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Athena 47.6mm Vertical Minarelli Cylinder Kit
- Upgrades to 70cc
- Aluminum Construction with Nickel Carbide Plated Bore
- Cylinder Bore: 47.6mm
- Cylinder Sleeve Outer Diameter: 50.75mm
- Wrist Pin Diameter: 10mm
- Total Piston Height: 48mm
- Compression Height (from center of wrist pin hole to top edge of piston): 26mm
- Includes Carbon Fiber Reeds
Athena 47.6mm Air Cooled Vertical Minarelli/Yamaha Zuma Big Bore Cylinder and Head Kit. Kit includes cylinder, cylinder head, piston, ring, piston pin, cir clips, head gasket, base gasket, exhaust gasket and carbon fiber reeds.
When you use this Athena 47.6mm Big Bore Kit you will increase your total displacement to 70cc!
Fits “Pre-Bug Eye” Zuma (1989-1990, 1997-2001)
Please see our Warranty & Returns Policy.
*You may need to modify your engine case to accommodate the larger cylinder.