SELVA MARINE Blue Whale 250 EFI Service Manual page 253

Reverse gear
backlash
Less than
0.45 mm (0.0177 in)
More than
0.78 mm (0.0307 in)
M: Measurement
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
15. Remove the special service tools, and
then install the water pump assembly.
6P23H11
Shim thickness
To be decreased by
(0.62 – M) × 0.71
To be increased by
(M – 0.62) × 0.71
Backlash (counter rotation model)
1
2
3
4
5
6
7
8
9
6-62