Walbro WB3A Carburetor – Easitune Edition (KT100S & J)
Simplified Tuning. Race-Ready Response. Built for Dirt Karting Precision. The Easitune WB3A is a modified version of the standard Walbro carburetor, designed to streamline tuning for Yamaha KT100S/J engines in AIDKA formats. With enhanced adjustability and consistent fuel delivery, it’s ideal for racers who want quick, predictable changes without compromising performance.
Key Features:
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✅ Fitment: Yamaha AIDKA KT- Junior (J) and KT-open classes
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✅ Fuel Circuit: Single-needle metering – Easitune spec for smoother adjustment
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✅ Venturi Size: 24mm – optimized for KT100S airflow
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✅ Material: Cast alloy body – durable and rebuildable
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✅ Tuning: Easitune needle – broader adjustment range, easier to dial in
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✅ Finish: Factory silver – clean, unbranded look
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✅ Compliance: Meets AIDKA KT class specifications
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