luke000
Been Around the Block
Well last year as I was putting my bike away for the winter, I fired it up and it was running very rough. Lots of backfires (inake and exhaust backfires) and chugging, as well as the tachometer was not working. I decided to worry about it in the spring because I had too many other projects to do. Well here I am in the spring and trying to figure this one out. The bike never had this problem before. When the engine is running below about 1500 RPM, the two cylinders on the left side have no spark and the tach does not work. when the engine revs up above 1500 the two left side cylinders jump back to life as does the tachometer and the bike runs well. This is a very similar engine to the VMax only without stuff like v-boost and aggressive cams. I am stumped, I looked for any loose or corroded wires but could not find any, the coils checked out OK with my multi-meter.
