2012 346. This one had a plugged muffler screen and air filter. The exhaust port was starting to become blocked with carbon. I cleaned it all out, slightly opened the muffler, and put a new caber ring in it. No porting but I cleaned up a couple small casting blemishes in the lower transfers. Base gasket delete and timing advance. It runs strong. Hard to stop it with a 16" bar and chain on it's first tank. New zama carb kit, OEM yellow air filter, ring, .325 rim(can swap to 3/8 at buyer's request), and OEM top cover(original was cracked). It pops in two pulls cold with the primer bulb. Decomp can be plugged at buyer's request. The oil issue has been fixed. It leaks no bar oil. Looking for $385 for the powerhead. I have a few bar options if a buyer would like.