| 1A | "Shaft & Lever Assembly., Throttle | 631391 | | |
| 2 | Spring, Throttle | 631365 | | |
| 3 | Shutter, Throttle | 631367 | | |
| 4 | Screw, Throttle & Choke shutter | 650506 | | |
| 5 | Spring, Idle speed | 630766 | | |
| 6 | Screw, Idle regulating | 651025 | replaces 650417 | |
| 7B | Shaft & Lever Assembly., Choke | 631200 | | |
| 9 | Shutter, Choke | 631222 | | |
| 10 | Screw, Idle Adjustment. | 631457 | | |
| 11 | Spring, Idle Adjustment. screw | 630738 | | |
| 11A | Spring, Main Adjustment. screw | 631192 | | |
| 12A | Spring, Main Adjustment. screw | 631191 | | |
| 12 | Spring, Idle Adjustment. screw | 630739 | | |
| 13 | "O" Ring, Idle Adjustment. screw | 630740 | | |
| 13A | "O" Ring, Main Adjustment. screw | 631190 | | |
| 14 | Screw, Main Adjustment. (.0225 dia. hole) | 631189 | | |
| 15 | Plug, Welch | 632554 | replaces 630746 | |
| 16 | Element, Pump | 630953 | | |
| 17 | Plug, Welch | 632554 | replaces 630746 | |
| 18 | Spring, Valve | 631049 | | |
| 19 | Gasket, Valve seat | 630742 | | |
| 20 | Inlet Needle, Seat, Spring & Gasket A ssy. | 630932A | | |
| 21 | Gasket, Diaphragm | 630750A | replaces 630750 | |
| 22 | Diaphragm Assembly. | 630978 | | |
| 23 | Cover, Diaphragm | 630751 | | |
| 24 | Screw, Diaphragm cover | 650545 | | |
| 25 | Valve, Check | 631201 | | |
| 26 | Fitting, Fuel inlet | 631202 | | |
| 27A | Spring, Detent | 631203 | | |
| 28 | Screw, Detent | 650569 | | |
| 29A | Retainer, Throttle shaft | 631393 | | |
| 30 | Screw, Retainer | 650545 | | |
| 33 | Repair Kit | 631893A | replaces 631893 | |
