Honda Marine BF115C Outboard Motor
The Honda BF115 iST® combines Honda’s legendary reliability with an advanced Intelligent Shift & Throttle (iST®) drive-by-wire system, delivering smooth electronic controls, exceptional fuel economy, and responsive performance. Powered by a 2,354 cc DOHC 4-cylinder engine, the BF115 iST® is ideal for fishing boats, pontoons, offshore vessels, and commercial applications requiring precision control and dependable power.
Key Features
Outstanding Performance
- Powerful 115 HP DOHC 4-cylinder engine
- Large 2,354 cc (144 cu. in.) displacement
- Based on Honda’s proven Accord engine platform
- BLAST® (Boosted Low Speed Torque) dramatically improves hole-shot acceleration
- Lean Burn Control® improves fuel economy by up to 19% during cruising
- Multi-Port Programmed Fuel Injection (PGM-FI®) delivers instant starts, crisp throttle response, and maximum efficiency
- Twin counter-rotating balance shafts provide exceptionally smooth operation
- LAF (Linear Air Fuel) and Knock Sensors continuously optimize fuel delivery and ignition timing
- Engine Command Module monitors 18 engine sensors for peak performance
Honda iST® Drive-by-Wire
Honda’s Intelligent Shift & Throttle (iST®) system provides effortless electronic control and premium boating convenience.
Features include:
- Electronic shift and throttle control
- Plug-and-play installation
- Multi-engine compatibility
- Dual control station support
- Precision throttle adjustment at any speed
- Enhanced docking and slow-speed maneuvering
- Virtual positioning and anchoring
- Return-to-port capability
- Simple and intuitive user interface
Reliability & Durability
Honda engineered the BF115 iST® for dependable long-term performance.
Engine Protection
The Engine Alert System monitors:
- Overheating
- Low oil pressure
- Water in fuel
- Battery condition
- Over-revving
- Critical engine functions
Superior Corrosion Protection
- Double-Sealed corrosion-resistant paint process
- Stainless steel steering arm, tilt tube, and shafts
- Painted internal cooling passages
- Waterproof electrical connectors
- Fresh-water flush port
Built to Last
- Three-way cooling system
- Automotive-grade Honda engineering
- Heavy-duty stainless steel components
- Honda 5-Year Non-Declining Warranty
Convenience & Ease of Use
- NMEA 2000® compatibility for GPS, sonar, and multifunction displays
- High-output 55A alternator with 40A charging capacity
- Standard Variable Speed Trolling (650–900 RPM in 50 RPM increments)
- Standard Cruise Control
- Standard Automatic Tilt
- Standard Trim Support
- Standard Power Trim & Tilt
- Front-mounted oil filter for quick servicing
- Screw-type valve adjustment reduces maintenance costs
- Optional built-in Pitot tube for direct speedometer connection
Engine Specifications
| Specification | Details |
|---|---|
| Engine Type | 4-Stroke DOHC, 4 Cylinders / 16 Valves |
| Displacement | 2,354 cc (144 cu. in.) |
| Horsepower | 115 HP @ 5,250 RPM |
| Full Throttle Range | 4,500–6,000 RPM |
| Cooling System | Water Cooled |
| Fuel System | Multi-Port Programmed Fuel Injection (PGM-FI®) |
| Ignition | Microcomputer Programmed |
| Starting System | Electric |
| Exhaust | Through Hub |
| Recommended Fuel | Unleaded Gasoline (Minimum 86 Octane) |
Drive System
| Specification | Details |
|---|---|
| Gear Ratio | 2.14:1 |
| Gear Shift | Forward • Neutral • Reverse |
Equipment
| Feature | Availability |
|---|---|
| Alternator | 55A (40A Charging) |
| BLAST® | Standard |
| Lean Burn Control® | Standard |
| iST® (Drive-by-Wire) | Standard |
| Troll Control | Standard |
| Trim Support | Standard |
| Cruise Control | Standard |
| Automatic Tilt | Standard |
| Tilt Limit Setting | Standard |
| Power Trim & Tilt | Standard |
| VTEC® | Not Equipped |
| Propeller | Optional |
Dimensions
| Measurement | Specification |
|---|---|
| Overall Width | 618 mm (24 in.) |
| Recommended Transom Height (L-Type) | 508 mm (20 in.) |
| Recommended Transom Height (X-Type) | 635 mm (25 in.) |
Weight
| Model | Dry Weight |
|---|---|
| L-Type | 221 kg (487 lbs.) |
| X-Type | 224 kg (494 lbs.) |
Standard Features
- Honda iST® Drive-by-Wire System
- BLAST® Low-Speed Torque System
- Lean Burn Control®
- Multi-Port PGM-FI Fuel Injection
- High-Output 55A Alternator
- Power Trim & Tilt
- Automatic Tilt
- Cruise Control
- Trim Support
- Variable Speed Trolling
- NMEA 2000® Compatibility
- Engine Alert Monitoring
- Fresh-Water Flush Port
- Advanced Corrosion Protection
- Honda 5-Year Warranty
Ideal Applications
The Honda BF115 iST® is perfectly suited for:
- Offshore fishing boats
- Bay boats
- Pontoon boats
- Aluminum fishing boats
- Commercial workboats
- Family cruisers
- Multi-engine installations
- Coastal recreational boats
Why Choose the Honda BF115 iST®?
The Honda BF115 iST® combines 115 horsepower, advanced Intelligent Shift & Throttle (iST®) technology, BLAST® acceleration, Lean Burn® fuel efficiency, and Honda’s legendary durability into one premium outboard. With electronic drive-by-wire controls, intelligent engine management, and commercial-grade reliability, the BF115 iST® delivers exceptional performance, precise handling, and confidence on every trip.
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