Originally Posted by randyjawa

Remove the rear wheel and rotate the freewheel. Do you feel drag as you spin it? If so, lay the wheel on its side with the freewheel facing up and add a bit of WD40 to the joint, allow the liquid to seep in while spinning the freewheel. You might need to do this a couple of times but do not go crazy with the WD40. When the liquid does its job you will immediately feel the freewheel free up.