O.S. Engine 61FX  [OSMG0561]

All FX machines include remote needle valve - the function most expected for!

An extended crankshaft provides more secure attachment for spinner, prop and nut

Double ball bearing construction adds durability and durability

Semi-square head form creates more fin area to boost cooling capability

Each motor comes with a superior carburetor and muffler with adjustable exhaust direction and integrated stress faucet

61FX and 91FX feature a remote needle valve which can be placed two methods, to help you avoid cowl modification and protect your plane's scale lines; 160 FX remote needle is installed 3 ways

REQUIREMENTS

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