125cc 144cc Engines Hand finished crankcases with water cooling of the crankshaft area of the engine cases Lightweight and die cast clutch casing clutch inspection water pump and ignition covers Aluminium water pump rotor Billet machined crankshafts running on roller bearings with hi tech crank seals Machine finished treated con rod Friction reduction coated pistons High performance long lasting clutches Cush drive clutch baskets Friction reduction hard coated gearbox selector fork tips Hardened treated gear shaft parts revised main shaft 6 speed gearboxes with differing low top ratios for MX EN models V Force reed blocks Hydraulic clutch actuation TMEES electronic exhaust valve control High performance exhaust systems Keihin carburettors Kokusan digital variable advance ignitions Emoticon ECU controlled ignitions for fuelling on Fi and ES models The legendary TM Racing 125cc and 144cc 2 stroke engines are synonymous with performance combined with some incredible technical innovations the latest evolution of engines are designed and constructed from some of the best materials and feature some of the best ancillary components available as standard fitment The latest generation of this all new small capacity engine now features electric start alongside fuel injection option on 125 models TM Racing have created small capacity engines with outstanding power characteristics greater than their actual capacity would suggest alongside superb reliability to give class leading performance from the outset time and time again The TMEES electronically controlled exhaust valve with a direct drive rod system remains a well proven and reliable system which was a welcome update to these small capacity engines The direct drive TMEES system gives better response with a gain in power torque at the lower range whilst strengthening the mid top end performance of the engine The TMEES system electronics have been profiled to work seamlessly with the engine electronics to ensure power torque and responsiveness is always at its best for each given discipline 144cc variants have received small but significant revisions for the new model year in terms of engine set up These new changes work alongside updated electronic programming designed to maximise the performance of the engine in all guises
