Honda BF140ALDA 140HP iST 20 Outboard Engine – Premium Performance with Intelligent Control

Elevate your boating experience with the newly engineered Honda BF140ALDA 140HP iST 20 Outboard Engine For sale at our shop. Designed with cutting-edge performance upgrades and Honda’s renowned reliability, the BF140ALDA brings together advanced marine innovation, powerful acceleration, and intelligent digital control. Available in striking Aquamarine Silver or Grand Prix White, this outboard blends sleek styling with unmatched power and fuel efficiency—making it the ideal choice for boaters who demand precision and performance.

This model features Honda’s Intelligent Shift & Throttle (iST®) system for effortless control and seamless integration with modern electronics and steering systems. Combined with exclusive features like BLAST™, VTEC®, Lean Burn Control, and Dual Stage Induction, the BF140ALDA is engineered for powerful performance, responsive handling, and smooth operation at all speeds.

What’s Included

• Honda BF140ALDA 140HP iST 20″ Outboard Engine

• Power Trim & Tilt System

• 40-Amp High-Output Charging System

• Owner’s Manual

• Honda Marine 5-Year Factory Warranty

Key Features

• iST Digital Control System – Intelligent Shift & Throttle provides smooth, precise control with plug-and-play integration for electronics and dual-engine setups.

• VTEC Technology – Optimizes power and efficiency by adjusting valve timing and lift at high RPMs (140 & 150HP models).

• BLAST™ System – Boosted Low Speed Torque improves hole shot and rapid acceleration from low speeds.

• Dual Stage Induction – Enhances airflow for increased combustion efficiency (140 & 150HP models).

• Lean Burn Control – Achieves best-in-class fuel efficiency by adjusting air-fuel mixture during cruise.

• 24-Valve DOHC Engine – Dual overhead camshafts improve power output at high speeds.

• PGM-FI Fuel Injection – Multi-port fuel injection for smooth starts and consistent power.

• Corrosion Resistance – Patented 4-Front protection system, repositioned anodes, and a bolt coating increase durability in saltwater environments.

• Fresh Water Flushport – Simplifies engine maintenance and protects internal components from salt and debris.

• 3-Way Cooling System – Keeps cylinder heads cooler for extended engine life.

• Variable Speed Trolling – Adjustable trolling in 50 RPM increments for better control while fishing.

• NMEA 2000 Compatibility – Easy integration with GPS, sonar, and other marine systems.

Honda BF140ALDA 140HP iST 20 Specifications

• Model: BF140ALDA

• Engine Type: 4-Stroke DOHC, iST (Intelligent Shift & Throttle)

• Horsepower: 140 HP

• Cylinders: 4 Cylinder

• Displacement: 2,354 cc

• Shaft Length: 20″ (Long)

• Full Throttle RPM Range: 5,000 – 6,000 RPM

• Steering: Drive-by-Wire iST System

• Starting System: Electric Start

• Weight: 487 lbs

• Cooling System: Water-Cooled

• Fuel Delivery: Programmed Fuel Injection (PGM-FI)

• Tilt Range: 68°

• Trim Range: -4° to 16°

• Warranty: Honda Marine 5-Year Limited Warranty

Benefits

• Unrivaled Control – The iST system allows for seamless throttle adjustments, perfect for tight maneuvers, docking, or fishing.

• Enhanced Durability – Advanced corrosion resistance and freshwater flush systems protect your investment in harsh marine environments.

• Fuel Efficient – Up to 20% more efficient than competitors at cruising speed, helping you go farther on every tank.

• Easy Maintenance – Redesigned access points reduce service time for oil changes, spark plugs, and other routine checks.

• Dual Engine Ready – Compatible with joystick steering systems like Optimus 360 and SeaStation for precision control and virtual anchoring.

Frequently Asked Questions (FAQs)

Q: What kind of boats is the BF140ALDA best suited for?
A: The BF140ALDA is perfect for fishing boats, center consoles, pontoons, and runabouts requiring a 20” shaft and powerful, fuel-efficient outboard.

Q: What is iST?
A: iST (Intelligent Shift & Throttle) is Honda’s drive-by-wire control system offering seamless throttle response, smoother shifting, and multi-engine capability.

Q: Does this engine work in saltwater environments?
A: Absolutely. It’s built with Honda’s 4-Front Corrosion Protection System and freshwater flushport for long-lasting performance in saltwater conditions.

Q: Can I use this engine with my existing marine electronics?
A: Yes, it supports NMEA 2000, which allows full integration with most marine electronics including GPS, fish finders, and multi-function displays.

Q: What maintenance does it require?
A: Routine tasks like oil and filter changes are simplified with accessible components. The onboard Engine Alert System also monitors critical functions to ensure long-term health.

Availability: 12 In Stock
Model: BF140ALDA
Brand: Honda Marine