Choose the Honda BF115JK1LDA 115HP Outboard when a bay boat or multi-species hull needs a 20-inch shaft with precise digital control at the helm. Its 2,354 cc inline four-cylinder DOHC engine uses 16 valves and produces 115 HP at 5,250 RPM, giving a properly rated boat useful power for fishing, cruising, and regular coastal travel. Honda BF115JK1LDA is an iST drive-by-wire outboard with Programmed Fuel Injection, electric starting, and Power Trim & Tilt. The Intelligent Shift and Throttle system replaces traditional mechanical control with an electronically managed operating arrangement.

At 472 lbs dry, this engine should be included in transom, balance, and repower planning before installation. The 20-inch long shaft suits boats designed for a standard long transom, while the 4,500–6,000 RPM full-throttle range provides a reference for evaluating propeller selection. A 40-amp alternator supplies 30 charging amps for supported onboard equipment. The listed engine oil capacity is 6.7 L with filter, while gearcase lubricant quantities and service intervals should be confirmed through the applicable Honda manual.

Honda BF115JK1LDA iST 20-Inch Outboard for Digital-Rigged Bay Boats

- Mount the 20-inch long shaft on boats designed for compatible standard-transom installations.
- DOHC Engine — uses a 2,354 cc inline four-cylinder, 16-valve 4-stroke configuration.
- 115 HP at 5,250 RPM provides a defined power rating for approved bay boats and multi-species hulls.
- 472 lbs dry weight requires careful attention to transom capacity, repower balance, and total boat loading.
- Use Intelligent Shift and Throttle for electronically managed shifting and throttle control from supported helm equipment.
- Power Trim & Tilt adjusts the engine position during acceleration, cruising, maneuvering, and trailering.
- Programmed Fuel Injection manages fuel delivery within the supplied Honda BF115JK1LDA engine configuration.
- 40 amps total, including 30 charging amps, supports compatible navigation equipment and onboard accessories.

Why Choose the Honda BF115JK1LDA

The iST system is the main reason to choose this model over a mechanically controlled version. It suits a digital-rigged boat owner who wants electronically managed shifting and throttle response while retaining the 20-inch transom format. The 115 HP rating and available charging output support properly matched fishing and cruising hulls.

- iST control suits digital-ready helm installations
- 20-inch shaft fits compatible long transoms
- 30 charging amps support onboard electronics

Applications & Use Cases

Honda BF115JK1LDA is suited to premium digital-rigged bay boats and multi-species hulls using a 20-inch transom. It can support fishing trips, coastal cruising, harbor travel, and family boating when the vessel is approved for 115 HP and the iST control system is compatible with the existing rigging.

- Digital-rigged bay boats with 20-inch transoms
- Multi-species fishing hulls requiring 115 HP
- Recreational cruising with iST helm controls

Warranty, Support & Maintenance

The supplied product information lists a 5-year non-declining standard warranty. Follow the applicable Honda owner’s manual for the 6.7 L engine oil capacity with filter, gearcase lubricant service, filter replacement, spark plug inspection, cooling-system checks, and iST control inspection. Confirm registration, dealer support, labor coverage, and regional warranty terms before purchase.