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CHK
ADJ
CHECKING THE SPARK PLUG/
CHECKING THE IGNITION TIMING
7. Install:
• spark plug
NOTE:
_
Before installing the spark plug, clean the
spark plug and gasket surface.
8. Connect:
• spark plug cap
T
R
.
.
13 Nm (1.3 m · kg, 9.4 ft · lb)
EAS00064
CHECKING THE IGNITION TIMING
NOTE:
_
Prior to checking the ignition timing, check the
wiring connections of the entire ignition sys-
tem. Make sure all connections are tight and
free of corrosion.
1. Remove:
• timing mark accessing screw 1
2. Connect:
• timing light
(onto the spark plug lead)
Timing light
90890-03141
1
3. Check:
• ignition timing
▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Start the engine, warm it up for several min-
utes, and then let it run at the specified
engine idling speed.
b. Check that the stationary pointer a is within
the firing range b on the A.C. magneto
rotor.
Incorrect firing range → Check the ignition
system.
NOTE:
_
The ignition timing is not adjustable.
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Engine idling speed
1,300 ~ 1,500 r/min
a
b