ENGINE
5-54
6LPA Service Manual
Cylinder Block
© 2007 Yanmar Marine International
4. Pry out the snap ring using a small screwdriver
to remove it from the piston (Figure 5-108).
Figure 5-108
Figure 5-108
5. Slowly heat the piston to about 80°C (176°F)
(Figure 5-109).
Figure 5-109
Figure 5-109
6. Lightly tap out the piston pin using a plastic
hammer and copper bar to disconnect the
connecting rod (Figure 5-110).
Store the piston and pin as a set. Store the
pistons, pins, rings and connecting rods together
in correct order for reassembly.
Figure 5-110
Figure 5-110
Piston and Connecting Rod
Inspection
1. Clean the carbon deposits off the piston top
using a scraper (Figure 5-111).
Figure 5-111
Figure 5-111
2. Clean the piston ring grooves using the groove
cleaning tool or a damaged ring (Figure 5-112).
Figure 5-112
Figure 5-112
00050
3
1
00050
3
2
00050
33
00050
3
4
00050
3
5