Low mileage import engines.
Mazda 12A Rotary Engine
Mazda 12A Rotary Engine For Sale
RX-3, RX-4, and the early RX-7 (SA22C)
The Complete Engine with parts including:
ENGINE
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Mazda 12A Rotary Engine experiences the innovation that started Mazda’s rotary legacy with the Mazda 12A engine, a pioneering 1.1L (1,146 cc) two-rotor Wankel rotary engine that powered some of Mazda’s most iconic vehicles, including the RX-3, RX-4, and the early RX-7 (SA22C). Furthermore Known for its high-revving powerband, compact design, and buttery-smooth performance, the Mazda 12A continues to be a favorite among rotary enthusiasts, tuners, and classic car restorers worldwide.
Moreover, this 12A Rotary Engine uses a 6-port induction system, with some versions featuring electronic fuel injection for improved efficiency and smoother throttle response. The rotary combustion design eliminates pistons, crankshafts, and valves, offering fewer moving parts and seamless acceleration throughout the rev range. Its simplicity and balance make it not only powerful but also mechanically elegant—a true masterpiece of Japanese engineering.
Like all rotary engines, the 12A requires consistent maintenance and proper care. The most common issues include apex seal wear, often caused by low oil levels or extended idling. Regularly checking and topping up engine oil is critical, as the rotary design consumes oil by design. Carbon buildup inside the rotors can also reduce performance, but this can be prevented with regular highway driving and using high-quality fuel and oil. Also cooling issues can arise if the radiator or water pump isn’t properly maintained, so keeping the cooling system clean and efficient is key to longevity.
With correct maintenance, the Mazda 12A Rotary Engine can deliver smooth, high-revving performance and legendary rotary excitement for decades making it a timeless choice for classic Mazda fans and performance builders. Each engine we supply is inspected, compression-tested, and imported directly to our warehouse, guaranteeing high quality and long-term reliability.
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