my local dealer finds it impossible to change a rear tyre without F....ing up the rear ABS ring. The ABS light always comes on by the time I get home. I put the bike up on my Flip master stand and with a small flat blade screwdriver I adjust the ring so its the same all the way round, and its fine. The next time I ride the bike the abs light goes out. My local Dealership are nice people, just always fail in this area. Today is my fifth experience the first time I took it back twice the light would go out and come on 5ks down the road so I took things into my own hands and bingo.