Yamaha GP 338F Servise Manual page 37

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POWER TRAIN
-
Secondary Sheave
2) Sheave offset adjustment
Loosen the four upper bracket mounting bolts, and
set the sheave gauge as illustrated.
If the gauge contacts the secondary slid ing sheave
and the primary fixed sheave at
four
places at
the
same time, the offset is correct.
If not, adjust by shifting the engine
sideways.
The sheave gauge is designed to make three differ-
ent offset measurements 0.24 in" 0.43 in. and 0.63
in. (6 mm., 11 mm. and
16
mm.)
Correct offset: 0.48 in. (11 mm .)
(Fig. 3-10)
Fig.
3-14
10.6
±
0.04
ins.
(270
±
1
mm.l
0.48 in. (11 mm.l
-
-
--iffiHH-
ft--
Fig.3-15
- 34-

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