I can vouch for that. I replace my Grolsch washers every year, not that there is a need, but every boat needs two bottles and we have a fleet of 26 boats! If not the best, at least it is the most fun method.
Mind you it is a pretty divvicult job! Espezially after ze fiflthfth baot; finding da hole, puzhing da hole throughz the boltz and searzing da nutzy thingy below ze vloorbaordz, HIC!