#34710 O.S. Engine – OS FS-70 Ultimate W/pump/60U/F-4020 Silencer

O.S. FS-70 Ultimate 4-Stroke Engine w/Pump, Brand New in Box

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

Features:

• The FS-70 Ultimate is noticeably more compact than the FS-70 Surpass II
  making for easy installation in a wider range of aircraft
• Slide Valve #60U Carburetor for quick and accurate throttle response, also
  equipped with regulator that stabilizes the pressurized fuel for reliable
  performance during aerobatic maneuvers
• Holes drilled in drive washer to reduce weight.

Includes:

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

Specs:

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