TOHATSU MFS 25D Service Manual page 264

Lower Unit
3. Add and adjust the shim 5 to the lower side of the pump
case lower 1 so that the gap a is within the specified
range.
Bevel Gear B Height a:
0.60 - 0.64 mm (0.0236 - 0.0252 in)
Thickness
0.1 mm
0.15 mm
0.3 mm
0.5 mm
6-34
Type of Shim
Part No.
346-64081-0
346-64082-0
346-64083-0
346-64084-0
4 Bearing Outer Race
4st 25/30 2022