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Post by swampsniper on Nov 23, 2007 1:52:04 GMT -5
You can apply vacuum with your mouth, but be careful. You can also use tubing and just bypass the valve, unless your valve screws directly to the gas tank.
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Post by swampsniper on Nov 23, 2007 3:52:58 GMT -5
Find the vacuum line and apply suction. Also make sure that the fuel lines aren't kinked. Keep in mind that any air leak anywhere in the intake will affect vacuum. You may not have enough engine vacuum to operate the valve. It could be a leak in the intake manifold, or the carb loose in the rubber. You may not see a crack in the rubber until you bend it a little bit.
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Post by sting on Nov 23, 2007 8:19:29 GMT -5
You could always use a length of aquarium hose to spit a small amount of gasoline into the spark plug hole. Take your time, The gasoline won't evaporate. If it starts, it was the gas.
I had to cut 1/4 inch off the end of every vacuum hose for a tighter fit.
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Post by Jacine on Nov 23, 2007 13:05:21 GMT -5
The alternative is to spray carb cleaner into the spark hole (replace the spark) or into the air intake of the carb. If it starts then the engine is ok, and the fuel is bad or the carb is not getting any fuel.
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Post by Lois4jesus on Nov 26, 2007 1:48:05 GMT -5
I am just curious here..Lois's RX 200 has the auto vacuum switch..Is there any replacement hose that is clear..Seems like it would be easy to troubleshoot any gas supply issues..God Bless.....Kim
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Post by earlwb on Nov 26, 2007 15:03:37 GMT -5
yes, you can get transparent tubing from most any lawnmower industrial engine repair shop.
it has to be for gasoline though. Do not use water tubing like you get at The Home Depot.
Radio control Model Airplane Hobby shops also sell it too. Generally it comes in Blue or Red transparent colors.
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