How do you adjust the governor on a 5hp Briggs and Stratton engine?

To adjust the governor on a 5 HP Briggs and Stratton horizontal shaft engine, you would loosen the nut on the governor arm and push the governor arm down, clockwise. Then you would turn the governor shaft clockwise also and tighten the nut.

What position should the speed control be in when adjusting the governor?

Rotate governor lever clockwise so that throttle is in full wide open position. Throttle stop must contact cast stop on the carburetor.

Where does the governor spring go on a Briggs and Stratton engine?

The governor primary and secondary springs both clip to the loop in the governor throttle arm linkage. The throttle lever is located on the throttle lever control bracket in front of the carburetor. Unclip the secondary governor spring end from the loop in the governor throttle arm linkage by hand.

How does a governor work on a Briggs and Stratton engine?

To control engine speed, a mechanical governor uses gears and flyweights inside the crankcase to detect changes in the load and adjusts the throttle accordingly. This closes the throttle, limiting the air-fuel released into the engine. When the engine load increases, the crankshaft spins more slowly.

How do you adjust a governor on a lawn mower?

To adjust the governor, you would loosen the screw on the bottom of the governor arm and push the governor arm so the throttle is wide open. Then you would turn the bottom “clip” (which is connected to the governor shaft) counter clockwise. This will set the governor shaft on top of the governor spool.

What causes a lawnmower engine to rev up and down?

A lawnmower that hunts and surges may be experiencing something as simple as an airflow issue. If the air that the engine requires to run is blocked, especially sporadically, it can cause the engine to slow down. When the blockage moves or clears, the engine may suddenly rev up in response.

Can spark plugs cause surging?

3. Surging and Lagging. Another good indication that your spark plugs are dirty or worn is if your vehicle experiences surges of speed, resulting in a jerking acceleration. These surges occur because your spark plugs are not igniting the fuel in your engine at the proper rate, resulting in an uneven speed.