| 1A | "Shaft & Lever Assembly., Throttle | 631255 | | |
| 2 | Spring, Throttle return | 631767 | replaces 632016 | |
| 3 | Shutter, Throttle | 631036 | | |
| 4 | Screw, Throttle & Choke shutter | 650506 | | |
| 7 | Shaft & Lever Assembly., Choke | 631300 | | |
| 9 | Shutter, Choke | 630736 | | |
| 10 | Screw, Idle Adjustment. | 631562 | | |
| 11 | Spring, Adjustment. screw | 630738 | | |
| 12 | Washer, Adjustment. screw | 630739 | | |
| 13 | "O" Ring, Adjustment. screw | 630740 | | |
| 15 | Plug, Welch | 630748 | | |
| 17 | Plug, Welch | 632554 | replaces 630746 | |
| 18 | Spring, Valve | 631049 | | |
| 19 | Gasket, Valve seat | 630742 | | |
| 20 | Inlet Needle, Seat, Gasket & Spring | 630932A | | |
| 21 | Gasket, Diaphragm | 630750A | replaces 630750 | |
| 22 | Diaphragm Assembly. | 630978 | | |
| 23 | Cover, Diaphragm | 630751 | | |
| 24 | Screw, Cover | 650545 | | |
| 26A | Fitting, Fuel inlet | 632164 | replaces 631803 | |
| 33 | Spring, Choke positioning | 630735 | | |
| 39 | Repair Kit | 631893A | replaces 631893 | |
