8 hp briggs snowblower engine dies


Old 01-08-09, 02:49 AM
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8 hp briggs snowblower engine dies

Good day,

I have a snowblower with an 8HP B&S horizontal shaft engine, regular type valves (not OHV). 19400 series.

The engine dies after 1-5 minutes running, sometimes runs for 20 minutes ! It always starts cold, always has plenty of fuel to the carb and everytime I remove the plug after it stalls, I see white sparks upon cranking.

I tore down the carb, soaked it 12 hours, put in all new B&S carb kit parts, checked the float adjustment. I adjusted both new idle and high speed carb screws to nominal. Tank cap vents well...

Have you got a suggestion for troubleshooting, I am at the end of my wits and it is snowing...

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Old 01-08-09, 04:35 AM
Join Date: Jan 2007
Location: MA
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Would have been better to start a new thread, this one is 2 1/2 years old.

I am guessing this is a 2 piece flo jet carb. Did you replace the main nozzle? You may have installed needle on the float wrong. the open end of the clip where it attaches to the needle needs to be facing away from fuel inlet.

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