OS Engines 35540 FS-120S III (70N) and 5020 Muffler, 4-Stroke, Nitro-Fueled Model Aircraft Engine (OSM35540)

35540 FS -20S III (70N) W/F-5020 Four-Time Aircraft Engine

BRAND :O.S Engine
Product Code:35540

CONTENTS :
1 FS-120S III (70N) four-time aircraft engine.
Spare parts list
User manual

FEATURES :
Nitromethan motor for 19.96 cc RC aircraft.
This version is fed by a fuel pump and the fuel pressure can be adjusted.
In this way, it consumes less fuel and works very stable without any compromise on its superior performance.
There is a nut lock for an effective silencer and internal dual propeller system. 

O.S ENGINE - Four -Time aircraft engines:

Torka -based engines, not speed.
They may be in different number of cylinders.
Today, 4 -time gasoline engines are also produced.
Usually used in Scale models (for image purposes)