I don't know what trainer you have but if it is a production model, chances are it will work the way they designed it. If it works don't fix it !!!! Inverted engines are a pain in the *** and as far as new people go should probably be avoided. Try it the way it is and see if it will run OK, if so LEAVE IT ALONE, just go have fun. ENJOY !!! RED



Why do people make life hard for themselves ????? [&o]