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- Jan 31, 2016
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4 mix wants 75psi to run right.A fellow brought this in on Friday, said it just sputtered and quit. I was able to get it to start on a prime but it doesn't seem to pull fuel on its own. I disassembled the carburetor and nothing seemed too bad. Fuel line is attached and the fuel filter looks to be good. Compression is only 60 PSI, I did check the valve clearances and they are O.K.
View attachment 295500
I am open to suggestions including telling him to get a new one.
Mark
I have 3 or 4 around here that came to me not running right with 50 to 60 psi.
Carb kit , a set of rings and clean the valves/carbon. Look at the plastic cam and adjust.
They now have 75 to 80 psi and run good, if a 4 mix can be classed as good running.