Yamaha YZ250X 2022 Owner's Service Manual page 179

TIP
• Clean the tapered portions of the crankshaft
and rotor.
• When installing the woodruff key, make sure
that its flat surface "a" is in parallel with the
crankshaft center line "b".
• When installing the rotor, align the keyway "c"
of the rotor with the woodruff key.
3. Install:
• Washer "1"
• Rotor nut "2"
(with the rotor holding tool "3")
CDI magneto rotor nut
56 N·m (5.6 kgf·m, 41 lb·ft)
Rotor holding tool
90890-01235
Universal magneto and rotor
holder
YU-01235
4. Adjust:
• Ignition timing
Refer to "CHECKING THE IGNITION TIM-
ING" on page 3-25.
5. Tighten:
• Stator coil screw "1"
Stator coil screw
7 N·m (0.7 kgf·m, 5.2 lb·ft)
c
1
3
TIP
• Mark "a" on the stator "2" should be aligned
with the ignition timing position mark "b" on the
crankcase "3".
• Align the stator coil screw "1" with the center of
the hole "c".
6. Check:
• Ignition timing
Re-check the ignition timing.
7. Connect:
• CDI magneto lead "1"
Refer to "CABLE ROUTING DIAGRAM" on
page 2-15.
8. Install:
• Crankcase cover gasket (left)
• Crankcase cover (left) "1"
• Crankcase cover screw (left) "2"
Crankcase cover screw (left)
5 N·m (0.5 kgf·m, 3.7 lb·ft)
TIP
Tighten the screws in stage, using a crisscross
pattern.
5-17
CDI MAGNETO
1
b a 2
New