- lower consumption, higher runtie 3 ports + exhaust port bore 16.4 mm

- linear bottom & top-end power dlc coated crankshaft

- 2x tungsten balanced crankshaft rear ceramic ball-bearing- germany front ball bearing -japan

- specially selected & matched sleeve / piston set

- individually lapped sleeve/piston for easier and faster break-in, 9 ribs engine head buggy carburator with short needle venturi 6.5 mm