Hoca Minarelli Ceramic Big Bore Racing Kit 10mm Pin, Part #169-331
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. This is a bolt on Hoca 47.6mm Ceramic Air Cooled Cylinder Kit that has a single compression ring which allows for a higher RPM due to reduced friction and improved cooling. 47.6mm Bore. Nikasil Cylinder Sleeve for Reduced Friction and Low Wear. Single Compression Ring for Higher RPM. Heat Resistant Ceramic Coating. Race Ported. Air Cooled. Overall Height (cylinder): 88mm. Wrist Pin Diameter: 10mm. Wrist Pin Length: 37.6mm. Displacement: 70cc. Fits 1PE40QMB Minarelli based engines with 10mm wrist pin. Piston Diameter: 47.5mm.