pulled off the big rear tire + wheel today to put my matching pirelli night dragon on a 240 that is. a 27 mm socket is needed or crudely a big adjustable wrench. the disc side adjuster would not fit the 13 mm socket, other side was good. i will massage the swingarm as it has a raised edge that i will remove so belt adjustment can be made. manual listed 15/64 at 10 lb for the belt on my 13 8 ball hammer with rear wheel elevated is that right? its easily 1" right now at 2,xxx miles. easiest rear wheel i ever removed!!! new table lift prolly had a lot to do with that!!!