K&S TECHNOLOGIES
Carburetor Air Cut-Off Valve Kit - Honda
Part # 1003-1938
$44.95
Earn store credit on this purchase
Out of Stock
- 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
Customer Reviews
No reviews yet — be the first to review this part.
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.
More from K&S TECHNOLOGIES
K&S TECHNOLOGIES · 12-0020
K&S TECHNOLOGIES 12-0020 Hydraulic Brake Light Switch - 3/8" - Chrome
In Stock$41.95
K&S TECHNOLOGIES · 12-1209
K&S TECHNOLOGIES 12-1209 Turn Signal Stem - Honda
In Stock$16.95
K&S TECHNOLOGIES · 2104-0391
K&S TECHNOLOGIES 2104-0391 Spark Plug Cover - Resistor - 14 mm - Red
In Stock$10.95
K&S TECHNOLOGIES · 2020-1010
K&S TECHNOLOGIES 2020-1010 Turn Signal - Rear - Kawasaki
In Stock$47.95
K&S TECHNOLOGIES · 1003-0301
K&S TECHNOLOGIES 1003-0301 Carburetor Air Cut-Off Valve Set - Kawasaki/Suzuki
In Stock$31.95
K&S TECHNOLOGIES · 0705-0110
K&S TECHNOLOGIES 0705-0110 Fuel Petcock Repair Kit - Kawasaki/Suzuki/Yamaha
In Stock$22.95
K&S TECHNOLOGIES · 0407-0570
K&S TECHNOLOGIES 0407-0570 Fork Seals - 43 mm x 54 mm x 11 mm
In Stock$17.95
K&S TECHNOLOGIES · 0407-0579
K&S TECHNOLOGIES 0407-0579 Fork Seals - 49 mm x 60 mm x 10 mm
In Stock$17.95
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