This document is an instruction manual for O.S. engines, including safety precautions, engine parts, installation, cleaning and maintenance.
This manual covers the O.S. FS-26S-C and FS-26S-CX four-stroke overhead-valve engines designed for 1/10 scale radio-controlled model cars. It includes detailed safety instructions, basic engine parts identification, and installation procedures for mounting the engine and installing the glowplug. Specific sections address the unique features of the FS-26S-CX, such as the built-in recoil starter system, and provide notes on handling the starter cord safely.
This engine is designed specifically for model cars and should not be used for any other purpose.
All onlookers, especially small children, must stay at least 20 feet or 6 meters away.
The operating handle should not be pulled out more than 45cm (18 inches).