1) Sufficiently apply engine oil to the piston pin.
2) Install the snap ring for one side to the piston.
Caution
- Do not reuse the snap ring.
3) Align the piston to the connecting rod.
Caution
- Install so that the piston head front mark and the connecting rod convex mark face the same direction.
Legend
4) Install the piston pin to the piston and connecting rod.
5) Install the snap ring to the piston.
Caution
- Do not reuse the snap ring.
- Confirm that the snap ring securely fits into the piston groove and that both the piston and connecting rod move smoothly.
6) Install the oil ring to the piston.
Note
- There is no top or bottom direction for the oil ring.
Caution
- The oil ring joint and coil expander joint should be 180° opposite from each other.
- Install so that there is no opening at the coil expander joint section.
7) Install the 2nd ring to the piston using ring pliers.
Note
- Install the 2nd ring with the laser mark facing upwards.
Caution
- When reusing the piston ring, do not insert it upside down.
8) Install the top ring to the piston using ring pliers.
Note
- Install the top ring with the laser mark facing upwards.
Caution
- When reusing the piston ring, do not insert it upside down.
Legend
- Top ring joint
- 2nd ring joint
- Oil ring joint
- Coil expander joint