ATC90'S WITH A ENGINE SERIAL NUMBER'S LARGER THAN 1113934 OR ABOUT 1972 AND NEWER,,,,CT90'S K5, K6, 76-79,,,,ALL ST90'S AND IF YOU GET A HEAD FROM ANY OF THE ABOVE MODELS IT WILL WORK ON ANY OVERHEAD CAM 90CC OLDER THAN ABOUT 1974. THIS CYLINDER TAKES THE HEAD AND HEAD GASKET WITH 3 KNOTCHES IN IT. SEE OUR # 83W BELOW ON THIS PAGE. BE ALL NEW OEM, BY GETTING THE PISTON, RINGS, PIN AND CLIPS BELOW TOO !!! |