Phill Cresswell
ArboristSite Lurker
Hi there, hoping a clever few might be able to answer a technical question, I have recently put a big bore pot a nd top end on a MS 441, THE SAW STARTS GREAT TICKS OVER FINE AND GENTLY CUTS AT A STEADY TONE THROUGH BIG TRUNKS, MY QUESTION RELATES TO WHEN THE SAW IS REVED TO HI REVS WHILE NOT ACTUALY IN A LOG , IE UNDER NO LOAD, THE ENGINE SEEMS TO POP AT HI REVS LIKE A RACING ENGINE , CAN SOMEONE CONFIRM THAT A BB KIT CAN CAUSE THIS COMPARED TO A STANDARD CYLINDER.