Regular and efficient maintenance of your chainsaw contributes considerably to safety, but much more than that, your chainsaw will not work properly if it is not correctly, and regularly, maintained and will not be fit to do the job you bought it for. If you keep your chainsaw in good condition, oiled, checked and maintained it will last far longer and work more efficiently and safely. NB: Some of this work can be carried out by you but some may need expert attention.