- Located on the side of the carburetor, the air cut-off valve prevents lean fuel mixture (backfire) when decelerating
- Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes
- Direct OEM-style replacement carburetor air cut-off valve set
- Include diaphragm, spring and O-ring
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1980 | Honda | CB650 | |
| 1980 | Honda | CB650C Custom | |
| 1980-1982 | Honda | CB750C Custom | |
| 1980-1982 | Honda | CB750F Super Sport | |
| 1980-1982 | Honda | CB750K 750 Four | |
| 1980-1982 | Honda | CB900C Custom | |
| 1981-1982 | Honda | CB900F Super Sport | |
| 1980-1981 | Honda | CM400A Hondamatic | |
| 1981 | Honda | CM400C Custom | |
| 1980-1981 | Honda | CM400E | |
| 1980-1981 | Honda | CM400T | |
| 1982-1983 | Honda | CM450A Hondamatic | |
| 1982 | Honda | CM450C Custom | |
| 1982-1983 | Honda | CM450E | |
| 1980-1982 | Honda | CX500C Custom | |
| 1980-1981 | Honda | CX500D Deluxe | |
| 1980-1983 | Honda | Goldwing 1100 GL1100 | |
| 1982-1983 | Honda | Goldwing 1100 GL1100A Aspencade | |
| 1980-1983 | Honda | Goldwing 1100 GL1100I Interstate | |
| 1980-1981 | Honda | Hawk 400 CB400T | |
| 1982 | Honda | Hawk 450 CB450T | |
| 1982-1983 | Honda | Nighthawk 450 CB450SC | |
| 1985 | Honda | Nighthawk 450 CB450SC | |
| 1982-1983 | Honda | Nighthawk 750 CB750SC | |
| 1981-1982 | Honda | Silver Wing 500 GL500 | |
| 1981-1982 | Honda | Silver Wing 500 GL500I Interstate | |
| 1980-1981 | Honda | XL250S | |
| 1979-1981 | Honda | XL500S | |
| 1980 | Honda | XR250 | |
| 1981-1982 | Honda | XR250R | |
| 1979-1980 | Honda | XR500 | |