81FS-a 4-Stroke Pumped Engine O.S. Engine  [OSMG0982]

Scale modelers have really enthusiastically embraced FS-a devices simply because they virtually eliminate oil mess while delivering exceptional energy. Now you can get the 81FS-a loaded with a gas pump even for more constant performance.

Mounts easily in identical area as an FS-70II without any improvements
gas is delivered frequently to your motor constantly, no real matter what the plane's mindset, to obtain additional dependable performance.
Well suited for aerobatics and also other situations that want high power.
Feature the ingenious recirculation system that re-lubricates components in the place of venting the oil out towards cowl.

SPECIFICATIONS

• Stock Quantity: OSMG0982
• Displacement: 0.809 ci (13.26 cc)
• Bore: 1.091 in (27.7 mm)
• Stroke: 0.866 in (22.0 mm)
• Practical RPM: 2,200-10,000 rpm
• Energy production: 1.28 hp @ 10,000 rpm
• Motor bodyweight: 20.11 oz (570 g)
• Muffler Weight: 1.9 oz (54g)
• Includes: 61R carburetor, F-5030 muffler, PD-08 pump