no start

Hi All, Hate to start with a prob but i need help. Wasd out on bike and it overheated and while riding all electrics died. It turns out i cooked my battery, have replaced and changed 2 fuses and now all looks ok except no prime. Turn on ignition and clocks flip as normal but engine temp max's...

I bought this bike a while ago and have only test drove it. It has a very hard time starting. The only way to start it is with a battery charger hooked up and crank it for an obnoxious amount of time while giving it throttle. (Side note, it won't even try to start with the power commander...