O.S. Engine #34710 - OS FS-70 Ultimate w/pump/60U/F-4020 Silencer  [OS-34710]

This is actually the O.S. Max FS-70 Ultimate 4-Stroke Engine with Pump.

Features:

• The FS-70 Ultimate is significantly scaled-down versus FS-70 Surpass II making for easy installation in a wider selection of aircraft
• Fall Valve #60U Carburetor for quick and accurate throttle reaction, also equipped with regulator that stabilizes the pressurized fuel for trustworthy performance during aerobatic maneuvers
• Holes drilled in drive washer to lessen fat.

Includes:

One O.S. Max FS-70 Ultimate 4-Stroke Engine with Pump, kind F glow plug, muffler, decal sheet, guide

Specs:

• Displacement: 0.698 cu in (11.45 cc)
• Bore: 1.091" (27.7mm)
• Stroke: 0.748" (19.0mm)
• Practical RPM Number: 2000-13000
• Production: 1.2ps @ 11000 RPM
• Weight-Without Muffler: 16.4oz (465g)
• Weight-With Muffler: 17.7oz (502g)
• Weight of Muffler: 1.8oz (51g)