Yamaha XP500 - Checking the Ignition Timing

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CHK
ADJ
CHECKING THE SPARK PLUGS/
CHECKING THE IGNITION TIMING
5. Check:
• electrode 1
Damage/wear → Replace the spark plug.
• insulator 2
Abnormal color → Replace the spark plug.
Normal color is a medium-to-light tan color.
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
NOTE:
Before installing the spark plug, clean the
spark plug and gasket surface.
9. Connect:
• spark plug caps
10.Install:
• Inner fender
• side cover (left and right)
• center cover
Refer to “SIDE COVER MOULDINGS AND
LEG SHIELD”.
EAS00062
CHECKING THE IGNITION TIMING
NOTE:
Prior to checking the ignition timing, check the
wiring connections of the entire ignition sys-
tem. Make sure that all connections are tight
and free of corrosion.
1. Remove:
• center cover
• side cover (left and right)
• left footrest board
Refer to “SIDE COVER MOULDINGS AND
LEG SHIELD”.
2. Remove:
• timing plug 1
Spark plug gap
0.7 ~ 0.8 mm (0.028 ~ 0.031 in)
T
R
.
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13 Nm (1.3 m · kg, 9.4 ft · lb)
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