How to adjust the neutral control on a zero-turn riding mower

Move the mower to a work area on a hard, level surface. Don’t set the parking brake.

Loosen the lug nuts on both rear wheels, but don’t remove them.

Place wheel chocks in front of and behind both front castor wheels.

Jack up the back of the mower to raise both rear wheels off the ground.

Place jack stands under both sides of the rear frame to support the mower.

Remove the lug nuts from the rear wheels and pull off both rear wheels.

Place both lap bars in the neutral position.

Pushing the bars outward to lock them in position.

Start the engine and set the throttle to full RPM.

Check which wheel hub is moving.

On the side that moves, remove the linkage mounting screw and pull the control linkage off of the bracket.

Loosen the neutral adjustment screw.

Adjust the control bracket to stop the wheel hub from moving.

Tighten the neutral adjustment screw.

Shut the engine off.

Reconnect the control linkage.

Reinstall the rear wheels on the hubs. Reinstall the lug nuts and finger tighten them.

Jack up the back of the mower and remove the jack stands.

Lower the rear of the mower to the ground.

Remove the front wheel chocks.

Set the parking brake and firmly tighten the rear wheel lug nuts.