B bertsmobile1 Lawn Royalty Apr 2, 2019 #2 Surging on a governed engine is always caused by an air fuel ratio that is too lean to support the engine running at the speed it is surging to. Only 2 reasons for that 1) not enough fuel 2) air entering between the carb & inlet valve.
Surging on a governed engine is always caused by an air fuel ratio that is too lean to support the engine running at the speed it is surging to. Only 2 reasons for that 1) not enough fuel 2) air entering between the carb & inlet valve.
