O.S. Engine 61FX  [OSMG0561]

All FX engines come with remote needle valve - the feature most asked for!

A longer crankshaft provides more secure attachment for spinner, prop and nut

Dual ball bearing construction adds durability and longevity

Semi-square head shape creates more fin area to increase cooling capacity

Each engine comes with a high-performance carburetor and muffler with adjustable exhaust direction and built-in pressure tap

61FX and 91FX feature a remote needle valve that can be positioned two ways, to help you avoid cowl modification and preserve your plane's scale lines; 160 FX remote needle can be mounted three ways

SPECIFICATIONS

• Stock Numbers: OSMG0561
• Displacement: 0.607 cu in
• Bore: 0.945 in
• Stroke: 0.866 in
• Practical rpm: 2,000-17,000
• Output: 1.90 hp @ 16,000 rpm
• Weight: 19.4 oz
• Recommended Props:
• Tuned Pipe: 12x9, 12x10, 12x11
• Sport: 12x6, 12x7, 12x8, 13x6, 13x7