Hoca Minarelli Ceramic Big Bore Racing Kit 12mm Pin, Part #169-385

Hoca Big Bore Cylinder set with Nikasil Coating for 50cc 2-stroke Minarelli engines found on many popular Street Scooters and ATVs such as Malaguti, Yamati, United Motors X-Speed, Aprilla, CPI, Benelli, Vento, Eton, Adly and many more. 47.6mm Bore. Nikasil Cylinder Sleeve for Reduced Friction and Low Wear. Heat Resistant Ceramic Coating. Race Ported. Air Cooled. Overall Height (cylinder): 88mm. Wrist Pin Diameter: 12mm. Wrist Pin Length: 36mm. Displacement: 70cc. Fits 1PE40QMB Minarelli based engines with 12mm Wrist Pin. Piston Diameter: 47.5mm.