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Mend Craftsman 917.388550 Carburetor Lawn Mower Engine

Idle adjustment on B&S 6.5 HP?

I am working on a Craftsman mower with a 6.5 HP B&S engine that does not have a manual engine speed control. I had to clean the carb bowl and float to keep it from leaking gas and it is OK now. It runs OK but the idle is so low, it dies if I don't advance it at the carb. The tension spring is loose, but I think it is attached properly from the diagrams I have been able to find. The mower model # is 917.388550 and the B&S engine # is 123K02-0258-E1. Can you Help?

Larry
January 2010
The carb does not have an idle adjustment screw. It doesn't even have an adjustment for the fuel supply.

Larry
January 2010
As far as i remember, you should have an idle speed screw that acts on the throttle spindle itself, it does not rely on the cable or throttle rods and springs

Husqvarna man
January 2010

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