
K&S TECHNOLOGIES
Carburetor Air Cut-Off Valve Kit - Honda
Part # 1003-1938
$40.95
Low Stock (1)
- 60-day returns
- Free shipping over $100
- Secure checkout
CARB Compliance: B — Not legal for sale in California
Confirmed fit for 55 motorcycle configurations across Honda, model years 1979–1986.
| Years | Make & Model |
|---|---|
| 1979-1980 Honda | XR500 |
| 1981-1982 Honda | GL500 Silver Wing |
| 1981-1982 Honda | XR250R |
| 1982-1986 Honda | CB450SC Nighthawk |
| 1980-1981 Honda | CB400A Hawk Hondamatic |
| 1980-1982 Honda | CB750F |
| 1980-1981 Honda | CB400T Hawk |
| 1980-1982 Honda | CB750C Custom |
| 1980-1983 Honda | GL1100I Gold Wing Interstate |
| 1980-1982 Honda | CX500C Custom |
| 1982-1983 Honda | GL1100A Gold Wing Aspencade |
| 1982-1983 Honda | CB750SC Nighthawk |
| 1980-1982 Honda | CB750K |
| 1980-1981 Honda | CX500D Deluxe |
| 1980 Honda | CB650C Custom |
| 1980-1983 Honda | GL1100 Gold Wing |
| 1981-1982 Honda | CB900F Super Sport |
| 1980-1981 Honda | XL250S |
| 1979-1981 Honda | XL500S |
| 1981-1982 Honda | XR500R |
| 1981 Honda | CM400C Custom |
| 1982 Honda | CB450T Hawk |
| 1980-1981 Honda | CB400T |
- 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
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Overview
The K&S TECHNOLOGIES 1003-1938: Carburetor Air Cut-Off Valve Kit - Honda. Confirmed fit for 55 motorcycle configurations across Honda, model years 1979–1986. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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Fits these motorcycles
- Honda XR500
- Honda GL500 Silver Wing
- Honda XR250R
- Honda CB450SC Nighthawk
- Honda CB400A Hawk Hondamatic
- Honda CB750F
- Honda CB400T Hawk
- Honda CB750C Custom
- Honda GL1100I Gold Wing Interstate
- Honda CX500C Custom
- Honda GL1100A Gold Wing Aspencade
- Honda CB750SC Nighthawk
- Honda CB750K
- Honda CX500D Deluxe
- Honda CB650C Custom
- Honda GL1100 Gold Wing
- Honda CB900F Super Sport
- Honda XL250S
- Honda XL500S
- Honda XR500R
- Honda CM400C Custom
- Honda CB450T Hawk
- Honda CB400T
