F-23 - 2 cycle - 50hp

If you prefer an opposed cylinder engine, then this one's for you. The F-23 puts out an amazing 50hp at only 6150 rpm and provides 42ft/lbs. of torque. All with a total weight of only 87 Ibs.. This engine can handle any part 103 ultralight and most single seat experimentals. Opposed pistons cancel out each others forces resulting in an amazingly smooth running engine.

Model:

F-23

Carburation:

Dual 34mm slide or optional diaphragm carbs or optional electronic fuel injection

Engine Type:

Opposed - 2 cycle, two cylinder

Fuel Pump:

Optional auxiliary external pneumatic

Bore:

72mm

Lubrication:

Fuel mixed with oil @ 50:1

Stroke:

64mm

Rotation:

Counter clockwise, viewed from output end

Displacement:

521cc

Starter:
Alternator:

12 volt electric, optional recoil
250 watt/20 amp alternator standard

Compression:

9.5:1

Cooling:

Free air Cooled by prop blast

HP Output:

50hp @ 6150rpm

Weight:

84lbs, including reduction unit, full exhaust, and electric start

Torque:

42ft.lbs @ 6150rpm

Reduction Units:

Belt drive - 1.8:1, 2.2:1 and 2.5:1 ratios available

Ignition:

Dual CDI
(Capacitive digital Ign.)

Drive Coupling: