The Honda Genuine Crankshaft Oil Seal (Part No. 91202-K24-901) is a high-performance internal powertrain sealing component engineered specifically for Honda’s latest generation of BS6-compliant automatic scooters. Positioned on the left-hand (LH) side of the engine crankcase directly behind the front variator assembly (Face Drive), this precision seal is the primary defense line for the engine’s lower power unit.
This component is engineered to isolate the fast-spinning crankshaft journal on the transmission side. Its critical job is to contain pressurized engine oil inside the crankcase while keeping the dry Continuously Variable Transmission (CVT) belt chamber entirely free of oil mist and grease. Utilizing this authentic Honda replacement part guarantees absolute dimensional sealing and specialized high-heat elasticity under high RPMs, completely preventing CVT belt slippage, power loss, and premature clutch wear.
Key Features:
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100% Honda Genuine Transmission Spares: Factory-original left-side crankshaft oil seal verified by strict OEM label tracking benchmarks.
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Upgraded BS6 Platform Elastomer: Formulated from an advanced synthetic rubber compound built to endure intense, localized engine temperatures and continuous chemical contact with hot engine oil without hardening or shrinking.
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Integrated Heavy-Duty Garter Spring: Equipped with a precision internal steel tension spring that wraps tightly around the moving crankshaft journal, maintaining a uniform radial seal at both low idle and peak revs.
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Dual-Lip Protective Architecture: Designed with a robust primary sealing lip to contain engine oil under crankcase pressure and an external secondary dust lip to deflect destructive CVT belt dust and rubber debris away from the inner engine block.
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Exact Dimensional Blueprint Fit: Machined to strict factory specifications ( configuration) for a tight, distortion-free press-fit inside the left-hand engine crankcase bore of modern Honda fuel-injected engines.
Technical Specifications:
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Brand: Honda Genuine Parts
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Part Number: 91202-K24-901 (Also matches sub-codes like 91202K24901)
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Component: Crankshaft Oil Seal (Left-Hand / Variator Side)
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Dimensions:
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Material: Premium Heat-Resistant Synthetic Rubber / Viton Alloy with Tensioning Spring
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Country of Origin: India
Scooter Compatibility
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Honda Activa 6G 110cc: All models and variants (Standard, Deluxe, and H-Smart editions).
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Honda Activa 125cc BS6: Modern fuel-injected generations utilizing the updated engine casing layout.
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Honda Dio 110cc / 125cc BS6: Fits newer fuel-injected models sharing the standard Honda global CVT architecture.










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