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In this paper, a DC/DC power converter devoted to electrical motor drive in motorbike racing application is designed and simulated in MATLAB Simulink environment, along with its control logic strategy. In particular, we conceived, developed and simulated a thermal control strategy, to be implemented as the logic core of the power converter, which dynamically and automatically fits the electric power fed to motor, depending on its actual temperature. As a result, motor burnout during the race is avoided, improving the power train reliability without affecting the racing performance. Simulation results, in which the whole power train system was modeled in Simulink, confirmed the proposed algorithm effectiveness.