Parts on group :
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 010. | 12556-21113 | [1] | PISTON | STD |
| 010. | 12556-21923 | [1] | PISTON | +0.25MM |
| 010. | 12556-21913 | [1] | PISTON | +0.5MM |
| 020. | 12556-21052 | [1] | ASSY RING PISTON | STD |
| 020. | 12556-21102 | [1] | ASSY RING PISTON | +0.25MM |
| 020. | 12556-21092 | [1] | ASSY RING PISTON | +0.5MM |
| 030. | 12627-21310 | [1] | PIN PISTON | |
| 040. | 13961-21330 | [2] | CIR CLIP | |
| 050. | 12627-22010 | [1] | ASSY CONNECTING ROD | STD |
| 050. | 12627-22050 | [1] | ASSY CONNECTING ROD | -0.25MM |
| 050. | 12627-22060 | [1] | ASSY CONNECTING ROD | -0.50MM |
| 060. | 12627-22140 | [2] | BOLT ROD | |
| 070. | E5161-23010 | [1] | ASSY CRANKSHAFT | |
| 075. | E5161-23110 | [1] | CRANKSHAFT | |
| 080. | 12965-24110 | [1] | GEAR CRANKSHAFT | |
| 090. | 05811-00416 | [1] | KEY WOODRUFF | |
| 100. | 12621-16300 | [1] | BEARING BALL | <=3S8175 |
| 100. | 08103-06206 | [1] | BEARING BALL | >=3U0001 |
| 110. | 08103-06306 | [1] | BEARING BALL | |
| 120. | E3131-23550 | [1] | SEAL,OIL | |
| 130. | 13961-16640 | [1] | SEAL OIL | |
| 140. | 13641-23680 | [1] | SHIM | 0.20MM |
| 140. | 13641-16550 | [1] | SHIM 25 | 0.25MM |
| 140. | 13641-23620 | [1] | SHIM 30 | 0.30MM |
| 140. | 13641-16560 | [1] | SHIM | 0.35MM |
| 140. | 13641-23630 | [1] | SHIM | 0.40MM |
| 140. | 12621-16600 | [1] | SHIM | 0.45MM |
| 140. | 13641-23650 | [1] | SHIM 50 | 0.50MM |
| 140. | 12621-23680 | [1] | SHIM | 0.55MM |
| 140. | 12621-23690 | [1] | SHIM | 0.60MM |
