<< On 3/5/2014 3:47 PM, Jonas Payne wrote: ... inclusive of turning the crank, ... >> Jonas, I fervently hope that you mean "balancing the the entire rotating mass" ? ? Personally, I NEVER do any motor without doing so <G> ! ! Ed (just shy of 50 yrs of LBC 'stuff' <G> <G>) Just Brits Hinsdale IL