I have a 79 cx500 that runs nice to 2000 rpm then rt side stumbles and wont go ,pull plug wire lt side runs up to 9000 on its own ,rt side wont go up over 2000 on its own,going to switch yellow and pink coil wires seif it switches sides ,carbs in sync and clean and no problems there ,plug cap? coil? cdi ignitech may be on the way. thanks for the very good forum to have all the info available to research problems and other info not found anywhere but here.Thanks!!!