Craftsman chainsaws—Craftsman chainsaws are known for delivering power, but if your tool won't start, the problem may be a bad spark plug. If the chainsaw stalls on you, you might need to rebuild or replace the carburetor.

String trimmer—The string trimmer is a valuable tool for any yard, but if yours won't start it may be due to a clogged carburetor. You may need to replace the carburetor. In some cases, a carburetor repair kit can do the trick. If the head won't stop spinning on your line trimmer when you release the trigger, the problem is likely caused by a bad clutch.

Circular saw—Craftsman is known for their circular saws. If yours won't run, check the motor brushes for visible signs of damage. These can wear out, inhibiting the operation of the saw.