This manual was designed specifically to help the novice and expert fix their chinese ATV.This manual includes Carburetor fundamentals, Carburetor Tuning and rebuilding.If you understand simply how this carburetor works, then adjust your carburetor as I explain in this manual you will soon have your ATV running smoothly.If your ATV Carburetor needs rebuilding follow my step by step procedure and in less than an hour, you or your child will be riding.