QuadBoss Air Cut-Off Valve Kit, 420586

Improperly functioning air cut-off valves can stick open or closed, causing poor running conditions and popping during deceleration. Air Cut-Off Valve Kit includes O-rings, diaphragm, spring and screws necessary to rebuild the air cut-off valve circuit.

• Complete rebuild kit with O-rings, diaphragm, spring, and screws to restore carburetor air cut-off function
• Multi-carb models include components for all carbs; direct OEM replacement for reliable performance
• Fixes sticking valves causing poor idle, popping on deceleration, and lean running conditions
• Models with multiple carburetors include components to repair all carburetors

The QuadBoss Air Cut-Off Valve Kit is designed to rebuild the carburetor air cut-off valve circuit on select powersports applications. The kit includes O-rings, a diaphragm, a spring, and screws to help address improperly functioning valves that may stick open or closed, contributing to poor idle, poor running conditions, popping during deceleration, or lean running conditions.

This kit is listed for the 2001–2004 Suzuki VL800 Intruder Volusia and 2003–2008 Suzuki LT-Z400 QuadSport Z. For models with multiple carburetors, the kit includes components to repair all carburetors. Manufacturer part number: 420586. Vendor part number: 420586. Verify the application and carburetor configuration before installation.

Features:

• Complete rebuild kit: Includes O-rings, diaphragm, spring, and screws for rebuilding the carburetor air cut-off valve circuit.
• Restores air cut-off function: Designed to address sticking valves that can contribute to poor idle, poor running conditions, popping during deceleration, and lean running conditions.
• Multi-carburetor coverage: Models with multiple carburetors include components to repair all carburetors.
• Listed fitment: Fits 2001–2004 Suzuki VL800 Intruder Volusia and 2003–2008 Suzuki LT-Z400 QuadSport Z applications.
• Part numbers: Manufacturer and vendor part number 420586.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Clearance Item: t
Units Per Sku: 1
Fitment:
2001 Suzuki VL800 Intruder Volusia Base
2002 Suzuki VL800 Intruder Volusia Base
2003 Suzuki Lt-Z400 QuadSport Z Base
2003 Suzuki VL800 Intruder Volusia Base
2004 Suzuki Lt-Z400 QuadSport Z Base
2004 Suzuki VL800 Intruder Volusia Base
2004 Yamaha YFM350 Raptor Base
2005 Suzuki Lt-Z400 QuadSport Z Base
2005 Yamaha YFM350 Raptor Base
2006 Suzuki Lt-Z400 QuadSport Z Base
2006 Yamaha YFM350 Raptor Base
2007 Suzuki Lt-Z400 QuadSport Z Base
2007 Yamaha YFM350 Raptor Base
2008 Suzuki Lt-Z400 QuadSport Z Base
2008 Yamaha YFM350 Raptor Base
2009 Yamaha YFM350 Raptor Base
2010 Yamaha YFM350 Raptor Base
2011 Yamaha YFM350 Raptor Base
2012 Yamaha YFM350 Raptor Base
2013 Yamaha YFM350 Raptor Base