Yamaha YZ450FX 2019 Owner's Service Manual page 258

LT
2
1
2. Install:
• Woodruff key "1"
• Rotor "2"
TIP
• Clean the contact surfaces of the tapered por-
tions 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.
a
b 1
2
3. Install:
• Washer
• Nut (rotor) "1"
Nut (rotor)
65 N·m (6.5 kgf·m, 48 lb·ft)
4. Install:
• Dowel pin "1"
• Gasket (left crankcase cover) "2"
• Crankcase cover (left) "3"
TIP
Tighten the bolts in stages and in a crisscross
4
pattern.
3
4
5. Connect:
1
c
1
New
5-59
AC MAGNETO
• Lead holder "4"
• Bolt (left crankcase cover) "5"
Bolt (left crankcase cover)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
1
1 2
5
4
• AC magneto lead
Refer to "CABLE ROUTING DIAGRAM" on
page 2-31.
3
5
4
5
5
5