I have a Suzuki DR650SE. Every now and then when I go to gun it with full throttle, the bike starts to speed up but only at about half of the power/acceleration that it should be speeding up eith. It's like the carberettur ro something gets choked or isn't getting enough fuel. So i back off the throttle and give it full throttle again and it goes back to normal. Once the bikes back to normal, this doesn't happed again for a little while. I think it usually happens after I've been cruising along with not much throttle - then when I go full throttle, it shits it'self like i just explained above. It's a new bike with 5000ks on it. Why do you think this happens?