Hey Mate,
Check out "Laser Jammer Photos". You'll see my Purple and Black busa with the jammer mounted the same as yours. I actually removed the mounting bracked and attached the jammer with velcro (Industrial strength) and it sucks the jammer up tighter to the fairing. Also move the jammer as far forward as you can and it helps. Even with mine mounted as you'll see in the photos the fender/mudguard will still touch the jammer when the forks bottom out. I find it works just fine until you do wheelies or stoppies. That seems to be the only time the forks bottom out. There is no way to shorten up the travel on the forks that I know of? You can go to heaver springs but if you hit a chuck hole hard, the forks will still have the same ammount of travel. Check out the photos and you may get some ideas. Also, I saw one Aussi Gloat that actually adapted his windscreen to mount his jammer. I think he has photos on the same thread. Check it out!