Daniel VanMeveren
ArboristSite Lurker
Working on a husqvarna 455 i can not get it to rev up without stalling it starts right up thow replaced the piston and seals and gaskets pressure tested and vacuum tested as well all was good saw has 150psi saw has new carb new intake fuel line and filter and impulse line primer bulb is new also muffler screen is clean also any help is greatly appreciated im about ready to scrap it