Another thing you can do to prevent issues is drain the carburetor fuel bowl (after shutting off the fuel petcock). Should be a screw on the bottom of it with a hose. Carburetors are vented to the air and what creates the problem is ethanol pulls moisture to it from the air and will coagulate as a Vaseline like substance in the carb. The tank is more sealed. Might take longer than few weeks though.
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