Naraku replacement 50cc cylinder kit for Piaggio powered air cooled 2-stroke scooters. Kit includes cylinder, molybdenum coated piston, rings, piston pin, cir clips, head gasket, base gasket, and exhaust gasket. 

• Cylinder Bore: 39.7mm
• Cylinder Sleeve Outer Diameter: 50.55mm 
• Wrist Pin Diameter: 12mm
• Total Piston Height: 54mm

Fits the following 2-stroke models: 

• Aprilia Scarabeo 50
• Aprilia Mojito/Habana 50
• Piaggio Zip
• Piaggio Liberty 50
• Piaggio Fly 50
• Vespa ET2
• Vespa LX50
• Vespa S50
• Vespa Primavera