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Sometimes A float gets "waterlogged" (so saturated with fuel that it just won't float anymore.) The float could be bent in position. Worn tip on float needle Worn o-ring in the float seat Excess dirt and varnish in the carburetor. (Varnish deposits occur when fuel sits too long..) The best thing to do is remove and examine the carburetor. Take it ...


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As you doubted the trouble was with the float. I would like you to remove the bottom cup of the carburettor and remove the fuel and gently blow some air to the float and to the jet. Make sure not to disturb the Air or Fuel Screw. If you disturb it, it will be the difficult task to tune it back to normal by you. Now gently tap the float and make it free. ...


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Usually Vespa PX will give approximately 30-35KMPL, since you are getting 25KMPL I recommend you to check the air filter and the spark plug. This particular model is not available in our country, so I may be wrong somewhere. But I am giving you the basic tips which is suitable for all the automotive. Check the air filter if it is too much dusty or ...



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