

Specifications
- Brand
- QuadBoss
- Part #
- 420588
- UPC
- 887337432090

QuadBoss 07-09 Yamaha YFM250 Big Bear Air Cut-Off Valve Kit
$33.78
QuadBoss 07-09 Yamaha YFM250 Big Bear Air Cut-Off Valve Kit. Fixes poor running and popping by rebuilding the air cut-off valve.
Key Features
- Fits 2007-2009 Yamaha YFM250 Big Bear, 2007-2011 Yamaha YFM350 Grizzly IRS 4x4 Auto, 2000-2004 Yamaha YFM400 Big Bear 2x4, 2000-2006 Yamaha YFM400 Big Bear 4x4, 2007-2012 Yamaha YFM400 Big Bear IRS 4x4, 2001-2002 Yamaha YFM400F Kodiak 4x4, and 2001-2005 Yamaha YFM660R Raptor.
- Includes O-rings, diaphragm, spring, and screws needed to rebuild the air cut-off valve.
- Components are included to repair all carburetors on models equipped with multiple carburetors.
- Addresses issues like sticking open or closed valves, poor running conditions, and popping during deceleration.
Product Details
This air cut-off valve kit uses a diaphragm, spring, O-rings, and screws to help you rebuild the air cut-off valve circuit on your Yamaha ATV. When these valves don't work right, they can stick open or closed, leading to rough running and that annoying popping sound when you let off the throttle.
QuadBoss designed this kit to get your air cut-off valve working smoothly again. If your model has multiple carburetors, this kit includes all the necessary components to repair all of them. It's a well-built solution to get your engine running right and sounding better on deceleration.
This kit is compatible with a range of Yamaha models, including the YFM250 Big Bear, YFM350 Grizzly IRS 4x4 Auto, and YFM660R Raptor. Make sure to check the fitment details to confirm it's the right part for your specific machine.
Specifications
- Brand
- QuadBoss
- Manufacturer Part #
- 420588
- UPC
- 887337432090
Frequently Asked Questions
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QuadBoss 07-09 Yamaha YFM250 Big Bear Air Cut-Off Valve Kit




