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CHK
ADJ
CHECKING THE IGNITION TIMING
EBS00058
CHECKING THE IGNITION TIMING
TIP
Engine idling speed and throttle cable free play
should be adjusted properly before checking
the ignition timing.
1. Remove:
• Shroud cap
2. Attach:
• engine tachometer
• timing light
(to spark plug lead)
3. Check:
• ignition timing
a. Warm up the engine and keep it at the
specified speed.
b. Visually check the stationary pointer to
verify it is within the required firing range
indicated on the rotor.
Incorrect firing range Check the pickup
coil.
4. Detach:
• timing light
• engine tachometer
5. Install:
Inductive self-powered tachome-
ter
P/N. YU-8036-B
Engine tachometer
P/N. 90890-03113
Timing light
P/N. YM-33277-A, 90890-03141
Engine speed
1,600 ~ 1,800 r/min
F
T
a
a
• Shroud cap
The ignition timing is not adjustable.
TIP
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