Yamaha WR250FM Bicycle User Manual


 
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ENG
AC MAGNETO AND STARTER CLUTCH
5. Install:
Plain washer 1
•Bearing 2
Starter clutch drive gear 3
Starter clutch 4
N
OTE:
Apply the engine oil on the plain washer, bear-
ing and starter clutch drive gear inner circum-
ference.
1
2
3
4
E
6. Install:
Woodruff key 1
•Rotor 2
N
OTE:
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.
7. Install:
Bolt (starter clutch) 1
Plain washer (rotor)
Nut (rotor) 2
T
R
.
.
16 Nm (1.6 m · kg, 11 ft · lb)
T
R
.
.
70 Nm (7.0 m · kg, 50 ft · lb)
2
1
8. Install:
Dowel pin
Gasket [crankcase cover (left)]
Crankcase cover (left) 1
Bolt [crankcase cover (left)] 2
Bolt [crankcase cover (left)] 3
N
OTE:
Tighten the bolts in stage, using a crisscross
pattern.
T
R
.
.
10 Nm (1.0 m · kg, 7.2 ft · lb)
T
R
.
.
12 Nm (1.2 m · kg, 8.7 ft · lb)
3
2
3
2
1
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