as long as the lock nut is not rusted up or seized, a good size breaker bar and 17mm allen socket will break it loose. Once you have it set to where you want it a hammer and a long punch will lock it in good. Or if you have the time take the lock nut out and make a tool out of pipe or an old socket. All my atv specialty tools are custom made. I'm a poor boy, I can't aford the special tools and the mods for the bike