| 1 | "Shaft & Lever Assembly., Throttle | 631385 | | |
| 2 | Spring, Throttle return | 631066 | | |
| 3 | Shutter, Throttle | 631036 | | |
| 4 | Screw, Throttle & Choke shutter | 650506 | | |
| 5 | Spring, Idle speed regulating | 630766 | | |
| 6 | Screw, Idle regulating | 651025 | replaces 650417 | |
| 7A | Shaft & Lever Assembly., Choke | 631130 | | |
| 9 | Shutter, Choke | 31837 | | |
| 10 | Screw, Idle Adjustment. | 631387 | | |
| 11 | Spring, Main Adjustment. screw | 630738 | | |
| 12 | Washer, Main Adjustment. screw | 630739 | | |
| 13 | "O" Ring, Main Adjustment. screw | 630740 | | |
| 14 | Screw, Main Adjustment. | 630898 | | |
| 15 | Plug, Welch | 630748 | | |
| 16 | Spring, Idle Adjustment. screw | 631345 | | |
| 17 | Plug, Welch | 632554 | replaces 630746 | |
| 18 | Spring, Valve | 631049 | | |
| 19 | Gasket, Valve seat | 630742 | | |
| 20 | Inlet Needle, Seat, Spring & Gasket Assembly. | 630932A | | |
| 21 | Gasket, Diaphragm | 630750A | replaces 630750 | |
| 22 | Diaphragm Assembly. | 630978 | | |
| 23 | Cover Assembly., Diaphragm | 32185 | | |
| 24 | Screw | 650545 | | |
| 25 | Valve, Check | 631201 | | |
| 26B | Fitting, Fuel inlet | 632164 | | |
| 27 | Spring, Detent | 631048 | | |
| 28 | Screw, Detent spring | 650569 | | |
| 29 | Retainer, Throttle shaft | 630955 | | |
| 30 | Screw, Throttle shaft retainer | 650569 | | |
| 34 | Repair Kit | 631893A | replaces 631893 | |
