| 1B | "Shaft & Lever Assembly., Throttle | 631030 | | |
| 2 | Spring, Throttle return | 631045 | | |
| 3 | Shutter, Throttle | 631036 | | |
| 4 | Screw, Throttle & Choke shutter | 650506 | | |
| 7 | Spring, Choke positioning | 630735 | | |
| 9 | Shutter, Choke | 630758 | | |
| 10 | Screw, Idle Adjustment. | 630898 | | |
| 11 | Spring, Adjustment. screw | 630738 | | |
| 11A | Spring, Adjustment. screw | 630738 | | |
| 12A | Washer, Adjustment. screw | 630739 | | |
| 12 | Washer, Adjustment. screw | 630739 | | |
| 13 | "O" Ring, Adjustment. screw | 630740 | | |
| 13A | "O" Ring, Adjustment. screw | 630740 | | |
| 14 | Screw, Main Adjustment. | 630898 | | |
| 15 | Plug, Welch | 630748 | | |
| 17 | Plug, Welch | 632554 | replaces 630746 | |
| 18 | Spring, Valve | 631049 | | |
| 19 | Gasket, Valve seat | 630742 | | |
| 20 | Inlet Needle, Valve, Seat & Gasket Assembly. | 630932A | | |
| 21 | Gasket, Diaphragm | 630750A | replaces 630750 | |
| 22 | Diaphragm Assembly. | 630978 | | |
| 23 | Cover, Diaphragm | 630751 | | |
| 24 | Screw, Cover | 650545 | | |
| 25A | Shaft & Lever Assembly., Choke | 630971 | | |
| 28 | Fitting, Fuel inlet | 632164 | replaces 631803 | |
| 32 | Repair Kit | 631893A | replaces 631893 | |
