I had an issue with my Li1500 pulling to the left. I adjusted according to the book but then I decided to call and ask for Tec support, just in case. I spoke with Zac and he talked me threw a few details. I placed tape on both wheels at roughly the same location and when the speed was increased I noticed that the right wheel was rotating much faster than the left wheel. Zac suggested that I reprogram the remote using the tube video. After reprogramming the wheels appeared to be rotating together. I played the other day and the cart is 100% better. It pulls ever so slightly to the right now,I will readjust the front wheel back to its original specs.