Indispensable in extreme conditions, this fan provides more air, ensuring better cooling and maximum power. Its in your own hands: With the digital control unit, you can adjust the activation temperature to suit prevailing conditions and read the current temperature at any time. The freely selectable activation temperature lies between 65°C and 95°C. The deactivation temperature is adjusted automatically and always lies 1°C below the selected activation temperature. Auxiliary wiring harness 777.11.979.000 is required for installation on 2-stroke models and Y-distributor 777.11.979.010 is necessary on the 4-stroke models.