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O.S. MAX 91FX Ring w/ E-4020 Silencer USED
L-OS19021-U
Used
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USED O.S. MAX 91FX Ring w/ E-4020 Silencer L-OS19021-U
Sharing exactly the same mounting pattern as the 61FX, the 91FX offers 47% more power with almost no weight penalty!
Just like all FX series engines the 91FX has the rear needle valve assembly with the addition of a variable fuel inlet location in addition to the adjustable main needle orientation. To ease hand starting a ringed piston setup is emplyed.
Give your model a power boost from this compact powerhouse.
Propeller range : 15x8, 16x6-8, 17x6, 14x7 3blade
Physical Specifications :
- Weight 550g 19.40oz
- Displacement 14.95cc 0.91cu in.
- Bore 27.7mm 1.09in
- Stroke 24.8mm 0.980in
- Power Output 2.8PS@15000 RPM
- Practical RPM 2,000-16,000