": : I own a 1984 honda gyro, and i am looking for a service manual for it if you have one please tell me.<p>: I don't know were You could get a service manual<br>: I would like to know your top speed. My 86 gyro goes about 35mph<p><p>Mine goes around 38, but i am rebuilding the engine + doing some performance mods to it, hopefully it should go about 39-43mph<p>Ryan<br>"