| Name | Brand | Type |
|---|---|---|
| Blower Housing and Air Cleaner Group | BRG | assembly |
| Carburetor and Fuel Supply Group | BRG | assembly |
| Controls Group | BRG | assembly |
| Crankshaft Group | BRG | assembly |
| Cylinder Group | BRG | assembly |
| Cylinder Head Group | BRG | assembly |
| Sump Group | BRG | assembly |