August 4, 2017

O.S. Speed R2103 3.5cc nitro on-road engine

O.S. Engines have introduced their new Speed R2103 3.5cc nitro on-road engine. Developed with the forthcoming 2017 IFMAR World Championship in mind, the power plant features a newly designed crankshaft and a new piston and liner. Compared to the R2102 engine the R2103 will offer more low to mid-range torque and this is why the engine comes with a standard steel main bearing as these are meant to further improve torque characteristics.

Source: O.S. Engines []


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