| Name | Brand | Type |
|---|---|---|
| Carburetor Group | BRG | assembly |
| Controls Group | BRG | assembly |
| Crankcase Cover/Sump Group | BRG | assembly |
| Crankshaft Group | BRG | assembly |
| Cylinder Head Group | BRG | assembly |
| Exhaust Group | BRG | assembly |
| Flywheel, Ignition, and Starter Group | BRG | assembly |
| Lubrication Group | BRG | assembly |