1.Park your lawn tractor on a level surface and engage the parking brake.
2.Locate the throttle control lever on the right side of the steering wheel.
3.Move the throttle control lever to the "High" position.
4.Turn the ignition key to the "On" position and start the engine.
5.Let the engine run for a few minutes to warm up.
6.Adjust the throttle control lever to the desired RPM.
Note: The recommended operating range for the John Deere LA145 is between 2,400 and 2,800 RPM.
Excessive RPMs can damage the engine, so it is important to keep the engine running within the recommended range.