RB CLASSICO 9 Because the 1/8 classic becomes more and more popular, RB had to work on the right engine for this category. RB did it with the Classico 9. True racing engine, the Classico 9 is characterized by its very linear power. # 7 ports + 2 by-pass # Turbo plug # Turbo combustion chamber with extra turbo machining # Bi-turbo & grinded 14mm crankshaft (long stroke) # 14mm main ball bearing # Black crankcase # Nylon 9mm carburettor modified for optional Venturi adaptation # Aluminium orange anodized carburettor wrist pin # Dust protection caps for carburettor, exhaust, fuel intake and top of the crankshaft