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Honda BF115

  • Honda BF115
  • Honda BF115
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Overview
The Drive by Wire BF115 iST® is a big performer. Thanks to its Boosted Low Speed Torque (BLAST®), 3-Way Cooling System and having the largest displacement in its class, it has outstanding performance.

Honda BF115 Drive by Wire Outboard Motor

The Honda BF115 Drive by Wire Outboard Motor is a big performer. Thanks to its Boosted Low Speed Torque (BLAST®), 3-Way Cooling System and having the largest displacement in its class, it has outstanding performance. Plus, its high output alternator gives you an exceptional level of amps and the NMEA 2000 protocol allows engine data to be connected with onboard systems. The convenient and easy-to-use technology found in the Honda BF115 iST®helps to deliver a noticeably smooth and controlled boating experience. Harnessing Drive By Wire (DBW) technology, a system that relies on electronic controls for shifting and throttle (whereas a mechanical system relies on cables for shift and throttle), the Honda BF115 iST®moves past the stiffness of traditional mechanical motors. The BF115 iST®does not come with a propeller. Please consult with your Honda Dealer for propeller application assistance.
Specifications
Model
BF115
Category Name
Outboard Engines
Year
2024
Sale Type
New
Manufacturer
Honda
features
  • Stroke design based on Honda Accord
  • A powerful, compact 16-valve DOHC design creates more valve lift to pull in more air for increased horsepower
  • Low-maintenance design allows easy adjustment of the rocker arms.
  • Does not come with a propeller
  • Optional Honda iST® (Drive by Wire) command and control system

Performance and Efficiency

Stroke design, based on the Honda Accord

  • Based on the Honda Accord engine platform, the BF115 benefits from years of proven Honda engineering and reliability.

Dual Overhead CAM (DOHC)

  • A powerful, compact 16-valve DOHC design creates more valve lift to pull in more air for increased horsepower. Low-maintenance design allows easy adjustment of the rocker arms. No multiple shims or trial-and-error adjusting needed.

BLAST<sup>®</sup> System

  • Boosted Low Speed Torque, or BLAST<sup>®</sup>, improves acceleration at low speeds. A quick movement of the throttle control activates the BLAST<sup>®</sup> system, advancing the ignition curve aggressively. "Hole Shot" is vastly improved as more horsepower gets the hull up on plane quicker.

Multi-Port Programmed Fuel Injection (PGM-FI<sup>®</sup>)

  • Programmed Fuel Injection delivers the precise amount of fuel/air to each cylinder. The result is easy starts and instant throttle response with superior fuel efficiency.

Lean Burn Control<sup>®</sup>

  • Lean Burn Control<sup>®</sup> increases fuel efficiency by allowing combustion to operate on a leaner air/fuel mixture. At cruising speed, this engine runs on up to 19% less fuel* than its predecessor.
  • *Based on EPA Specific Fuel Consumption Mode.

Largest Displacement Engine

  • At 2,354 cc (144 cubic inches), the BF115 iST® has 21% more displacement than any competitor in it's class. The long-stroke design increases torque to deliver outstanding performance and efficiency.

Balanced Engine

  • Twin counter-rotating balancing shafts help minimize internal engine vibrations, thus providing smooth operation throughout the entire rpm range.

LAF & Knock Sensors

  • Linear Air Fuel (LAF) and knock sensors help determine correct fuel flow and ignition curve to maximize performance and fuel efficiency.

Engine Command System

  • The Engine Command Module receives constant input from 18 sensors located throughout the engine. It determines the correct fuel flow and ignition curve, providing optimum performance.

New Intuitive Drive-by-Wire System

  • The Honda iST® command and control system provides superb control and plug-and-play installation. The system offers all of the features boaters are looking for, including control of multiple engines and two control stations; effortless shift and throttle control; fine tuning of throttle settings at any speed; virtual positioning and anchoring, enhanced docking and slow speed control; return-to-port capability; and simple, easy-to-understand user interface.

Reliability and Durability

3-Way Cooling System

  • Three separate cooling systems keep the cylinder heads running cooler for long-term durability.

Engine Alert System

  • Uses visual, audio and rpm reduction circuits to alert the operator of overheating, low oil PSI, over-revving, water in fuel, battery condition, and critical engine functions.

Four-Front Corrosion Protection

  • A patented, "Double Sealed" multi-layered paint process. Sacrificial anodes and stainless steel technology, along with waterproof connectors and painted interior cooling passages, all enhance corrosion protection.

Fresh Water Flushport

  • Flushes debris and saltwater out of the engine, extending the life of the outboard.

Stainless Steel (Steering Arm, Tilt Tube and All Shafts)

  • Stainless steel components provide durability with long-term corrosion resistance.

Warranty

  • As a testament to their quality and reliability, all Honda engines come with a three-year, non-declining, non-commercial warranty or a one-year commercial warranty.

Convenience and Ease of Use

NMEA 2000 Protocols

  • NMEA 2000 protocols allow engine data to be interfaced with on-board systems and systems displays, such as sonar or GPS.

High-Output Charging

  • The system develops 55 total amps, which after self consumption, delivers 40 “charging” amps. 30 amps at 1000 rpm and 40 amps above 2000 rpm.

Variable Speed Trolling

  • Another great advantage for fisherman is the 115’s optional push-button variable speed trolling control. Simply push up or down in 50 rpm increments from 650 rpm to 900 rpm.

Easy Maintenance

  • An easy "screw-type" valve adjuster system requires no shims and reduces maintenance costs. Front-mounted oil filter and oil filler make for easy maintenance.

Built-in Pitot Tube (optional built-in Pitot Tube kit required)

  • Built-in pitot tube in the gear case eliminates the need to drill holes in your boat for installation.
engine
Type
4-Stroke DOHC; 4 Cylinder / 16 Valves
Exhaust
Through Prop Hub
Tilt Range
68°
Trim Range
-4° to +16°
Lubrication
Wet Sump
Displacement
2,354 cc / 144 cubic in.
Oil Capacity
6.70 L (5.90 Imp. qt) with oil filter repl.
Bore & Stroke
87 x 99 mm (3.43 x 3.89 in.)
Fuel Delivery
Programmed Electronic Fuel Injection (PGM-FI)
Cooling System
Water Cooled
Steering Angle
30°
Ignition System
MicroComputer Programmed
Recommended Oil
Honda 10W30 FC-W™ outboard motor oil
Steering System
Electric
Recommended Fuel
Unleaded Gas. (Min. Pump Octane 86)
Full Throttle RPM Range
4,500-6,000 RPM
Propshaft Rated Horsepower (HP)
115 hp @ 5,250 RPM
drive
Gear Ratio
2.14:1
Gear Shift
F-N-R
equipment
Over Rev-Limiter
Standard
Power Trim & Tilt
Standard
Temperature Alert
Standard
Oil Pressure Alert
Standard
Water In Fuel Alert
Standard
Speedometer Pickup
Standard
Battery Charging Power
40 amp
Battery Condition Alert
Standard
Alternator (Electric Start)
55 amp
Variable Speed Trolling Kit
Optional
dimensions
Overall Width
610 mm/24 in.
Transom Height (X-Type)
635 mm / 25 in.
Transom Height (L-Type)
508 mm / 20 in.
propeller
Propeller Type
Optional
dry weight
X-Type
221 kg/487 lb. (mech); 224kg/493 lb. (iST)
L-Type
218 kg/480 lb.(mech); 221kg/487lb. (iST)
literture
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