

The most successful outboards in the Honda Marine family, the BF40 and BF50 deliver a great mix of comfort, power and innovation. And now they’re even more fuel-efficient and environmentally friendly too! Full-speed ahead for fun – you'll benefit from a smarter boating partner for you, your budget and the environment.
BEST-IN-CLASS FUEL ECONOMY - Enjoy greater acceleration, top performance and superior fun, yet without increasing fuel consumption. Armed with ECOmo technology and a smart new Lean Burn system, the BF40 and BF50 are lean, clean and quiet. And they reduce fuel consumption significantly – especially in cruising mode!
GREEN STRIDES ON BLUE WATERS - Honda Marine is committed to keep boating as responsible as it is fun by developing even more eco-friendly engines. The new BF50 and BF40 have dropped in CO emissions by more than 30%, while maintaining total performance. Enjoy the pleasure of boating while knowing that our planet is breathing easier.
EXTRA POWER AT LOW REVS - Experience a small engine with a big punch! In addition to Programmed Fuel Injection (PGM-FI), the BF50 and BF40 include new BLAST technology, an ignition-timing control system that optimises the air/fuel ratio to give you maximum power with minimum fuel. A major boost in low-speed torque!
This long shaft model has an electric start and remote control operation with with Power Trim and tilt.
| Type | 4-Stroke OHC - 3 cylinders |
| Displacement (cm3) | 808 |
| Bore x stroke (mm) | 70 x 70 |
| Valve train | 6 Valve |
| Rated power hp (kw) | 40 (29.4) @ 5500 rpm |
| Cooling System | Water cooled |
| Carburation | Programmed Fuel Injection |
| Ignition System | Electronic PGM-IG |
| Exhaust | Propeller boss |
| Gear Ratio | 2.08 |
| Gear shift | F-N-R |
| Alternator | 17 A |
| Propeller size (inch) | Option |
| Propeller: number of blades | Option: 3 or 4 blades |
| Oil pressure Alert | Yes |
| Over heat Alert | Yes |
| Revolution limiter | Yes |
| Emergency Stop Switch | Yes |
| Water / Fuel Separator | - |
| Power Thrust Features | - |
| Direction | Remote control |
| Starting system | Electric starter |
| Shaft Length | Long |
| Counter Rotation | - |
| Engine Tilt | Gas-assisted |
| Engine Trim | - |
| Overall Length (mm) | 694 |
| Overall Width (mm) | 372 |
| Overall Height (mm) | 1364 |
| Transom Height (mm) | 521 |
| Dry Weight (kg) | 98 |
| Two Year Commercial Warranty | Standard feature |
| 6 Year Domestic Warranty | Standard feature |