Yamaha F15A Service Manual page 318

LOWR
SHIMMING (EXCEPT FOR USA AND CANADA)
(F15A/F9.9C)
Example:
If the measurement is 1.02 mm,
decrease the shim thickness by 0.18 mm
(i.e., 1.20 - 1.02 = 0.18).
If the measurement is 1.32 mm,
increase the shim thickness by 0.12 mm
(i.e., 1.32 - 1.20 = 0.12).
Available shim thickness:
1.13 and 1.20 mm
NOTE:
Find the forward and reverse gear's shim
thickness by measuring the backlash.
SHIM SELECTION (EXCEPT FOR USA
AND CANADA)
Pinion gear shim
1. Measure:
9 Measurement (Mv
Digital caliper:
90890-06704
NOTE:
Measure the thickness (Mv
and washer.
2. Calculate:
9 Pinion gear shim thickness (T3)
Pinion gear shim thickness:
(T3) = 6.05 - Mv
3. Select:
9 Pinion gear shim
Calculated numeral
more than
1.13
1.20
Available shim thickness:
1.13 and 1.20 mm
6-20
)
3
) of the bearing
3
mm
3
Shim
or less
1.20 1.13
1.30 1.20
E