1Have a clean air filter in place.
The air filter has the important job of preventing dirt, dust and other debris from entering the carburetor and engine. It should be cleaned or changed every 25 hours of engine use or once per mowing season. Pleated, paper air filters must be replaced. Foam air filters can be cleaned with hot water and a small amount of detergent and then left to air dry before being saturated with new engine oil and reinstalled.
2Use a clean fuel filter.
There is high risk of damage to fuel filters if cleaned so replacement
Spray a degreaser on oil stains. Allow the degreaser to sit for 10-15 minutes before wiping with a clean cloth. Rinse with a hose and dry completely.
4Use fuel stabilizer in winter.
Tillers require clean, fresh fuel for best performance from the engine. During the off season when your tiller is being stored, the fuel should either be drained or a fuel stabilizer should be added to prevent clogs in the carburetor.
5Clean and lubricate the tines.
Clean the tines after each use with hose and then spray them with a lubricant to protect them from rusting.
Check the tires for wear and if they are worn or damaged, replace them. Check the air pressure on inflatable tires periodically with a tire gauge to make sure they are at the correct inflation pressure as stamped on the sidewall of the tire. Fill with air when necessary.