Parts on group :
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 010. | 12657-21110 | [1] | PISTON | STANDARD NORMAL |
| 010. | 12657-21920 | [1] | PISTON | +0.25MM FOR SERVICE |
| 010. | 12657-21910 | [1] | PISTON | +0.5MM FOR SERVICE |
| 020. | 12657-21050 | [1] | ASSY PISTON RING | STANDARD NORMAL |
| 020. | 12657-21100 | [1] | ASSY PISTON RING | +0.25MM FOR SERVICE |
| 020. | 12657-21090 | [1] | ASSY PISTON RING | +0.5MM FOR SERVICE |
| 030. | 12631-21310 | [1] | PIN PISTON | |
| 040. | 13631-21330 | [2] | CIR-CLIP | |
| 050. | 12653-22010 | [1] | ASSY CONNECTING ROD | STANDARD NORMAL |
| 050. | 12653-22050 | [1] | ASSY CONNECTING ROD | -0.25MM FOR SERVICE |
| 050. | 12653-22060 | [1] | ASSY CONNECTING ROD | -0.5MM FOR SERVICE |
| 060. | 13921-22142 | [2] | BOLT CONNECTING ROD | |
| 070. | 12003-23110 | [1] | CRANKSHAFT | |
| 080. | 12631-24110 | [1] | GEAR CRANKSHAFT | |
| 090. | 05811-00416 | [1] | KEY WOODRUFF | |
| 100. | 08103-06205 | [2] | BEARING BALL | |
| 110. | 09500-00023 | [1] | SEAL OIL | |
| 120. | 12866-04460 | [1] | SEAL OIL | |
| 130. | 13921-23610 | [1] | SHIM | 0.1MM |
| 130. | 13621-23720 | [1] | SHIM CRANKSHAFT | 0.2MM |
| 130. | 13621-23630 | [1] | SHIM | 0.25MM |
| 130. | 13621-23640 | [1] | SHIM CRANKSHAFT | 0.3MM |
| 130. | 13621-23620 | [1] | SHIM CRANKSHAFT | 0.35MM |
| 130. | 13621-23650 | [1] | SHIM | 0.4MM |
| 130. | 13621-23690 | [1] | SHIM | 0.45MM |
| 130. | 13621-23670 | [1] | SHIM CRANKSHAFT | 0.5MM |
| 140. | 12657-21860 | [1] | ASSY PISTON O/S | +0.25MM FOR SERVICE |
| 140. | 12657-21850 | [1] | ASSY PISTON O/S | +0.5MM FOR SERVICE |
