O.S. Engines FS-91 II FI - Manual

It is of vital importance, before attempting to operate your engine, to
read the general 'SAFETY INSTRUCTIONS AND WARNINGS' section
on pages 2-4 of this booklet and to strictly adhere to the advice
contained therein.
Also, please study the entire contents of this instruction manual, so as
to familiarize yourself with the controls and other features of the
engine.
Keep these instructions in a safe place so that you may readily refer to
them whenever necessary.
It is suggested that any instructions supplied with the aircraft, radio
control equipment, etc., are accessible for checking at the same time.