Backlash (Regular Rotation Model) - Yamaha F225A Service Manual

NOTE:
Tighten the propeller nut B while turning the
drive shaft until the drive shaft can no longer
be turned.
10. Slowly turn the drive shaft clockwise and
counterclockwise and measure the back-
lash when the drive shaft stops in each
direction.
Reverse gear backlash:
0.70–1.03 mm (0.028–0.041 in)
11. Add or remove shim(s) if out of specifica-
tion.
Reverse gear
backlash
Less than
0.70 mm (0.028 in)
More than
1.03 mm (0.041 in)
M: Measurement
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
12. Remove the special service tools, and
then install the water pump assembly.
69J3D11
Shim thickness
To be increased by
(0.87 – M) × 0.71
To be decreased by
(M – 0.87) × 0.71

Backlash (regular rotation model)

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