Parts on group :
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 010. | 19274-21110 | [3] | PISTON | STD |
| 010. | 19274-21910 | [3] | PISTON | +0.5mm |
| 020. | 19439-21110 | [3] | PISTON | STD |
| 020. | 19439-21910 | [3] | PISTON | +0.5mm |
| 030. | 15521-21050 | [6] | ASSY PISTON RING | |
| 030. | 15521-21092 | [6] | ASSY PISTON RING | +0.5mm |
| 040. | 15521-21310 | [6] | PIN PISTON | |
| 050. | 15221-21330 | [12] | CIR-CLIP PISTON PIN | |
| 060. | 15471-22012 | [6] | ASSY CONNECTING ROD | |
| 070. | 15221-21980 | [6] | BUSH PISTON PIN | |
| 080. | 15521-22140 | [12] | BOLT CONNECTING ROD | |
| 090. | 15471-22310 | [6] | METAL,CRANKPIN | SET |
| 090. | 15471-22970 | [6] | METAL CRANKPIN(-0.2) | SET -0.2mm |
| 090. | 15471-22980 | [6] | METAL,CRANKPIN | SET -0.4mm |
| 100. | 15621-23010 | [1] | COMP.CRANKSHAFT | <=71275 |
| 100. | 15628-23010 | [1] | COMP.CRANKSHAFT | >=71276 |
| 110. | 07715-00401 | [6] | BALL 1/4 | |
| 120. | 15601-23420 | [1] | BEARING | |
| 130. | 15601-24110 | [1] | GEAR CRANKSHAFT | |
| 140. | 05712-00730 | [1] | FEATHER KEY | |
| 150. | 15601-35630 | [1] | GEAR OIL PUMP DRIVE | |
| 160. | 15401-23310 | [1] | OIL SLINGER | <=53451 |
| 160. | 15401-23310 | [1] | OIL SLINGER | >=53452 |
| 170. | 15601-23250 | [1] | COLLAR CRANKSHAFT | <=71275 |
| 170. | 17381-23250 | [1] | COLLAR,CRANKSHAFT | >=71276 |
| 180. | 04811-10300 | [1] | O RING | |
| 190. | 15221-23470 | [1] | METAL CRANKSHAFT 1 | <=52943 |
| 190. | 17331-23470 | [1] | METAL,CRANKSHAFT | >=52944 |
| 190. | 17311-23470 | [1] | METAL,CRANKSHAFT | >=75949 |
| 200. | 15221-23480 | [6] | METAL,CRANKSHAFT | SET <=52943 |
| 200. | 17331-23480 | [6] | METAL CRANKSHAFT | SET >=52944 |
| 200. | 17311-23480 | [6] | METAL CRANKSHAFT | SET >=75949 |
| 210. | 15221-23530 | [2] | METAL SIDE | |
| 220. | 15221-23540 | [2] | METAL,SIDE |