because edaurdo likes little boys and old men
When your injectors get dirty, it will do that.
Most likely revving due to a dirty/clogged air filter.
Dirty or stuck open needle valve in carburetor.
The announcer says Horseshoes is on the south lawn in 15 minutes.
no spark, no gas getting to cylinder, dirty carb, dirty fuel filter, wrong fuel/air mix on carb to name a few, dirty air filter....
Either the fuel mix is adjusted wrong or the carb is dirty
A bad, stuck or dirty float needle inside the carburetor.
The most common cause of engine revving is a dirty or clogged air filter.
You probably have a dirty carburetor causing that surge.
A dirty spark plug can cause your lawn tractor engine to run at high RPM. A bad fuel filter can also cause this.
Most common cause of lopeing (revving up and down) is a dirty air filter.
dirty filter 1 clean spark plug 2 should run perfect easy to do