Yu-1235/90890-01235; Ym-1189/90890-01189; Rotor Holding Tool; Flywheel Puller - Yamaha YZ450F Manuel D'atelier Du Proprietaire

CDI MAGNETO
EC4L3000
REMOVAL POINTS
EC4L3101
Rotor
1. Remove:
• Nut (rotor) 1
• Plain washer
Use the rotor holding tool 2.

Rotor holding tool:

YU-1235/90890-01235

2. Remove:
• Rotor 1
Use the flywheel puller 2.

Flywheel puller:

YM-1189/90890-01189

NOTE:
When installing the flywheel puller, turn it
counterclockwise.
EC4L4000
INSPECTION
EC4L4101
CDI magneto
1. Inspect:
• Rotor inner surface a
• Stator outer surface b
Damage → Inspect the crankshaft runout
and crankshaft bearing.
If necessary, replace CDI magneto and/
or stator.
EC4L4200
Woodruff key
1. Inspect:
• Woodruff key 1
Damage → Replace.
4 - 77
ENG