Fiala Motors FM280-B4-FS 280ccm 

• Sensational smooth running and high torque
• Spontaneous throttle response and smooth mid-range transition
• Extremely low vibration throughout the RPM range because of the four stroke principle
• Nickel-Silicon plated cylinder surfaces
• Honda Valves
• Walbro Carburetor
• Fiala microprocessor controlled ignition with auto advance and retard
• An ignition integrated voltage converter allows the use of two Lithium cells
• FM-Motors are designed using the latest tools and techniques

Specifications:

• Displacement: 280 cc
• Bore: 47 mm
• Stroke: 40 mm
• Width including valve covers: 332 mm
• Length from engine mount to prop hub: 272 mm
• Engine weight, without ignition: 8240 g
• Ignition voltage range: 4,8 - 9 V
• Propeller:
• Fiala Propeller 2-blade: 36x12", 36x14", 38x12"
• Fiala Propeller 3 Blade: 34x14", 36x12"