Mercury 140hp 2 strokes starting problem

gabisabetta

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Jun 4, 2009
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hello, i?m new on this site, i am from argentina, i have a mercury 140 hp 1979, i have a very strange problem, my engine dont starts on cold, if i spray the intake with premix the engine starts very strong and idle good, if i turn off and whait ten minutes and i try again, nothing, the engine not start, cleaned the carbs, change sparks, test compresion and fuel pump, i dont know what more can i try, the sparks is always dry when i try whitout the premix spray, i think i have a problem between the fuel pump and the cylinder, or the intake cant force enough to suck the fuel of the carburetor, please help me, sorry for my bad english, greetings, g.sabetta
 
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