Product Description
The 16F0100201 kit by Endurance Group (an ISO/TS 16949 certified OEM supplier) is engineered to replace the entire internal clutch mechanism. Over years of use, the clutch hub can develop “notches” and the pressure plates can warp,leading to gear dragging, hard shifting, or the common “clutch slip” where the engine revs but the bike doesn’t accelerate.
This assembly is optimized for the 4-speed gearbox architecture. It utilizes a 5-spline clutch center hub and features specialized friction materials that can handle the heavy torque pulses of the 350cc and 500cc Cast Iron engines. By replacing the hub, center, pressure plate, and friction discs as a single balanced unit, you eliminate the mechanical “chatter” and uneven wear often found when replacing only individual plates.
Key Components (Set of 4):
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Clutch Hub (Outer): Precision-machined housing that holds the plate stack and interfaces with the primary chain drive.
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Clutch Center (Inner): Features the 5-spline internal geometry for secure shaft engagement.
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Pressure Plate: High-tensile plate that applies uniform clamping force across the friction stack.
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Friction & Steel Plate Kit: Includes the 4-piece friction disc set (Part No. 597050/597383) and corresponding steel plates for a complete refresh.
Key Features:
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OE Performance: Manufactured by Endurance, the same group that supplies original factory components to leading motorcycle brands.
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5-Spline Precision: Designed specifically for the classic transmission shafts of vintage Enfields to ensure zero play.
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Enhanced Heat Dissipation: The pressure and friction plates are designed to withstand the high thermal stress of heavy city traffic without warping.
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Progressive Bite: Offers a smoother “engagement zone,” reducing the harsh mechanical clunking often associated with old-school clutches.
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Anti-Corrosion Coating: The steel components are treated to resist rust and oil-sludge buildup inside the primary case.
Technical Specifications:
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Part Number: 16F0100201 (also associated with assembly kit 145976)
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Brand: Endurance Group
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Engine Type: 350cc / 500cc Cast Iron (CI)
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Configuration: 4 Friction Plates / 4 Steel Plates
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Hub Type: 5-Spline
Vehicle Compatibility:
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Royal Enfield Bullet 350 Standard (Cast Iron, 1955 – Oct 2010)
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Royal Enfield Electra 4-Speed (Kick Start & Electric Start CI, 2005 – 2010)
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Royal Enfield Bullet 500cc (Cast Iron, 2000 – 2007)
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Royal Enfield Machismo 350 (Cast Iron / AVL Hybrid Models)
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Note: This 4-plate/5-spline assembly is NOT compatible with the newer J-Series (Meteor/Reborn) or the 5-plate UCE (Classic/Standard 2010-2021) systems.











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