π Walbro WB3A Carburetor β KT100S (AIDKA Spec)
Factory Spec. Dirt-Proven. Built for KT100S Performance. The Walbro WB3A is the original carburetor supplied with Yamaha KT100S engines, trusted across AIDKA dirt karting for consistent fuel delivery and reliable throttle response. Ideal for KT-standard and KT-open formats, itβs the go-to choice for racers chasing OEM performance and easy tuning.
Key Features:
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Fitment: Yamaha KT100SΒ
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Fuel Circuit: Single-needle metering β simple and effective
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Venturi Size: 24mm β optimized for KT100S airflow
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Material: Cast alloy body β durable and rebuildable
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Tuning: Adjustable high-speed needle β fine fuel control
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Compliance: Meets AIDKA KT class specifications
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