Yamaha WR450F(R) Owner's Service Manual page 462

AC MAGNETO AND STARTER CLUTCH
5. Install:
Bolt (starter clutch) 1
G
Plain washer (rotor)
G
Nut (rotor) 2
G
NOTE:
Tighten the rotor nut to 65 Nm (6.5 m·kg,
47 ft·lb), loosen and retighten the rotor nut to
65 Nm (6.5 m·kg, 47 ft·lb).
6. Install:
Shaft 1
G
Bearing 2
G
Idle gear 2 3
G
NOTE:
Apply the engine oil on the shaft, bearing and
idle gear inner circumference.
7. Install:
Dowel pin
G
Gasket [crankcase cover (left)]
G
Crankcase cover (left) 1
G
Bolt [crankcase cover (left)]
G
NOTE:
Tighten the bolts in stage, using a crisscross
pattern.
8. Install:
Shaft 1
G
Bearing 2
G
Idle gear 1 3
G
NOTE:
Apply the engine oil on the shaft, bearing and
idle gear inner circumference.
9. Install:
Cover (idle gear 1) 1
G
Bolt 2
G
NOTE:
Install the cover (idle gear 1) with its mark a
facing upward.
4 - 81
ENG
16 Nm (1.6 m · kg, 11 ft · lb)
65 Nm (6.5 m · kg, 47 ft · lb)
New
10 Nm (1.0 m · kg, 7.2 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)