I never pull a muffler unless there is something wrong with my saw, or to check new ones or repairs. Two of the 3 saws a Tree guy gave me to repair last week had burned pistons, a MS 880 and a 192. The MS 460 just needed a pull cord, some starter pawls, and a tune up. I only pulled the muffler cover on that one to do a muffler mod, but checked the piston while I had it off and it was fine.
Yes, MS 460s are very durable, and no, I do not like them for limbing! But they are great workhorse/bucking saws.
Yes, MS 460s are very durable, and no, I do not like them for limbing! But they are great workhorse/bucking saws.