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Honda / Mid-Range

Honda BF90

You’re looking at Honda’s most advanced technology – a lightweight powerhouse in a mid-range package.

All Honda outboards
Honda BF90

Mid-Range

BF90

Power
90 hp
Configuration
4-Stroke SOHC 4 Cylinder/16 Valves
Displacement
496 cc
Weight
359 lb
AuthorizedHondadealer
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About this engine

You’re looking at Honda’s most advanced technology – a lightweight powerhouse in a mid-range package. The BF100, 90 and 75 offer a host of Honda legendary technological advancements and exclusives. Starting with VTEC technology on the BF90 and BF100. VTEC provides a superior blend of power, torque, and fuel efficiency at any speed. It’s the same Honda exclusive feature used on Honda cars, a premium innovation put to good use on our outboards. Add in Multi-port Electronic Fuel Injection, BLAST, Lean Burn Control, and a 3 Way Cooling system, and you’ve got a trio of motors that are economical, efficient, and durable – which means maximum quality time on the water for you.

Key features

  • Power where and when you need it.: Honda’s exclusive VTEC technology offers a superior combination of power, torque, and fuel economy.
  • Instant Acceleration: Honda’s exclusive BLAST system improves acceleration at low speeds.
  • High Performance Gearcase: Designed to get you going faster, the high performance gearcase reduces drag, greatly reduces hull porpoise and minimizes spray, increasing acceleration and top speed.
  • SOHC 4 Valve/Cyl. Design - max power: The powerful 1.5L, 4-cylinder design utilizes a single overhead cam and two intake valves to deliver maximum torque and power.
  • Best In Class Fuel Efficiency: Lean Burn Control increases fuel efficiency by allowing combustion to operate on a leaner air/fuel mixture.
  • PGM-FI: Multi-port Programmed Fuel Injection adds both easy starts and improved fuel efficiency - without sacrificing performance.
  • Honda Corrosion Protection: Your Honda can continue to look and perform like new, thanks to our corrosion protection system.
  • Fresh Water Flushport: Fresh water flushport flushes debris and saltwater out of the engine.
  • Unmatched peace of mind: Honda's True 5 Warranty is the best in the business.
  • Honda Quality: Our outboards share many technologies and components used in Honda vehicles, with all the benefits of years of proven Honda engineering, precision manufacturing and reliability.
  • Engine Alert System: The Engine Alert System monitors vital engine functions and prevents engine damage by alerting the operator of: overheating, water in fuel, low oil PSI, battery, over-rev, and critical engine function.
  • 3-Way Cooling System: Three separate cooling systems keep the cylinder heads running cooler for long-term durability.
  • High Output Charging for more usable power: The high output charging system features a 44 amp "On Demand" belt-driven alternator with 35 charging amps.
  • Simplified maintenance: The little things make a big difference.
  • On-board connectivity: NMEA 2000 protocols allow engine data to be interfaced with on-board systems and systems displays, such as SONAR or GPS.
  • 3 Position Tiller Handle: The 3 Position Tiller Handle adjusts to your comfort for easiest hull maneuverability.
  • Variable Speed Trolling: Push button troll speed makes trolling easy, with 50 RPM increments from 750 rpm to 1000 rpm.
  • Easy Access Controls: The center mounted, ergonomically designed tiller handle is longer for improved handling.

Full specifications

Type
4-Stroke SOHC 4 Cylinder/16 Valves
Displacement
1,496 cc (91.4 cubic inches)
Bore & Stroke
73 mm x 89.4 mm (3.0 x 3.5 inches)
Full Throttle RPM Range
5,300-6,300 RPM
Rated Power
90 HP @ 5,800 RPM
Cooling System
Water Cooled
Fuel
Unleaded Gas (86 Octane)
Fuel Delivery
Programmed Fuel Injection
Ignition System
MicroComputer Programmed
Starting System
Electric
Exhaust
Through Hub
Lubrication
Wet Sump
Trim Range
-4° to +16°
Tilt Range
68°
Gear Ratio
2.33:1
Gear Shift
F-N-R
Alternator (Electric Start)
44 Amp
Battery Charging Power
35 Amp
Propeller
Optional
Power Tilt
NA
Power Trim & Tilt
Standard
Gas Assisted Tilt
NA
Oil Pressure Alert
Standard
Temperature Alert
Standard
Rev-Limiter
Standard
Speedometer Pickup
Standard
Recreational
5 years
Commercial/Rental
2 years
Optional Extended
Up to 36 months Learn More
Overall Width
480 mm/18.9 inches
L Type
508 mm/20 inches
X Type
635 mm/25 inches
L-Type
163 kg/359 lbs.
X-Type
166 kg/365 lbs.