500cc ATV EPA / EEC Single-cylinder, water-cooled 4-Stroke Steel bottom plate,Aluminum rim,Aluminum A-swing arm Model number500cc ATVWarranty6 monthsApprovalEPA / EECEngine typeSingle-cylinder, water-cooledEngine stroke4-StrokeValve configurationSOHCBore*Stroke (mm/in)92.0*75.0 / 3.6*2.9Displacement (cc)498 / 500Compression ratio10.2:1Ignition typeDC C.D.ICarburetion typeMikuniMaximum speed(km/h) ...