Dan
Guest
Be sure corn head varible is locked out in slowest position and belt is properly tentioned. Does sickle slide freely with no bindingIJ Could you slow up sickle to get rid of vibration. Try slowing engine with everything engaged to see where vibration goes away. There are different size pulleys available for rear shaft that drives sickle. The best suggestion I have ever heard is to fasten a heavy flywheel onto pulley at wobble box. Rolf (who just had a post in general section)has done this to silence sickle vibration. Maybe you can check with him to see how much weight he used. Good luck. Dan