O.S. FSa-56 II with F-4040 Silencer – L-OS34330
Latest version of this popular sized, high-performance four-stroke engine.
Features a black rocker cover to suit the appearance in scale models better plus a revised oil breather system. The breather now vents from the crankcase rather than being re-ingested in the inlet, to improve running consistency.
| Specifications | |
|---|---|
| Weight | 394g (13.9ozs) |
| Capacity | 9.32cc (0.569cu.in) |
| Bore | 24mm (0.945″) |
| Stroke | 20.6mm (0.811″) |
| Power Output | 1.0PS @ 10,000RPM |
| Practical RPM | 2400 – 13000 RPM |
