The Royal Enfield Genuine Sprocket Comp Engine (Part No. RLL00003/B) is a high-precision internal engine component engineered explicitly for Royal Enfield’s modern J-Series 350cc SOHC engine platform. Positioned directly on the crankshaft assembly, this critical engine sprocket serves as the foundational drive gear that spins the internal timing chain mechanism, synchronizing the lower-end crankshaft rotation perfectly with the overhead camshaft valvetrain.
As verified by the official packaging barcode label in image_187c1e.png and shown in the close-up structural layout in image_188288.png, this sprocket component is engineered with precise tooth profiles to reduce friction and eliminate micro-slack. Utilizing the authentic RLL00003/B crankshaft sprocket guarantees silent operation, exact valve timing intervals, and optimal mechanical efficiency, completely avoiding the early teeth pitting, timing chain stretching, or catastrophic engine detuning common with low-grade aftermarket replicas.
Key Features:
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100% Genuine J-Series Engine Component: Authentic factory-original crankshaft drive hardware replacement piece as verified by the OEM label in image_187c1e.png.
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Micro-Engineered Tooth Profiles: Designed to mesh seamlessly with the factory timing chain, drastically minimizing rolling friction and structural power loss.
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Forged & Heat-Treated Metallurgy: Advanced hardened steel alloy composition built to withstand immense torsional stress and continuous high-RPM thermal cycles inside the engine block.
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Maintains Exact Valve Timing: Ensures absolute synchronization between the pistons and valves, protecting the SOHC head configuration from timing synchronization issues.
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Flawless Center Journal Bore: Machined to strict micron-level tolerances for a perfect, play-free interference fit onto the crankshaft snout.
Technical Specifications:
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Brand: Royal Enfield Genuine
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Part Number: RLL00003/B
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Component: Sprocket Comp Engine / Crankshaft Timing Chain Drive Gear
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Engine Platform: Next-Gen J-Series 350cc SOHC
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Material: Micro-Forged Case-Hardened Carbon Steel Alloy
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Country of Origin: India
Motorcycle Compatibility
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Royal Enfield Classic 350 (Next-Generation J-Series / Reborn Models, 2021-Present)
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Royal Enfield Meteor 350 (All J-Series Variants)
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Royal Enfield Hunter 350 (All Variants Metro / Retro)
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Royal Enfield Bullet 350 (New Generation J-Series Platforms)











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