Kohler 18 hp will not start

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  #1  
Old 07-24-14, 06:23 PM
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Kohler 18 hp will not start

I have a SV540s Kohler 18 hp single cylinder engine that will not start unless i spray either gas or starter fluid in carburetor. It runs great after that and will restart on its own UNLESS i let it set for too long, then i have to prime it again. NEW carburetor, fuel pump, spark plug, solenoid on carb, am at a loss. Compression is 71 lbs.

Anyone got any idea what is causing this?
 
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Old 07-24-14, 06:44 PM
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Sounds like your choke isn't closing all the way.
 
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Old 07-24-14, 06:46 PM
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choke is working fine. new carb. i work on mowers and this one has me stumped.
 
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Old 07-24-14, 09:41 PM
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Can you see the choke butterfly in the throat of the carb hitting the sides of the throat when it is closed? The reason I'm asking is because I have had to fix this on several of these so far. There is a phillips screw on the linkage that adjusts this.
 
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