| Name | Brand | Type |
|---|---|---|
| CARBURETOR | HUM | assembly |
| CLUTCH | HUM | assembly |
| COOLING SYSTEM | HUM | assembly |
| CRANKSHAFT, PISTON | HUM | assembly |
| CYLINDER | HUM | assembly |
| ENGINE CASE | HUM | assembly |
| EXHAUST CONTROL | HUM | assembly |
| IGNITION SYSTEM | HUM | assembly |
| KICK STARTER | HUM | assembly |
| REED VALVE CASE | HUM | assembly |
| SHIFTING MECHANISM | HUM | assembly |
| TRANSMISSION I - MAIN SHAFT | HUM | assembly |
| TRANSMISSION II - COUNTERSHAFT | HUM | assembly |