This document is the instruction manual for OS engine, which mainly introduces the use of the engine and precautions
The O.S. Engines MAX-21XM is a high-performance water-cooled outboard marine engine designed for small to medium-size radio-controlled boats. It features sturdy construction, easy maintenance capabilities, and includes standard tilt mounts and carbon-fibre propellers. The engine rotates clockwise and is intended specifically for model boat applications.
| Engine Type | Water-cooled outboard marine engine |
|---|---|
| Propeller Material | Carbon-fibre |
| Rotation Direction | Clockwise |
| Recommended Glowplug | O.S. No.8 |
| Minimum Lubricant Content | 18% (volumetric ratio) |
Use only top quality commercial model two-stroke engine fuel containing at least 18% best-quality lubricant.
No, the manufacturer does not recommend running the boat on the sea or in any other saltwater environment due to corrosion risks.
The engine must only be run in an open area because it exhausts deadly carbon-monoxide.