I think what he means is the pawls are sometimes not engaging the ratchet drum. Prolly gummed up so much they dont engage. Like 'john thopson and 'FB' said, flush and relube the freewheel. Immerse it in a bucket of mineral spirits for a few days to loosen and disolve the old deposits, let it drip dry or help it with compressed air, then let some clean oil seep into it. Its what I did on mine and worked perfect.