Question about John Deere Garden
Posted by Anonymous on
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Posted on Jan 02, 2017
White smoke in a small engine is oil. Oil in the cylinder will create too much pressure for the engine to achieve compression. Make sure the engine is not getting fuel into the oil and thinning the mixture (literally smell the oil... gasoline and oil smell nothing alike, if it smells like gas, it is). If this is the case, the carb is leaking fuel into the engine, thinning the oil and causing the oil to leak past the rings into the cylinder head, through the valves and, from there, into the exhaust to burn off. Black smoke indicates a direct fuel issue in a small engine, white is oil based.
Posted on Mar 14, 2009
A very common problem with the GX series with Kawasaki engines. The carburetor 'inlet needle' sticks open and fills the crankcase with fuel. When checking the oil, it can be difficult to see the gasoline and the level appears to be OK. Remove the dipstick and smell the oil, you may detect a gasoline smell. Also, drain the oil, and you may find much more fluid than you expect.
The solution on newer mowers was to install an 'in-line' shut-off valve to keep the fuel from syphoning into the carburetor. The inlet needle and seat in the carburetor is NOT replaceable, so a new carburetor is the ultimate solution, but VERY expensive. Installing and using an in-line shut-off valve is more affordable.
Also, this situation is common when machine is transported on a trailer, as the bouncing causes the needle/seat to leak. When transporting, always turn off the fuel supply to the carburetor.
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Posted on Nov 08, 2009
345's have a habit of the choke sticking at the carb.Another problem they have is the fuel pump diaphram will crack and allow your engine to fill up with fuel,to much fuel in crankcase will end up past the rings when not running and smoke pretty bad when fired up.
Posted on Jun 25, 2010
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