The Royal Enfield Genuine Kick Starter Shaft Assembly (Part No. 140337) is a heavy-duty Original Equipment (OE) component that serves as the primary manual starting mechanism for the motorcycle. This complete assembly is engineered to translate the physical force of the kick into the rotational energy needed to turn the crankshaft and fire the engine.
Precision-manufactured from high-tensile forged steel, this shaft assembly is designed to handle repetitive high-impact loads. It includes the splined shaft, integrated ratchet mechanism, and return spring seating, ensuring that the lever returns smoothly to its original position after every kick. Using this genuine factory assembly prevents common issues like “kickback,” slipping gears, or a stuck lever that often occur with non-genuine internal engine parts.
Key Features:
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100% Genuine Part: Authentic Royal Enfield replacement assembly as verified by official factory packaging.
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Heavy-Duty Construction: Forged from high-grade alloy steel for maximum resistance against shearing and splines stripping.
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Precision Ratchet Mechanism: Ensures immediate engagement with the transmission gears for reliable, first-kick starting.
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Factory-Spec Splines: Perfectly matched to the original kick start lever to prevent loosening or wobbling over time.
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Smooth Operation: Designed to provide a consistent mechanical feel and quick return action.
Technical Specifications:
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Brand: Royal Enfield Genuine
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Part Number: 140337
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Component: Kick Starter Shaft Assembly
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Material: High-Strength Forged Steel
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MRP: ₹1,365.00 (Incl. of all taxes)
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Country of Origin: India
Motorcycle Compatibility
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Royal Enfield Classic 350 / 500 (All UCE Models)
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Royal Enfield Bullet 350 / 500 / ES (UCE Models)
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Royal Enfield Thunderbird 350 / 500
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Royal Enfield Electra 350











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