The TM Racing 2019 250cc/300cc engines variants are comprehensively updated engine packages that will feature in many models throughout the range.
All new castings, new cases, new ancillary covers, new cylinder, etc. Electric start. Fi variants. New TMEES powervalve control system with a direct ‘shaft’ link on a ‘servo saver’ type arrangement. Balancer shaft. New crankshaft. Revised gearbox assembly. New shifter mechanism. New kick-start mechanism (retained even with ES). New ignition stator and flywheel assembly (4S type).