The Pinasco Power Casing Engine Case for Piaggio Moped has been designed to accommodate a crankshaft with the valve side shoulder 5mm wider than the original, with 43mm and 46mm stroke, rotary valve intake with interchangeable manifolds of 13mm (provided), 21mm (optional) and additional CNC machined transfer ports. The kit is available in 2 distinct versions, Valve and Reed for thermal units with a bore of 43mm and 46mm and is supplied with the dedicated crankshaft and all assembly accessories.