TPR Racing 86cc kit Minarelli Horizontal Liquid cooled 12mm wrist pin

    Top Performances has responded to popular demand and assembled a tuning kit,  for a very good price: the Top Performances 86cc Tuning Kit (cylinder + 44mm stroke crankshaft) MBK Nitro / Aerox (Minarelli horizontal LC). With an excellent reputation regarding geared mopeds/mecaboites already established, Top Performances came up with this 86cc Aluminium Tuning Kit for scooters with horizontal Minarelli LC engines (MBK Nitro, Yamaha Aerox, etc.). The cylinder is made of Nikasil-plated aluminium with a 50mm diameter and 44mm stroke, has 6 transfer ports, a bridged exhaust port and a modular high compression cylinder head. The exhaust port is very "large" across its entire width giving it a unique look. Special attention was also given to the cylinder's external surface with a cooling canal enclosing the entire exhaust port for optimum cooling. The crankshaft included in this Top Performances 86cc Tuning Kit MBK Nitro / Aerox is a reinforced full-circle racing crankshaft with "extende