Damage/wear → Replace the spark plug.
• Insulator
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)
email: info@motomatrix.co.uk
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2
a
b
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7. Measure:
• Spark plug gap "a"
(with a wire thickness gauge)
Out of specification → Regap.
Spark plug gap
0.8–0.9 mm (0.031–0.035 in)
8. Install:
• Spark plug
Spark plug
13 Nm (1.3 m·kg, 9.4 ft·lb)
NOTE:
Before installing the spark plug, clean the spark
plug and gasket surface.
9. Connect:
• Spark plug cap
10.Install:
• Rear cylinder right cover
• Front cylinder left cover
Refer to "ENGINE REMOVAL" on page 5-1.
EAS20700

CHECKING THE IGNITION TIMING

NOTE:
Prior to checking the ignition timing, check the
wiring connections of the entire ignition system.
Make sure all connections are tight and free of
corrosion.
1. Remove:
• Front cylinder covers
Refer to "ENGINE REMOVAL" on page 5-1.
2. Remove:
• Damper cover "1"
• Damper "2"
• Timing mark accessing screw "3"
(along with the O-ring)
3-8
ENGINE