Parts on group :
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 010. | 12499-21110 | [1] | PISTON | STD |
| 010. | 12499-21920 | [1] | PISTON | +0.50MM |
| 020. | 12498-21052 | [1] | ASSY PISTON RING | STD |
| 020. | 12498-21092 | [1] | ASSY PISTON RING | +0.50MM |
| 030. | 12499-21310 | [1] | PIN PISTON | |
| 040. | 12498-26410 | [1] | WEIGHT BALANCER | <=17492 |
| 040. | 12498-26450 | [1] | WEIGHT BALANCER | >=17493 |
| 050. | 12499-26420 | [1] | SHAFT | <=17492 |
| 050. | 12498-26420 | [1] | SHAFT | >=17493 |
| 060. | 12498-22010 | [1] | ASSY ROD CONNECTING | STD |
| 060. | 12498-22020 | [1] | ASSY ROD CONNECTING | -0.50MM |
| 070. | 12498-22030 | [2] | ROD | <=17492 |
| 070. | 12498-22040 | [2] | ROD | >=17493 |
| 075. | 12498-91130 | [2] | BUSH | >=17493 |
| 080. | 12498-23012 | [1] | ASSY CRANKSHAFT | <=17492 |
| 080. | 12498-23030 | [1] | ASSY CRANKSHAFT | >=17493 |
| 090. | 12498-26430 | [1] | GEAR | |
| 100. | 12499-26430 | [4] | NUT | |
| 110. | 12498-23610 | [1] | SHIM | 1.180MM |
| 110. | 12498-23620 | [1] | SHIM | 1.215MM |
| 110. | 12498-23630 | [1] | SHIM | 1.250MM |
| 110. | 12498-23640 | [1] | SHIM | 1.285MM |
| 110. | 12498-23650 | [1] | SHIM | 1.320MM |
| 110. | 12498-23660 | [1] | SHIM | 1.355MM |
| 110. | 12498-23670 | [1] | SHIM | 1.390MM |
| 110. | 12498-23680 | [1] | SHIM | 1.425MM |
| 110. | 12498-23690 | [1] | SHIM | 1.460MM |
| 110. | 12498-23700 | [1] | SHIM | 1.495MM |
| 110. | 12498-23710 | [1] | SHIM | 1.530MM |
| 110. | 12498-23720 | [1] | SHIM | 1.565MM |
| 110. | 12498-23730 | [1] | SHIM | 1.600MM |
| 110. | 12498-23740 | [1] | SHIM | 1.635MM |
| 110. | 12498-23750 | [1] | SHIM | 1.670MM |
| 110. | 12498-23760 | [1] | SHIM | 1.705MM |
| 110. | 12498-23770 | [1] | SHIM | 1.740MM |
| 110. | 12498-23600 | [1] | SHIM | 1.775MM |
| 110. | 12498-23590 | [1] | SHIM | 1.810MM |
| 120. | 12499-23780 | [1] | SPACER | |
| 130. | 12498-23790 | [1] | SPACER | |
| 140. | 12499-21330 | [2] | CLIP PISTON PIN | |
| 150. | 12499-67050 | [1] | KEY | |
| 160. | 12499-95250 | [1] | O RING | |
| 170. | 12498-23020 | [1] | BUSH | <=17492 |
| 180. | 12499-22140 | [1] | BOLT |