How do you fix the governor on a riding 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.

Is the governor spring directly connected to the throttle plate?

The governor spring is directly connected to the throttle plate. The governor system on the engine has two springs: the governed idle spring and the normal primary governor spring.

What causes a lawn mower 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.

How do you install a governor spring on a Briggs and Stratton?

Next, insert the angled end of your new governor linkage into the top hole in the carburetor. Attach the other end to into the governor arm on the engine’s side. Now, you’ll need to attach your new spring by inserting the long lead end into the second hole of the throttle.

When to replace the governor spring on a Kohler lawn mower?

This video provides step-by-step instructions for replacing the governor spring on Kohler small engines, commonly found in Toro lawn mowers. The most common reason for replacing the governor spring is when it is worn out or broken, causing the engine to over-speed or run improperly.

How do you replace a spring in a motorhome?

Now, you’ll need to attach your new spring by inserting the long lead end into the second hole of the throttle. The short end should go into the second hole of the governor arm. You can then replace the air filter and screw it back into position. After the spring is replaced, you can reconnect the spark plug.

What happens to the governor on a riding mower?

When your engine has a sudden load applied to it, such as when you engage your mower deck, the engine RPM will slow for a moment. As the engine slows down, the fly weights on the governor gear retract, which lowers the centrifugal force applied to the governor arm.

How to replace a governor spring in a craftsman riding mower?

Put on safety glasses to protect your eyes in case the spring ejects from the governor. Lift and rotate the lawn mower hood forward to open it. Stand on the left side of the lawn mower from the operator’s position. Move the throttle lever up and down on the left side of the dash, while peering into the engine compartment.

How do you take the governor off a riding lawn mower?

Place each bolt in a sandwich bag so they will not roll away. Pull the hood or engine housing off the mower and look for a plastic arm or flap with two springs: one spring attached to the throttle, the other spring attached to the carburetor.

What to do if your riding mower spring ejects?

Disengage the blades, engage the parking brake by pressing it forward with your left foot and turn the ignition key off. Allow the mower engine to cool completely. Put on safety glasses to protect your eyes in case the spring ejects from the governor.

How do you fix the governor on a riding lawn mower?