14"petrol chainsaw will run for 10 seconds and then cuts out. have had carb. off and cannot find fault but do not know enough about petrol system but think it is something to do with the pump part as I can keep it going longer by pressing priming bubble.
Thanks
bazzer
You are on the right track. Keep priming which indicates the fuel mixture is too lean to run. In other words the fuel line is partially clogged up. A drop of water on the gas tank would cause this problem. The fuel is fed on the suction basis. So clean up the fuel tank, (disassembly the carburator) reservoir, needle, float, offrice and fuel filter. A can of carburator cleaner (spray one) is a big help.
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