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Overview
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More quality time on the water.
You’re looking at Honda’s most advanced technology – a lightweight powerhouse in a mid-range package. The BF90 offer a host of Honda legendary technological advancements and exclusives.
The Honda BF90 outboard engine comes with the VTEC technology. 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 pair of motors that are explosive upon acceleration, economical, efficient, and durable – which means maximum quality time on the water for you and minimum fuss.
Features
Proven 4-stroke design
World-renowned Honda quality combines proven reliability and superior fuel efficiency, with no oil mixing.
VTEC® – Smooth acceleration and power (90hp)
Available on the BF90, Honda’s Variable Valve Timing & Lift Electronic Control (VTEC®) system provides power where and when you need it. VTEC gives you a broader, flatter torque curve and smooth power delivery throughout the engine’s operating range. The result is a superior combination of power, torque and fuel economy. VTEC is the modern replacement for displacement.
Lean Burn Control® – Superior fuel efficiency
Lean Burn Control® increases fuel efficiency by allowing combustion to operate on a leaner air/fuel mixture. At cruising speed, the BF90 run on up to 20% less fuel* than others in its class.
*Based on EPA Specific Fuel Consumption Mode.
BLAST® System – improves acceleration at low speeds
Boosted Low Speed Torque, or BLAST, improves acceleration at low speeds. A quick movement of the throttle control activates the BLAST® system, advancing the ignition curve aggressively. “Hole Shot” is vastly improved as more horsepower gets the hull up on plane quicker.
Superior Battery Charging – More usable power
There’s always plenty of electric power with Honda’s exclusive neodymium magnet flywheel. The alternator develops 44 amps in total and 35 amps of charging amps, it’s twice the output of some competitors. It provides high output and keeps battery banks charged all day, even when running multiple accessories.
Engine Alert System – Keeps you informed
The Engine Alert System uses visual, audio and RPM reduction circuits to alert the operator of over-heating, low oil PSI and over-revving, preventing engine damage.
Specifications
Honda BF90
| Engine | |
| 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 (87 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° |
| Drive | |
| Gear Ratio | 2.33:1 |
| Gear Shift | F-N-R |
| Alternator (Electric Start) | 44 Amp |
| Battery Charging Power | 35 Amp |
| Power Trim & Tilt | Standard |
| Oil Pressure Alert | Standard |
| Temperature Alert | Standard |
| Rev-Limiter | Standard |
| Dimensions | |
| Overall Width | 480 mm/18.9 inches |
| Transom Height | |
| L Type | 508 mm/20 inches |
| X Type | 635 mm/25 inches |
| Dry Weight | |
| L-Type | 163 kg/359 lbs. |
| X-Type | 166 kg/365 lbs. |