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Briggs & S 375 sprint engine - leaner mix needed?

My Briggs and startton engine is running too rich.

Its revs oscillate wildly in operation and it only runs properly when it is running out of fuel, and then only for 5 - 10 seconds

The spark plug gets very black with carbon soot and needs cleaning

Can anyone help ?

Nick
June 2008
Garden Tools, Lawn MowersBriggs Engine Running
screen between fuel tank and carb is dirty take carb off clean screen should be cool then

JoeP
June 2008
Replace the carb diaphragm. Almost guaranteed fix.

phil_saunders@bigfoot.com

Phil Saunders
June 2008

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