I have a civilization developed . Tis the most powerful in the region with an extremely toxic environment most , if not all , animals have some variety of toxin in their body . I also have a lengthier document that ' s based on an old school project . <| sep |> Doesn ' t hurt to do it your self . However if you need to take it to a shop , I wouldn ' t . As a technician at a dealer , that does these very frequently , they are NEVER out of sync . Yamaha has the same schedule on the FZ 09 the same engine and the FZ 07 and they ' re never off . In reality , you shouldn ' t have to adjust the sync unless your valves need adjusting . Honda doesn ' t even make you look at the sync , or tell you how to even adjust it on their bikes .