A professional who repairs fractional-horsepower gasoline engines used to power lawnmowers, garden tractors, and similar machines, using handtools. Respnsibilities include:

• Locates causes of trouble, dismantles engines, using handtools, and examines parts for defects.
• Replaces or repairs parts, such as rings and bearings, using handtools.
• Cleans and adjusts carburetor and magneto.
• Starts repaired engines and listens to sounds to test performance.
• Replaces engines on machine.
• May be designated according to type of engine repaired as lawnmower mechanic.