| Name | Brand | Type |
|---|---|---|
| Air Cleaner Group | BRG | assembly |
| Carburetor Group | BRG | assembly |
| Controls Group | BRG | assembly |
| Crankcase Cover/Sump and Lubrication Group | BRG | assembly |
| Crankshaft Group | BRG | assembly |
| Cylinder Group | BRG | assembly |
| Cylinder Head Group | BRG | assembly |