Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 420819348 | Crank shaft assembly. includes 1 to 2 | 1 | |
2 | 420929650 | Drive pin 5 x 10 | 1 | |
3 | 420933455 | Plain half-bearing | 4 | |
4 | 420933465 | Plain half-bearing | 4 | |
5 | 420933475 | Half-ring | 2 | |
6 | 420837556 | Balance shaft assembly | 1 | |
7 | 420933441 | Plain half-bearing | 4 | |
8 | 420933470 | Half-ring | 2 | |
9 | 420660280 | Stop sleeve | 1 | |
10 | 420847952 | Output sleeve | 1 | |
11 | 420630551 | Sealing ring | 1 | |
12 | 420917516 | Connecting rod assembly. includes 12 to 14 | 3 | |
13 | 420640990 | Connecting rod screw | 2 | |
14 | 420933510 | Bearing sleeve | 1 | |
15 | 420933520 | Half-bearing | 6 | |
16 | 420296565 | Piston assembly, standard, 99.96 mm. includes 16 to 17 | 3 | |
16 | 420296566 | Piston assembly, oversize, 100.21 mm. includes 16 to 17 | 1 | |
17 | 420890380 | Piston set ring, standard | 1 | |
17 | 420890381 | Piston set ring, oversize | 1 | |
18 | 420216250 | Piston pin | 3 | |
19 | 420845580 | Circlip | 6 | |