A plugged air filter would cause a rich condition, but when my 4-stroke mower has a plugged air filter it does the surging thing.
Max Dillon Charleston SC May 13, 2021 8:01:11 PM Mitch Haley via Mercedes <mercedes@okiebenz.com>: > 4 strokes surge when running lean. > They stumble lean, the governor open the throttle, they overrev, the governor > shuts the throttle, they go lean and stumble again. > I'd assume 2 strokes are the same, plus if you get unmetered air through > leaky crankcase seals, they'll go lean with a perfect carb. > >> I have a Lawn-Boy mower (early 2000's model) still runs well enough but >> it has developed a "surge" i.e. it will rev up and slow down >> repeatedly. This is annoying -- likely causes? >> > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com