94cc high end big bore Testa R. Flanged Mount cylinder kit from Malossi. A flanged construction and large displacement ensure maximum power. Suitable for Piaggio, Gilera, Aprilia and Derbi scooters with water-cooled Piaggio 2-stroke engines (LC). It is shipped as a complete kit including cylinder head and necessary mounting parts. Warning: this cylinder kit is to be used exclusively with the C-One engine housing M.5715844. (Crankshaft with different piston rod to the original). A larger carburetor and a racing exhaust system is recommended. Bore size: 52mm diameter, gudgeon pin:13mm, stroke 44mm, recommended crankshaft: M.5316029.