Yamaha WR450F, Owner'S Service Manual

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ENG
3. Install:
• Starter clutch
1
To rotor
2
.
NOTE:
• Install the starter clutch with its plate side
upward.
• While installing the starter clutch, push in the
projections
a
one by one on the clutch cir-
cumference.
• Push in the starter clutch until it hits the rotor.
4. Install:
• Starter clutch assembly cover
1
To rotor
2
.
NOTE:
Install the starter clutch assembly cover by fit-
ting its pawls
a
into the groove
b
in the rotor.
1
2
a
1
2
a
b
5. Install:
• Woodruff key
1
• Rotor
2
NOTE:
• Degrease the contact surfaces of 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.
6. Install:
• Plain washer (rotor)
• Nut (rotor)
1
Use the sheave holder
2
.
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).
Sheave holder:
YS-1880-A/90890-01701
2
1
T
R
.
.
65 Nm (6.5 m · kg, 47 ft · lb)
AC MAGNETO AND STARTER CLUTCH