Stihl Ultra full synthetic. We have looked at numerous cylinders using various oils. This is by far the best oil, leaving less residue and keeping the motor running best.
I have been repairing mowers and possess considerable knowledge of how engines work. However, I purchased a Honda that I was excited about before thoroughly checking it out. When I removed the fuel tank to inspect the engine I was surprised to find the it completely covered in oil. I began by...