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This is an authentic OEM liquid-cooled engine cylinder head casting, marked 209, designed for early Aprilia 50cc motorcycles using Minarelli AM-series 2-stroke engines. The inner face features an offset combustion chamber profile with a machined perimeter groove for the factory O-ring seal. This design helps separate the coolant jacket from the combustion chamber while maintaining proper cylinder-head sealing. * Material: Die-cast aluminum alloy * Casting Mark: 209 * Engine Type: Liquid-cooled Minarelli 2-stroke Compatible Models & Years * Aprilia RS 50 (1991–1992) — RV4 / AM3 * Aprilia RS 50 Extrema (1993–1995) — AM5 * Aprilia RS 50 (1996–1997) — AM6 * Aprilia AF1 50 Futura (1991–1992) * Aprilia Pegaso 50 — early 1990s * Aprilia Tuono 50 — early models Verify the original cylinder-head mounting and engine configuration before purchase.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used anti rust
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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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