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  1. RETROL Single Cylinder Engine.jpg

    RETROL Single Cylinder Engine.jpg

    2.2cc Mini Evaporative Water-cooled Single-cylinder Four-Stroke Gasoline Engine Internal Combustion Engine Model. Outstanding Performance - Adopt evaporative water-cooling method, use adjustable speed carburetor, rotating speed up to 12000rpm. When you power up the engine, a little violent beast is