DYNATEK Allumage pour 250 honda TRX 250 FOURTRAX de 1985 à 1987Ignition for 250 honda TRX 250 FOURTRAX from 1985 to 1987 Specific ignition for quads to optimize ignition and fuel consumption. This Dyna FS box allows you to modify the ignition advance according to the engine speed and push back the original cut off limit. Thanks to this Dyna FS you will experience an increase in power and torque, reduced reaction time. Has 4 available ignition curves (depending on model). It integrates different options such as