I will say this though, it all started when I broke a u joint completely in half and the shaft coming out from the gearbox was just spinning freely. After I got the bike out from where I was, I left it in neutral and while checking out the damage it revved up and then back to normal in about 2 seconds. After that, I immediately turn it off in neutral to be able to haul it back to the trailer and load it up. After ordering a new rear complete prop shaft and installing it, I turn it on no problem and I put it in reverse and it revved up again as if I pressed the throttle and I slam the brakes, a loud beep sound comes on and dash says LIMP MODE then shuts off. I start reading forums and most of them say worn out belt. So I replace it. Problem occurs again. I look more into it and I read that one way bearing might need to be looked at, throttle cable might be loose on throttle body. I will continue to look into it and see what i can do.