Need help or advice, problem solving laggy throttle
Hey everyone! Gonna try and explain the issue best I can. Short explanation about me first. Ive been riding since 2013 ive owned several bikes including several suzuki's. Im an mech engineer and friendly around engines and tools. I bought a 24 GSX8R a little over a year ago it was used at the time with just under 4k miles. In this last year I have put over 4k miles on it odometer reading is just over 8k. The bike has been fantastic overall. However, in the past two months I've had some issues its seems to me that right after I get a full tank of gas for that ride or the next I will get a very laggy throttle response in first or second gear if I let off the throttle the bike will bog down and almost die then if I give it throttle it will hang up a second then start to give me power all at once. I've tried to troubleshoot on my own and it most definitely only occurs with a fresh full tank of gas. Im thinking a sensor or something electronic is more likely then something mechanical. Has anyone experienced this issue or similar? Any help is appreciated