At idle the throttle cables bottom against adjustable stops on the carburetors. It is important that they stop equally or the engine runs rough and this is bad for the gearbox dogs. Over time the carburetor stops bend and the idle becomes rough. I prefer […]
Engine
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1 Inch Balance Tube
The 912ULS has two carburetors each carburetor supplies fuel / air to only one side of the engine. If they don’t supply exactly equal mixtures then the engine will run rough. This is the reason we do carburetor balancing. I believed if the balance tube […]