Hello, I've been looking for the filter replacement for my Yx 127-cf with no luck. Measurements for the paper air filter are 39 (or 38)mm inner diameter on both sides of the cylinder and its about 6.5 inches long.Pictures located below. Does anyone know where to find a replacement or how to cross fit with another filter? Any clues and help will be much appreciated. Also does anybody got the manual for this bike, I lost mine20170511_125740.jpgdownload.jpg