O.S. SPEED 12XZ w/12F(B)

This is the O.S. 12XZ(P) Speed ABC Engine with 12FB Slide Carburetor.

Specially coated silicone filled crankshaft with precision ceramic
            bearing that greatly reduces wear and friction, plus a Tungsten
            weight for added balance at higher RPM
            Machined aluminum outer head with holes drilled for lighter weight
            and better cooling
          Newly designed crankcase and liner port for increased torque at low
            to mid speed
          New 12F(B) slide valve carburetor designed to match power
            characteristics of engine
          ABC cylinder liner construction, "A"luminum piston with "B"rass liner
            that is "C"hrome plated

INCLUDES: O.S. 12XZ(P) Speed ABC Engine with 12FB Slide Carburetor, 5.5mm
            reducer, RP6 turbo glow plug, exhaust gasket, two dust caps and
            instruction manual

SPECS:    Displacement: 2.1cc
          Bore: 13.8mm
          Stroke: 14.0mm
          Practical RPM: 5,000 - 44,000
          Power Output: 1.75ps/35,000
          Weight: 8.1oz (230g)