wont run

First hello everyone and welcome to my cherry post, thank you for stepping in. My neighbor has a 1000 wildcat that is not running to its full potential. When he starts it it will idle but cannot get anything over half throttle out of it. Had been sitting mostly for two years Has added fuel...

Hi guys I'm new to the forum as I just purchased a custom build from a guy who never fully completed it. I am joining this site hoping to figure out some trouble shooting with this car. It started as a 2012 Acrtic cat wildcat 1000. I don't know everything as to what's been done unfortunately but...