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  O.S. 1.40 RX Ringed w/Pump
 

 
List Price: $799.99
Our Price: $475.95
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Stock Status: In Stock
Product Code: OSM19221


Description Technical Specs
 

OS 1.40RX engine has a rear-mounted needle valve (attached to a bracket on the backplate). 2-needle pump carb. Integrated fuel pump (for continuous fuel flow during aerobatics). One-piece crankcase. Designed to get the max power at low RPM (makes the engine quieter). Extra cooling fins (helps dissipate heat). Ringed piston. Rear exhaust. Twin ball bearing-supported crankshaft. This product includes one set of instructions, O.S. poster, and decal. One #A5 Glow plug. Heavy duty drive washer. One prop nut w/locknut and spinner mount. One additional needle (with less taper). One heavy duty drive washer.

 
Required Parts

Header (exhaust adapter) for a tuned pipe
Tuned pipe (tuned silencer)
2-stroke fuel

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