The O.S. Engine 25FX II is a high performance side exhaust aero engine that is suitable for many styles of small R/C aircraft such as sport, scale, aerobatic and even .25 class pylon racers.
The 25FX II uses a direct needle 21L carburettor for excellent usability and a 892 silencer with adjustable exhaust direction.
Specification:Weight: 260gr.Capacity: 4.07ccBore: 18mmStroke: 16mmPower Output: 0.84 ps (0.83 hp)Practical RPM: 2,500 - 19,000
Includes:FS155-a P Four Cycle Engine with PD-08 Pump System, 70R Carburetor, F-6020 Muffler, Header Pipe, type F Glow Plug, Needle Valve, Extension Cable, Instruction Manual
Specifications:Bore: 27.7mmCarb Type: RotaryLength: 106.2mm from pump to front bearingTotal Weight: 904 gRecommended Fuel: 87 - 93 octane gasolineMuffler Type: 2-piece aluminumMuffler Weight: 178 gStarter Type: Hand Held StarterCylinder: SingleRPM Range: 2,000 - 15,000Height: 109mm from crankcase bottom to top of cylinder head
Specifications:Cylinders: SingleBenchmark Prop: 15x10Displacement: 22 ccHeight: 140.5mm bottom of mounting tab to top of mufflerOil Type & Content: 50:1 mix ratio 2-cycleProp Range: 16 x 8 - 17 x 8Width: 70mm at mounting tabsRPM Range: 1,800 - 9,000HP: 1.75PS 1.73HP @16,000 RPMIgnition Weight: 105 g
This oil has been specially formulated to assemble and disassemble RC engines.
Suitable product to maintain the engine lubricated whenever a maintenance is made or when the engine will be stored for long periods superior to two months.