Yamaha YZ450FA 2011 Owner's Service Manual page 109

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
Crankshaft position sensor.
5. Install:
• Timing mark accessing screw
Timing mark accessing screw:
6 Nm (0.6 m•kg, 4.3 ft•lb)
3-38
ELECTRICAL