3W Dual Magnet Sensor is a Hall effect pick-up sensor designed specifically to provide precise ignition timing for 3W RC gas engines.
It acts as the trigger mechanism for your electronic CDI, sending a signal when the magnets on the propeller hub pass the sensor.
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Compatibility: Fits 3W engines equipped with a dual magnet system.
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Fitment Requirement: Requires exactly a 16 mm distance measured from the center of the magnet to the center of one of the mounting screws on the engine case.





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