Question about Yamaha V Star Classic Motorcycles

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In March and april I had asked about my motorcycle. Gas runs onto the ground when I try to start it. Your response was that it is a sticky float. Now my question is is do I fix that problem

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You need to remove the carburators from the bike, disassemble them, clean them and set the float height. It is not something that most people are familiar with. If you plan on doing the repair yourself, I would recommend getting a service manual for your bike. Haynes and Chilton make good choices with fairly easy to follow directions. Mostly it is removing the gas tank, seperating the carbs from the air cleaner, and working the carbs out from the motor. Disassembly of the carbs is fairly easy once you do it a few times. You should really have someone that can synchronize the carbs once they are cleaned and put back on. It should be done by someone who can set the float heights, and synchronize them when they are done. Carburator rebuild kits may or may not be needed, only looking at the float needles will let you know what you need. I usually recommend kits to all my customers as this is usually the proper repair.

Posted on Jul 22, 2009

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Didnt use my moped in a while. put new battery and filled up my gas as I tryed to start, I noticed my gas leaking ouy thru cirle piece next to where I load my motor oil. Seemed like gas wasnt going all the...

I'm gonna guess that this is a 2 stroke engine.

The reason I say this is that it's a common problem for engines that have oil added to the fuel. If you let the bike stand for an extended perion, the gas in the carburretor slowly exaporates, but the oil in it doesn't and the residue becomes a sticky and treacle like. As the gas evaporates, the float in the float camber of the carb drops and opens the inlet needle valve, any remaining gas/oil mix seeps in, more gas evaporates and more sticky goo forms over time. That residue will have probably caused the needle valve in the carb to stick open and not be pushed closed by the float in the float chamber when new gas is put in the bike. When this happens, the carburretor floods and gas runs out of a small rubber overflow pipe on the carb.

You need to remove the carb, strip it down and wash it in fresh. clean fuel, making sure any residue is removed and the unsides are clear before you reassemble and refit.

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1 Answer

It won't run and dumps fuel.I've dipped thecarburetor and cleaned it well.the fuel just runs out the lower spring covered house that dumps out onto the ground

The problem is a bit of trash is preventing the float needle from closing fully to stop the flow of gas. Try this; drain the float bowl then close the drain and turn on the gas. Tap the float bowl solidly with the end of a screwdriver handle. The object is to free up the float / shake loose the trash. If doing that a couple of times does not fix the problem, Remove the float bowl and spray the interior of the carb using spray carb cleaner. Pay special attention to the float pin area. With the float bowl off you should be able to gently lift and lower the float. Lifting should shut off the gas and lowering should let the gas flow again. If the float shuts off the gas when raised, put the float bowl back in place and see if the carb still over fills. If so, then the float is defective and you will need a new one. Please rate my answer. Thanks. tombones49_151.gif

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