Ignition Timing Check - Yamaha YZ450F(W) Owner's Service Manual

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IGNITION TIMING CHECK

IGNITION TIMING CHECK
1. Remove:
• Timing plug 1
2. Attach:
• Timing light
• Inductive tachometer
To the ignition coil lead
(orange lead 1).
Timing light:
3. Adjust:
• Engine idling speed
Refer to "IDLE SPEED ADJUSTMENT".
4. Check:
• Ignition timing
Visually check the stationary pointer a is
within the firing range b on the rotor.
Incorrect firing range → Check rotor and
pickup assembly.
5. Install:
• Timing plug
3 - 47
INSP
ADJ
YM-33277-A/90890-03141

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This manual is also suitable for:

Yz450f 2007Yz450f w 2007Yz450f 2006Yz450fw 2006

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