Moose Offroad 1003‑1784 Choke Plunger Rebuild Kit – Fits Honda TRX350FM Rancher 4x4, TRX300FW FourTrax 4x4 & TRX300 FourTrax

OVERVIEW

The Moose Racing 1003-1784 Choke Plunger Rebuild Kit restores proper cold-start operation and steady fuel-air mixing for vintage carbureted ATVs. Engineered as a complete assembly replacement, this component set upgrades worn OEM internals with precision-milled springs, reinforced synthetic seals, and polished guide sleeves. Built for reliable utility-vehicle operation, it delivers an exact-mount solution that prevents common carburetor stalling in rugged environments.

ENGINEERING & PERFORMANCE

Choke plungers commonly bind when carbon deposits restrict travel or when degraded O-rings starve the vacuum system. Every unit ships with complete reconditioning hardware, including fresh elastomeric seals, high-tension return springs, stainless retaining nuts, protective rubber boots, and accurately dimensioned guide rings. The blended alloy and engineered polymer construction withstands gasoline exposure, thermal cycling, and chassis vibration while preserving accurate choke positioning for dependable morning starts.

KEY FEATURES

• Complete carburetor part and rebuild kit assembly for Honda four-wheeler air-cooled engines
• Direct-replacement OEM-style design ensures correct dimensional tolerances and secure mounting alignment
• Restores reliable choke plunger motion, eliminating binding caused by varnish buildup or failed seals
• Fuel-system compatibility strictly optimized for carbureted applications (electronic fuel injection systems are incompatible)
• Covers multiple compatible model lines, simplifying workshop stocking and project timelines
• Includes all necessary fasteners, extension springs, retainers, boots, and guide sleeves for thorough reassembly
• Maintains long-term durability through repeated cold-start cycles standard on trail and utility rigs

TECHNICAL SPECIFICATIONS

• Brand: Moose Racing
• Part Name: 1003-1784 Choke Plunger Rebuild Kit
• Component Type: Carburetor Part / Rebuild Kit
• Material: Engineered synthetic seals, spring steel, aluminum, and reinforced polymers
• Supported Years: 1994–2000
• Compatible Trims: Standard and 4x4 off-highway utility configurations

FITMENT

• Honda TRX350FM Rancher 4x4 (2000–2006)
• Honda TRX300FW FourTrax 4x4 (1994–2000)
• Honda TRX300 FourTrax (1994–2000)

WHY RIDERS CHOOSE THIS

Trail users prefer this rebuild kit because it fixes chronic starting hesitation without swapping entire carburetors or sacrificing throttle responsiveness. The inclusion of factory-tolerant seals and hardened guide sleeves keeps the choke mechanism free-moving despite heavy mud, grit, and constant vibration found on working farm rigs. Direct mechanical replacement restores accurate lean-to-rich transitions, guaranteeing consistent spark combustion during damp conditions. Because it targets exactly where stock assemblies fail, the kit extends engine service intervals and keeps aging Honda four-wheelers running smoothly year after year.