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Engine problems?

I have a rotary mower with a Briggs & Statton engine. When mowing the engine speed goes up and down on its own. Years ago one simply adjusted the mixture screw, but the modern carburetter is not fitted with one. Anyone with any ideas ??

Peter.P
July 2009

Garden Tools, Lawn Mowers Engine Mower Mowing

Hi Phil, thanks for the suggestion Re carb. I will try it.
Many thanks. Peter.P.

Peter.P
July 2009

If it's a carb-on-the-tank engine, replace the diaphragm.

phil_saunders(a)bigfoot.com

Phil Saunders
July 2009

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Engine problems?

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