With traditional style Thunderbird to get the triumph. In the EFI system control fueling and independent ignition in each cylinder. In addition to saving fuel 20%, this system also improve engine response. The Thunderbird’s side-by-side 800cc cylinders house 103.8mm-wide pistons blowing through 94.3mm strokes. The pistons thump straight up and down to turn a 270-degree crankshaft and twin balancer shafts. For more info visit motorcycle-usa.com.
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