Yamaha YZ450F (S) Bedienungsanleitung Seite 238

IGNITION TIMING CHECK
IGNITION TIMING CHECK
1. Remove:
Timing plug 1
G
2. Attach:
Timing light
G
To the ignition coil lead
(orange lead 1).
Timing light:
3. Adjust:
Engine idling speed
G
Refer to "IDLE SPEED ADJUST-
MENT".
4. Check:
Ignition timing
G
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
G
3 - 46
INSP
ADJ
YM-33277-A/90890-03141