O.S. Engines GT55
New from O.S. Engines : Introducing the first O.S. gas engine—designed especially for R/C! It’s similar in appearance to other O.S. 2-cycle engines, with a large number of extra-deep and -thin cooling fins on the crankcase and head. A unique 1-piece crankcase design eliminates gaskets and enhances strength and precision. A unique front-mounted carb, however, […]