This will prevent splintering of the wood and no one wants splinters coming off into their hands from a wooden handle. Winter is a good time to make any minor repairs that might be necessary in tools so that you will be ready to go for next season. The cutting or use surface should be handled just like described above. However, the engine also needs some care as well. Make sure that you drain the gas tank of gasoline powered engines.
Old gasoline can become thick and gummy.
While you have the spark plug removed, replace it with a new one. For electric motors, make sure that the air intake of the engine is clear and clean. You may have to use a wire or bristle brush to remove dust and dirt from the air intake. Don't put any oil in the motor unless there are specific instructions and an oiling hole for adding oil to bearings. When you remove the battery, this will be a good time to clean the battery terminals which usually corrode during the season.