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INSP
ADJ
IGNITION TIMING CHECK
2. Attach:
• Timing light
• Inductive tachometer
To the ignition coil lead (orange lead 1).
Timing light:
YM-33277-A/90890-03141
Inductive tachometer:
YU-8036-B
Engine tachometer:
90890-03113
1
3. Check:
• Ignition timing
4. Install:
• Timing mark accessing screw
Checking steps:
• Start the engine and let it warm up. Let the
engine run at the specified speed.
• Adjust the engine idling speed.
Refer to “ENGINE IDLING SPEED
ADJUSTMENT” section.
• Visually check the stationary pointer a is
within the firing range b on the rotor.
Incorrect firing range → Check rotor and
pickup assembly.