Parts on group :
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 010. | EG131-21110 | [1] | PISTON | STD |
| 010. | 12657-21920 | [1] | PISTON | +0.25MM |
| 010. | 12657-21910 | [1] | PISTON | +0.50MM |
| 020. | EG131-21050 | [1] | ASSY PISTON RING | STD |
| 020. | 12657-21100 | [1] | ASSY PISTON RING | +0.25MM |
| 020. | 12657-21090 | [1] | ASSY PISTON RING | +0.50MM |
| 030. | 12631-21310 | [1] | PIN PISTON | |
| 040. | 13631-21330 | [2] | CIR-CLIP | |
| 050. | E3131-22010 | [1] | ASSY ROD CONNECTING | STD |
| 050. | E3131-22050 | [1] | ASSY ROD CONNECTING | -0.25MM |
| 050. | E3131-22060 | [1] | ASSY ROD CONNECTING | -0.50MM |
| 060. | E3111-22140 | [2] | BOLT CONNECTING ROD | |
| 070. | 12558-23030 | [1] | ASSY CRANKSHAFT | |
| 080. | 12631-24110 | [1] | GEAR CRANKSHAFT | |
| 090. | 05811-00416 | [1] | KEY WOODRUFF | |
| 100. | 08103-06205 | [2] | BEARING BALL | <=4A8514 |
| 100. | 1A021-97300 | [2] | BALL BEARING | >=4C0001 |
| 110. | E3131-23550 | [1] | SEAL,OIL | |
| 120. | E3131-16350 | [1] | SEAL OIL | |
| 130. | 13921-23610 | [1] | SHIM | 0.10MM |
| 130. | 13621-23720 | [1] | SHIM CRANKSHAFT | 0.20MM |
| 130. | 13621-23630 | [1] | SHIM | 0.25MM |
| 130. | 13621-23640 | [1] | SHIM CRANKSHAFT | 0.30MM |
| 130. | 13621-23620 | [1] | SHIM CRANKSHAFT | 0.35MM |
| 130. | 13621-23650 | [1] | SHIM | 0.40MM |
| 130. | 13621-23690 | [1] | SHIM | 0.45MM |
| 130. | 13621-23670 | [1] | SHIM CRANKSHAFT | 0.50MM |
| 130. | 12653-23680 | [1] | SHIM CRANKSHAFT | 0.55MM |
| 130. | 12653-23690 | [1] | SHIM | 0.60MM |
