O.S. engine FS-60 User Manual

Engine displacement in cubic centimeters and cubic inches.

Engine bore measurement in millimeters and inches.

Engine stroke measurement in millimeters and inches.

The engine's recommended practical operating RPM range.

Engine weight specified in grams and ounces.

Guidelines for securely mounting the engine for maintenance access.

Recommended fuel types, additives, and tank capacity for optimal performance.

Specifies the recommended O.S. Type F glowplug for the four-stroke engine.

Advice on selecting propeller sizes for engine output and model types.

Detailed steps for starting the engine from cold and when hot.

Procedure for initial engine break-in to ensure longevity and performance.

Steps for adjusting the throttle and idle settings for optimal response.

Instructions for checking and adjusting valve tappet clearances when cold.

Guidance on lubricating overhead valve parts and automatic lubrication via fuel.

How to adjust the exhaust outlet angle for installation requirements.

A comprehensive list of engine components with their corresponding code numbers.