I will check for leaks all around and I might as well replace the crank seal since it’s like five bucks. By the way how well would a 50cc cylinder with an upgraded pipe pull away from a traffic light because I felt like I had to push it a bit just to be able accelerate. I assumed it was due to the lack of power with the 50cc cylinder but maybe it could be because of the seal. Idk I’ll replace it anyways and see how it goes.