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  O.S. FR5-300 5 Cylinder Ringed 4-Stroke Sirius
 

 
List Price: $2,799.99
Our Price: $1,950.95
You Save $849.04!


Stock Status: In Stock
Product Code: OSM37000


Description Technical Specs
 

O.S. Max FR5-300 "Sirius" 4-stroke, 5-cylinder radial engine has pushrod-driven overhead valves. Gear-driven camshaft. Ball bearing-supported crankshaft. 5-cylinder radial configuration. Firing Order: 1-3-5-2-4. Ringed pistons. Two-year warranty. This product includes one motor mount with mounting hardware. One locking prop nut assembly. One display stand. One choke valve extension (rod). One gauge tool set. One glow plug extension harness. Five #F glow plugs. One set of instructions, poster, and Sirius/OS decals.

 
Required Parts

Fuel with 5%-15% Nitromethane and 16% MINIMUM lubricant content. (Most of the 5%-15% fuels we carry meet these requirements).

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