Pistons - TOHATSU NB-1000 Service Manual

SECTION 4

Pistons

Pistons, rings, and connecting rod bearings are wear
parts which seat with operation of the engine. Make
sure these parts are marked and kept together so
they can be returned to their original positions during
assembly.
11. Remove piston pin clip (6) from both sides of each piston.
15
Discard the clips.
12. Tap out the piston pins using specified piston pin tool (7).
16
Piston Pin Tool
Part Number
332-72215-0
345-72215-0
13. Remove the piston and bearing (8) from the connecting rod.
17
14. Remove each piston ring using the piston ring tool (Part No.
18
353-72249-0).
Identify each ring so it can be returned to its original
piston and ring groove.
4-28
NOTE
Applicability
Model
5 / 8 / 9.8 / 9.9 / 15 / 18
25 / 30 / 40
NOTE
T1686
T2041
T1689
T1222
1-/ 2-Cylinder