CHK
ADJ
3-16
EBS00058
CHECKING THE IGNITION TIMING
N
TE:N
TE:
Engine idling speed and throttle cable free play
should be adjusted properly before checking
the ignition timing.
1. Attach:
• digital tachometer
• timing light
(onto the ignition coil spark plug lead)
2. Check:
• ignition timing
a. Warm up the engine and keep it at the
specified speed.
b. Remove the timing mark accessing screw
.
c. Visually check the stationary pointer to
verify it is within the required firing range
indicated on the AC magneto rotor.
Incorrect firing range → Check the pickup
coil assembly.
d. Install the timing mark accessing screw.
3. Detach:
• timing light
• digital tachometer
Digital tachometer
90890-06760, YU-39951-B
Timing light
90890-03141
Inductive clamp timing light
YU-03141
1
Engine speed
1,500 ~ 1,600 r/min
a
b
CHECKING THE IGNITION TIMING
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