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1982 Yamaha XJ750JExpand / Collapse
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Posted 6/15/2005 11:20:24 AM
 

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Last Login: 3/5/2007 10:44:31 AM
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i need a jet needle . and im also wondering why im getting 75% gas in my oil? please help

scott
Post #59711
Posted 3/6/2006 11:56:19 PM
 

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Last Login: 3/5/2007 10:44:31 AM
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To cure the fuel in the oil, look at your floats - chances are fuel is over-flowing into the throat , and seeping past the rings.

Oldyammy
Post #59712
Posted 8/11/2007 9:25:40 AM
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I had the exact same problem with my 1982 maxim 650. It could be the needle valves in the carbs not stopping the flow of fuel thus overflowing the carbs and running into the cylinders and down past the rings. OR (and this was my problem) the petcock on the gas tank has a diaphram in it that lets fuel flow from the tank only when there is vacuum from the engine. There is a fuel line and a smaller vaccuum line on the petcock. If the diaphram is torn, fuel will go down into the vaccuum line and into the engine as stated before. Hope this helps!
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