Excellent power that runs cleaner!
A win-win engine for any pilot! The O. S. 72FS-a 4-Stroke offers more power in the same footprint as a 70-size – and with an ingenious oil system that boosts performance and virtually eliminates clean-up.
- Precision-machined, bar stock piston, crankshaft, camshaft, conrod and rocker arms
- Durable, heat-treated parts
- Stronger wrist pin, conrod and valve assembly designs to minimize wear and extend life
- Dual bearings, factory-set valves and idle for shorter setup and break-in
- Reversible carb and narrower camshaft for installation ease
- Compact mufflers can be moved in or out and rotated 360°, for more in-cowl options with fewer mods
- Tighter tolerances and ratchet springs help hold settings longer
- O-ring seals on carbs eliminate fuel/air leaks
Specifications:
Displacement: .72 cu in. (11.79 cc)
Bore: 1.063 in. (27 mm)
Stroke: 0.811 in. (20.6 mm)
Practical rpm range: 2,400-12,500
Output: 1.2hp at 11,000rpm
Weight w/o muffler: 16.8 oz. (476 g)
Includes: 61N carburetor, F-5030 muffler, Type F glow plug
OSMG0877 72FS-a 4-Stroke Engine Retail: $549.99 Street: $339.99
AVAILABLE: Now
For more information please visit: www.osengines.com