bearings for 21cc Echo are NTN 6201 and the seals ISCD 12 22 45 Got one sitting on the desk with 2 piston rings. Explored the muffler, lost the screen and opened up the restriction baffle under the 3 screw. This muffler has more open area (1/4 holes) in the upper baffle(/ bolt compression inset) than the area of the head exhaust port. But the 'diverter weighs 1/2 as much

First one was trashed internally so it became a 'what if cut-up'

John Deere 240 ....Hummm Add to lookout list!