TOHATSU MFS 4 Service Manual page 48

Maintenance
Remove lower unit installation bolts 2, and pull lower unit
2.
ass'y downward to remove.
Remove pump case (Upper) 3.
3.
Remove impeller 4 and check it.
4.
5. Check upper pump case for deformation. Replace if
necessary.
Check impeller 4 and pump case liner 5 for cracks and
6.
wear. Replace if necessary.
Check pin 6 and drive shaft groove b for wear. Replace if
7.
necessary.
8. Reinstall the part. For details, refer to Chapter 6.
3-8
2
3
5
a
4
a Projection
6 6
2
b b
4st 4/5/6 2011