| Order | Job/Parts to remove | Quantity | Remarks |
| Lower crankcase | Refer to «Crankcase». | ||
| 1 | Connecting rod cap | 4 | |
| 2 | Big end lower bearing | 4 | |
| 3 | Big end upper bearing | 4 | |
| 4 | Piston pin clip | 8 | |
| 5 | Piston pin | 4 | |
| 6 | Piston | 4 | |
| 7 | Connecting rod | 4 | |
| 8 | Top ring | 4 | |
| 9 | 2nd ring | 4 | |
| 10 | Oil ring | 4 | |
| 11 | Cylinder | 1 | |
| 12 | Cylinder gasket | 1 |
The following procedure applies to all of the connecting rods and pistons.
1. Remove:
- Connecting rod cap «1»
- Big end bearings
Notes:
- Identify the position of each big end bearing so that it can be reinstalled in its original place.
- After removing the connecting rods and connecting rod caps, care should be taken not to damage the mating surfaces of the connecting rods and connecting rod caps.
2. Remove:
- Cylinder
- Cylinder gasket
- Cylinder stud bolts
3. Remove:
- Piston pin clips «1»
- Piston pin «2»
- Piston «3»
Caution! Do not use a hammer to drive the piston pin out.
Notes:
- For reference during installation, put identification marks on the piston crown.
- Before removing the piston pin, deburr the piston pin clip groove and the piston pin bore area. If both areas are debarred and the piston pin is still difficult to remove, remove it with the piston pin puller set «4».
Piston pin puller set: 90890-01304
Piston pin puller: YU-01304
4. Remove:
- Top ring
- 2nd ring
- Oilring
Note: When removing a piston ring, open the end gap with your fingers and lift the other side of the ring over the piston crown.
