Many times World Champion, the World Series is back in a brand new 09 version. RB made this engine even more adapted to the Off Road class needs by adding the Multi Exhaust System. The strength of the WS9 engine is its smooth from low RPM, making this very high level engine reachable to all. Features • Very high level racing engine • 7 ports + 3 Multi Exhaust System (MES) • Turbo plug • Turbo combustion chamber • Bi-turbo 13mm crankshaft+Concept Coating(square stroke) • 13mm main bearing and double rubber seal located on the front side of the front ball bearing • Nylon 9mm carburettor with 6, 7 & 8mm Venturi included • Light Off Road L2G cooling head (17g lighter) • Aluminium orange anodized carburettor wrist pin • Dust protection caps for carburettor, exhaust, fuel intake and top of the crankshaft Specification • Contents: 3.49 cc • Bore: 16.42mm • Stroke: 16.42mm • Porting intake: 7 • Porting exhaust: 3 MES • Crankshaft: 13mm Bi-Turbo+ RB CONCEPT COATING • Carburetor: Slide Composite 9mm with removable Venturi 6,7,8mm • Glowplug: Turbo #01051-6 • Weight: 348 Gr.
