Parts list:
| № | Number | Qty | Name | Options |
|---|---|---|---|---|
| 1 | 19M7862 | 4 | Screw | M6 X 20 |
| 2 | M76190 | 1 | Bracket | |
| 3 | M74275 | 1 | Nut | |
| 4 | M76165 | 1 | Washer | |
| 5 | AM105570 | 1 | Flywheel | |
| 6 | 19M7865 | 4 | Screw | M8 X 16 |
| 7 | M76123 | 1 | Cover | |
| 8 | M113676 | 1 | Gasket | SUB FOR M76126 |
| 9 | M76154 | 1 | Seal | SUB FOR M76128 |
| 10 | M95848 | 2 | Screw | SUB FOR PT12100 |
| 11 | M76124 | 2 | Plate | |
| 12 | M76125 | 2 | Valve | Breather |
| 13 | AM121223 | 1 | Crankcase | INCLUDES MIU12135, SUB FOR AM105566 |
| 13 | AM108197 | 1 | Crankcase | 285 W/ FUEL INJECTION, DOES NOT USE MIU12135, ORDER AM128221 |
| 14 | UC12440 | 1 | Crankshaft | SUB FOR AM105564 |
| 15 | M76122 | 1 | Dowel Pin | NLA |
| 16 | M76121 | 1 | Spur Gear | |
| 17 | M147310 | 4 | Bolt | SUB FOR PT12040 |
| 18 | AM133731 | 2 | Connecting Rod | SUB FOR AM105565; Standard |
| 18 | AM133732 | 2 | Connecting Rod | .50 MM (.020"), SUB FOR AM106252; Undersize |
| 19 | M77843 | 1 | Shaft Key | |
| 20 | M76120 | AR | Snap Ring | |
| 21 | M76119 | 2 | Pin | |
| 22 | AM105554 | 2 | Piston Ring Kit | Piston Ring STD. |
| 22 | AM105562 | 2 | Piston Ring Kit | .50 MM (.020"), PISTON RING OVERSIZE |
| 23 | AM116415 | 2 | Piston Replacement Kit | NLA; ORDER AM105554, M76120 AND M96545 |
| 23 | AM116416 | 2 | Piston Replacement Kit | NLA; ORDER AM105562, M76120 AND M76096 |
| 24 | MIU12135 | 1 | Bearing | SUB FOR M97316, Not Used On 285 With Fuel Injection |
| 25 | M96545 | 1 | Piston | |
| 25 | M76096 | 2 | Piston | |
| .. | AM128221 | 1 | Gasoline Engine | ALSO ORDER M76089 |
