Description
The Honda BF40 is a 4-stroke, 3-cylinder outboard motor that produces 40 horsepower at 5,500 RPM. It has a displacement of 808 cc (49.4 cubic inches) and uses a programmed electronic fuel injection (PGM-FI) system. The engine is water-cooled, with exhaust through the propeller hub.
Here’s a more detailed breakdown of the Honda BF40 specs:
Engine:
- Type: 4-Stroke SOHC, 3 Cylinder, 2 Valves/Cylinder
- Displacement: 808 cc (49.4 cubic inches)
- Bore & Stroke: 70 mm x 70 mm (2.76 x 2.76 in.)
- Full Throttle RPM Range: 5,000-6,000 RPM
- Propshaft Rated Horsepower (HP): 40 HP @ 5,500 RPM

















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