petemack
ArboristSite Lurker
Just after buying a ms441 2006model it is in good order removed cylinder and piston all in good order no marks any where cleaned everything and removed decommission item and block it off pressure tested it to 7psi no leeks sprayed saw with soapy water carb to cylinder boot was still in place blocked the two holes %100 no leeks so removed spark plug and fitted compression tester 6=8 quick pulls only 105 psi so thinking of fitting new rings and hope that will boost psi once bedded in and thanks for looking