Originally Posted by rickie h
is there any noticable differences besides performance between 49 and 80 cc engines? like a noticable size difference or a different engine head or anything?
They have the same bottom end....The 80cc has a little bit bigger cyclinder but not enought to affect it to fit in most 26 inch frames....And yes the 80cc has more power....What kind of bike are you wanting to put it in????Post a pic....