ooh ok, so i need a specail tool to do it?? where can i get one?
Wrenchs can be purchase at any motorcycle parts store or auto parts store for less than $5. Strap type filter wrenches and bare hands work also. Adjusting the shock preload, will NOT lower your bike. It will sag more, though if you soften the preload, kinda like lowering. The only way to LOWER the rear is be relocating the shock mount points or using a shorter shock.