
This is an authentic OEM Honda engine cylinder head assembly designed for liquid-cooled 125cc two-stroke motorcycles. It forms the upper combustion chamber, helping control compression, heat transfer, and coolant flow. Key Features * OEM Honda cylinder head assembly * Casting mark: 320 * Material: Cast aluminum alloy * Central threaded spark plug port * Integrated coolant outlet flange * Threaded mount for coolant temperature sensor * Designed for liquid-cooled 125cc two-stroke engines * Factory-style 5-stud mounting layout Compatibility * Honda NSR125R JC20 — 1990–1994 * Honda NSR125F / F II JC20 — 1988–1993 * Honda CRM125 2-Stroke — 1990–1994 This cylinder head is associated with early Honda JC20-generation 125cc two-stroke engines. Compatibility with later JC22 models should be checked by comparing mounting points, combustion chamber dimensions, coolant passages, and casting details before installation.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used surface cleaner
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Estimated delivery: 2-5 business days
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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