I have a 1993 gsxr 750w with an aftermarket tail and when I hook all the directionals up only the front work. If the back Is connected by its self they work.

SOURCE: 94 gsxr 750w with choke on full still only idles

While pulling up on choke see if there is anyone movement at carbs. If not then choke cable is broken. One final test 1st. Find air intke. It should be under your seat. If you have aftermarket K$N filters or similar then it become more complicated. If you have an air box, place hand over hole and bike should idle faster. Same principal with aftermrket but harder to do, Zip Lock bags or grocery bags if Zip lock are to small should achieve same effect.

Posted on Oct 10, 2009

SOURCE: i have a 1986 gsxr-r

The relay should be with the other relays, under the seat>
Does the light come on and stay on, if it does the relay is faulty or if they don't come on at all it could be the relay or fuse.
Hope this helps

Posted on Dec 17, 2010