| . . | LP251-001 | [1] | FOR STD | |
| 1. | 2451U309F1 | [1] | ENGINE, Serial Range: YP1001-YP1112 | |
| 4. | 2451U309F4 | [1] | ENGINE, Start Serial: YP1113 | |
| . . | LP253-001 | [1] | FOR COLD REGIONS | |
| 2. | 2451U309F2 | [1] | ENGINE OPT2 (4.5KW STATER), Serial Range: YP1001-YP1112 | |
| 5. | 2451U309F5 | [1] | ENGINE OPT2 (4.5KW STATER), Start Serial: YP1113 | |
| . . | LP254-001 | [1] | FOR COLD REGIONS | |
| 3. | 2451U309F3 | [1] | ENGINE OPT3 (4.5KW STATER), Serial Range: YP1001-YP1111 | |
| 6. | 2451U309F6 | [1] | ENGINE ASSY OPT3 (4.5KW STATER), Start Serial: YP1112 | ENGINE ASSY OPT3 (4.5KW STATER), Start Serial: YP1112 |
| 7. | 2451U309F7 | [1] | ENGINE | KOBOPT3 (4.5KW STATER), Start Serial: YP1112 |