This document is an instruction manual for O.S. engines. It emphasizes the importance of safe operation and provides information on the controls and features of the engine.
This manual provides instructions for the O.S. IL-300, a 50cc inline four-cylinder overhead-valve four-stroke-cycle engine designed for model aircraft. It emphasizes safety precautions regarding the propeller and fuel, and advises users to read the safety section before operation. The guide covers starting procedures, throttle adjustment, and running-in notes.
| Cylinder Configuration | Inline four-cylinder |
|---|---|
| Engine Cycle | Four-stroke-cycle |
| Fuel Tank Positioning | Carburetor center line 1/3 lower than tank top |
No, the engine was designed specifically for model aircraft and should not be used for any other purpose.
An electric starter is recommended for this engine, and the wearing of safety glasses is strongly advised.
The fuel tank should be located so that the carburetor center line is 1/3 lower than the tank top when the model is horizontal.