Yamaha WR250FM 2021 Owner's Service Manual page 240

LT
2
1
3
2. Install:
• Woodruff key "1"
• Generator rotor "2"
TIP
• Clean the contact surfaces of the tapered por-
tions of the crankshaft and generator 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 generator rotor, align the
keyway "c" of the generator rotor with the
woodruff key.
a
b 1
2
3. Install:
• Washer
• Nut (generator rotor) "1"
Nut (generator rotor)
65 N·m (6.5 kgf·m, 48 lb·ft)
4. Install:
• Dowel pin "1"
• Gasket (left crankcase cover) "2"
4
LT
4
1
c
1
New
5-40
• Crankcase cover (left) "3"
• Lead holder "4"
• Bolt (left crankcase cover) "5"
Bolt (left crankcase cover)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
TIP
Tighten the bolts in stages and in a crisscross
pattern.
5 4
2
1
5. Connect:
• Stator coil assembly lead
Refer to "CABLE ROUTING DIAGRAM" on
page 2-17.
GENERATOR
1
3
5
4
5
5 5