Naraku 70cc Performance Cylinder for AC Minarelli

DESCRIPTION: Naraku 70cc Air Cooled Horizontal Minarelli Big Bore Cylinder Kit. Kit includes cylinder, low-friction molybdenum coated piston, piston rings, 10mm piston pin, cir clips, head gasket, base gasket and exhaust gasket.When used in conjunction with a stock crankshaft the total displacement comes out to 70cc. Suitable for use with stock or performance exhaust. Can be used with a stock cylinder head for higher compression or larger 70cc head. If used with a stock head the electric starter may have trouble turning over the engine.Fits the following models and more with horizontal Minarelli engine: Adly: Thunder Bike 50 Aprilia: Scarabeo 50 (93-06), SR50 (94-02) Benelli: Pepe 50, Andretti 50 CPI: Oliver 50, Hussar 50, Popcorn 50 E-Ton: Beamer 2 Genuine: Roughhouse 50, Buddy 50 Malaguti: Ciak 50, F10, F12 AC, F15 AC, Yesterday 50 MuZ/MZ-Moskito: RX50, SX50 Yamaha: Jog 50 (92-01), Zuma (02-11), Vino 2T *You may need to modify your engine case to accommodate the larger cylinder. Upgrades to 70ccCylinder Bore: 47mmCylinder Sleeve Outer Diameter: 50.5mm Wrist Pin Diameter: 10mmDoes Not Include Wrist Pin BearingAprilia, Eton, Genuine Buddy 50, Genuine Roughhouse 50, Malaguti Ciak 50 (49cc) ’02-’05, Malaguti Yesterday (49cc) ’01-’06, Yamaha