K&S TECHNOLOGIES
Carburetor Air Cut-Off Valve Kit - Yamaha
Part # 1003-1990
$29.95
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
Confirmed fit for 37 motorcycle configurations across Yamaha, model years 2000–2013.
| Years | Make & Model |
|---|---|
| 2004-2009 Yamaha | YFZ450 |
| 2001-2013 Yamaha | WR250F |
| 2003-2011 Yamaha | WR450F |
| 2001-2002 Yamaha | WR426F |
| 2000 Yamaha | WR400F |
| 2006-2011 Yamaha | XC50 Vino 50 Classic |
- Located on the side of the carburetor the air cut off valve prevents lean fuel mixture (backfire) when decelerating
- Direct OE style replacement carburetor air cut off valve set. Includes; diaphragm, spring and O-ring
- Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes
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Overview
The K&S TECHNOLOGIES 1003-1990: Carburetor Air Cut-Off Valve Kit - Yamaha. Confirmed fit for 37 motorcycle configurations across Yamaha, model years 2000–2013. 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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OEM cross-references
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