| pos. | decription | spare part number | |
| 1 | Shaft/Lever-Throttle | 631776A |
| 2 | Spring, Throttle Return | 631970 |
| 6 | Shutter, Throttle | 631778 |
| 7 | Screw, Throttle &Choke Shutter | 650506 |
| 10 | Shaft & Lever Assy., Choke | 632112 |
| 14 | Shutter, Choke | 632174 |
| 15 | Spring, Choke Positioning | 630735 |
| 16 | Fitting, Fuel Inlet (used on type 1602B) | 632164 |
| 17 | Screw, Idle Regulating | 650417 |
| 18 | Spring, Idle Speed | 630766 |
| 20 | Screw-Idle Adjustment | 640016 |
| 21 | Cap-Screw Idler Adj. | 640053 |
| 25 | Float Bowl Assembly (Incl. Ref . | 631951 |
| 27 | Shaft-Float | 631024 |
| 28 | Float, Carburetor | 632019 |
| 29 | Gasket-Bowl-to-Body | 631028 |
| 30 | Inlet Needle-Seat & Clip Assy. (Incl. Ref. | 631021 |
| 31 | Clip, Inlet Needle | 631022 |
| 33 | Gasket-Drain Plunger | 27554 |
| 36 | Main Nozzle Tube | 640005 |
| 37 | O-Ring | 632547 |
| 40 | High Speed Bowl Nut | 640055 |
| 44 | Gasket, Bowl-to-body | 27110 |
| 47 | Plug, Welch | 630748 |
| 48 | Plug-Welch | 631027 |
