Athena Big Bore Cylinder Kit 70cc Bolt-On 47.6mm Bore Scooter For Sale - New and Used

• Big Bore Cylinder Kit (70cc Bolt On) with 47.6mm bore
• Aluminum cylinder with nickel-caroffere coating and larger water jackets
• Includes forged piston, rings, clips and pin
• Athena top-end gasket set includes required seals and hardware
• Domed piston head
• Includes carbon reeds and required top-end gaskets
• Bolt-on installation; no machining required except where noted
• Easy-to-follow step-by-step installation instructions
• Recommended: use Athena\'s 17.5mm or 19mm Scooter carburetor with this bolt-on big bore kit
• Can be installed without changing the engine crankcase

Fits the following:

• Yamaha Big Wheel 50 BW50: 2012
• Yamaha Jog 50 CY50: 1999-2000
• Yamaha Vino 50 YJ50: 2002-2004
• Yamaha Vino Classic 50 YJ50RA: 2002-2005
• Yamaha Zuma II 50 CW50: 1997-2001

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