Athena 47.6mm Liquid Cooled Horizontal Minarelli Big Bore Cylinder and Head Kit. Kit includes cylinder, cylinder head, piston, ring, piston pin, cir clips, head gasket, base gasket, exhaust gasket, o-rings and carbon fiber reeds.
When you use this Athena 47.6mm Big Bore Kit you will increase your total displacement to 70cc!
Please see our Warranty & Returns Policy.
*You may need to modify your engine case to accommodate the larger cylinder.
- Upgrades to 70cc
- Aluminum Construction with Nickel Carbide Plated Bore
- Cylinder Bore: 47.6mm
- Cylinder Sleeve Outer Diameter: 50.65mm
- Wrist Pin Diameter: 10mm
- Total Piston Height: 49mm
- Compression Height (from center of wrist pin hole to top edge of piston): 26mm
- Includes Carbon Fiber Reeds