One hose will be from the advance ****** ignition timing automatic adjuster and the other a vacuum point to clear the crank case of fumes. Otherwise you have got fuel in and possibly fuel return to the fuel tank and that's about it.
Hope that helps.
If they are small tubes , the one on the side is probably just a float bowl vent and goes to the front of the rear wheel. The one on the bottom of the carburetor bowl is the drain hose for the bowl and goes to the front of the rear wheel. The vent and drain line just hang in front of the rear wheel and do not connect to anything.
It is possible that one of the lines is a vacuum line and does actually have to plug into a vacuum fuel petcock. If this is the case the fuel will not flow to the carburetor unless the line is hooked up. Hope this helps.
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