Yamaha 40V Service Manual page 137

LOWR
SHIMMING
3. Check:
Specified measurement (M)
Out of specified measurement →
Adjust.
Thickness gauge:
YU-26900-9
NOTE:
Check the fit between the shimming gauge
and lower surface of the press plate.
4. Adjust:
Shim(s)
Remove or add.
Available shim thickness:
0.05, 0.08, 0.12, 0.30 and 0.50 mm
Reverse gear shim
NOTE:
Find reverse gear shim thickness (T2) by
backlash measurement.
Measure the backlash with the original
shim(s).
If the original shim(s) is unavailable, start
with a 0.50 mm shim.
Available shim thickness:
0.05, 0.08, 0.12, 0.30 and 0.50 mm
6-22
E