High quality spare parts from the MXT series! The voltage regulator has the task of compensating for electrical voltages and fluctuations in battery or mains voltage. The Maxtuned voltage regulators in original equipment quality are perfect as replacement for defective, original voltage regulators! These can be recognized among other things: - Flickering low beam- incandescent lamps constantly burn through- battery is constantly empty/is not recharged Here type 1: combi plug, 4 pins, 50-150ccm Please compare the number of pins and the shape of the regulator with the old part before buying, as there are different designs! .