The Italkit Racing 140cc cylinder kit for Rotax 122 and 123 engines even trumps the Polini kit in terms of efficiency. The cylinder is cast by Gilardoni from aluminium with Nikasil coating. Thanks to a perfect tuning, the combination with the V-Force reed block offers the maximum power of 38 HP. In terms of technical data, the kit provides you with a 57 mm bore, a 54.5 mm stroke, a 139 cc displacement, a compression ratio of 12.58:1 and a pinch point of 1.10 mm. Besides the cylinder, the kit contains a light Vertex piston with molybdenum sulphide coating, a heat treated piston ring, piston pin with clips, sealing material and a Spanish data sheet.
Displacement: 139 cc
combustion chamber volume: 12cc
pinch point: 1.10 mm
Power according to Italkit: 38 PS (setup not known)