Moose Offroad 1003‑1791 Choke Plunger Rebuild Kit – Fits Polaris Sportsman 300/335/400/400 HO/450/500/500 HO, Trail Boss 325/330, Trail Blazer 330, Hawkeye 300/400 HO, Scrambler 500, Magnum 325/330/425/500, Xpedition 325/425, Worker 335/500, ATP 330

OVERVIEW

This Moose Racing choke plunger rebuild repair kit restores reliable carburetor mixture flow by replacing degraded sealing surfaces that commonly fail as engines age. Designed specifically for Polaris ATVs, the package provides precision O-rings, hardened steel springs, retaining nuts, protective boots, and cable guides to complete a thorough carburetor overhaul. Each component follows factory specifications to ensure accurate idle tuning and proper choke engagement.

ENGINEERING & PERFORMANCE

The bundled seals and calibrated springs work together to maintain consistent vacuum integrity while preventing stiff linkage movement during cold starts. Built with chemically stable rubber compounds and corrosion-resistant metal hardware, the internals resist breakdown from modern ethanol blends and extended heat cycles. Every part adheres to exact OEM dimensions to guarantee proper cable path routing and plunger travel. This comprehensive layout allows technicians to replace worn internals quickly, restoring smooth throttle response without ordering mismatched aftermarket hardware.

KEY FEATURES

• Precise O-rings designed to eliminate vacuum leaks at the choke plunger interface
• High-tension return springs engineered for durable operation across seasonal temperature shifts
• Includes retaining nuts, protective boots, and cable guides for complete assembly recovery
• Comprehensive kit prevents missing or lost fasteners during carburetor disassembly
• Resolves seized or binding choke mechanisms caused by deteriorated factory seals
• Supplies separate rebuild sets for dual-carburetor models requiring independent servicing
• Direct equipment replacement matching original mounting geometry and stroke length
• Targeted engineering optimized exclusively for Polaris ATV carburetor layouts

TECHNICAL SPECIFICATIONS

• Brand: Moose Racing
• Part Name: Choke Plunger Rebuild Repair Kit
• Component Type: Carburetor rebuild repair kit
• Material Composition: Rubber O-rings, steel springs, retaining nuts, plastic/ceramic boots, cable guide
• Supported Years: 1995–2014
• Compatible Trims: Sportsman, Trail Boss, Hawkeye, Scrambler, Trail Blazer, Magnum, Xpedition, Worker, Xplorer, ATP

FITMENT

• • Polaris Sportsman 400 (2002, 2003–2005)
• • Polaris Sportsman 400 H.O. 4x4 (2008–2014)
• • Polaris Sportsman 300 4x4 (2008–2010)
• • Polaris Sportsman 335 (1999–2000)
• • Polaris Sportsman 450 (2006)
• • Polaris Sportsman 500 (1996–2000)
• • Polaris Sportsman 500 H.O. (2000–2002, 2003–2004, 2006, 2008–2013)
• • Polaris Sportsman 500 H.O. DUSE 4x4 (2001)
• • Polaris Sportsman 500 RSE Remington Special Ed. 4x4 (2000)
• • Polaris Trail Boss 325 (2000–2002)
• • Polaris Trail Boss 330 (2000–2013)
• • Polaris Hawkeye 300 4x2 (2006–2011)
• • Polaris Hawkeye 300 4x4 (2006–2007)
• • Polaris Hawkeye 300 Camo 4x4 (2006)
• • Polaris Hawkeye 300 LE Red 4x4 (2007)
• • Polaris Hawkeye 400 H.O. 4x2 (2011)
• • Polaris Scrambler 500 4x2 (2001–2002)
• • Polaris Scrambler 500 4x4 (1997–2012)
• • Polaris Trail Blazer 330 (2008–2013)
• • Polaris Magnum 325 4x2 (2000–2002)
• • Polaris Magnum 325 4x4 (2000–2002)
• • Polaris Magnum 330 4x4 (2005)
• • Polaris Magnum 425 4x2 (1995–1998)
• • Polaris Magnum 425 4x4 (1995–1998)
• • Polaris Magnum 500 4x4 (2000–2002)
• • Polaris Xpedition 325 (2000–2002)
• • Polaris Xpedition 425 (2000–2002)
• • Polaris Worker 335 (1999)
• • Polaris Worker 500 4x4 (2001)
• • Polaris Xplorer 500 (1997)
• • Polaris ATP 330 4x4 (2004–2005)

WHY RIDERS CHOOSE THIS

Riders choose this rebuild kit because it delivers every sealing surface and mechanical fastener required to restore predictable carburetor behavior without guessing about missing hardware. The tightly controlled spring rates and chemically resistant O-rings maintain consistent plunger clearance, which directly improves cold-start reliability and prevents the erratic idle symptoms common in aging Polaris ATVs. Providing dedicated hardware for dual-plunger setups removes the headache of tracking down individual components mid-build, keeping repairs straightforward and repeatable. This focused design ensures proper fuel-air mixture control across the entire model lineup while extending service intervals before major carburetor overhauls become necessary.