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IGNITION TIMING CHECK
IGNITION TIMING CHECK
1. Remove:
Timing plug 1
2. Attach:
Timing light
Inductive tachometer
To the spark plug lead.
Timing light:
Inductive tachometer
Engine tachometer:
3. Check:
Ignition timing
Checking steps:
Start the engine and let it warm up. Let the
engine run at the specified speed.
Engine speed:
Visually check the stationary pointer a is
within the firing range b on the rotor.
Incorrect firing range → Check rotor and
pickup assembly.
4. Install:
Timing plug
3 - 46
INSP
ADJ
YM-33277-A/90890-03141
YU-08036-B
90890-03113
1,700 ~ 1,900 r/min
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