Suzuki DF70A - Lower Unit Gears - Shimming and Adjustment

3A-24 Right Hand Rotation Unit:
Lower Unit Gears - Shimming and Adjustment
Z9J0113106029
If the lower unit has been rebuilt or has had components replaced, shimming for the correct gear contact and backlash
will have to be checked and/or adjusted to ensure smooth, reliable operation.
Shim / Washer and Mounting Position
Item Available thickness (mm)
Design specification thickness
(mm)
Pinion gear back up shim
0.50, 0.55, 0.60, 0.65, 0.70, 0.75,
0.80, 0.85, 0.90, 0.95, 1.00, 1.05,
1.10, 1.15
1.0
Forward gear back up shim
0.55, 0.60, 0.65, 0.70, 0.75, 0.80,
0.85, 0.90, 0.95, 1.00
1.0
Forward gear thrust washer 3.0 3.0
Propeller shaft reverse thrust washer
0.5, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,
1.7
1.3
Reverse gear back up shim
0.55, 0.60, 0.65, 0.70, 0.75, 0.80,
0.85, 0.90, 0.95, 1.00, 1.05
1.0
1
2
3
4
5
I9J011310011-04
1. Pinion gear back up shim 3. Forward gear thrust washer 5. Reverse gear back up shim
2. Forward gear back up shim 4. Propeller shaft reverse thrust washer
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