Honda 140hp iST Outboard BF140AK1XDA

The Honda 140hp iST Outboard BF140AK1XDA represents the latest evolution of Honda’s mid-range outboards, combining upgraded durability with advanced Intelligent Shift and Throttle (iST®) drive-by-wire technology. Built with an extra-long 25-inch shaft, this model is ideal for deeper transoms and offshore-style hulls. Engineered by Honda Marine, it delivers smooth digital control, refined power, and long-term reliability.

Features and Performance

• Intelligent Shift & Throttle (iST®) drive-by-wire system for smooth, precise helm control

• 2,354cc 4-Cylinder Engine delivers strong torque with low vibration

• Dual Overhead Cam (DOHC) design improves airflow and high-RPM performance

• Dual-Stage Induction optimizes power delivery across the RPM range

• PGM-FI Electronic Fuel Injection ensures easy starting and crisp throttle response

• Lean Burn Control enhances fuel efficiency during cruising

• Updated Vapor Separator Fastener improves long-term reliability

• Revised Oil Pump & Cylinder Head Gasket Design increase durability and sealing

• 3-Way Cooling System maintains stable operating temperatures under load

• Power Trim & Tilt for effortless trim adjustment and shallow-water maneuvering

• High Output 40-Amp Charging System supports modern marine electronics

• Fresh Water Flush Port & Enhanced Corrosion Protection simplify maintenance and extend engine life

• Variable Speed Trolling provides precise RPM control for anglers

Why You Should Buy It

If you need a 140hp extra-long shaft outboard with advanced digital control and upgraded durability, the BF140AK1XDA is an outstanding choice. Its iST drive-by-wire system delivers smoother shifting and cleaner installation than traditional cable systems, while the DOHC engine provides responsive, fuel-efficient performance. Backed by a 5-year Honda Marine factory warranty, it’s built for confidence, comfort, and long-term value.

FAQ – Honda 140hp iST Outboard BF140AK1XDA

Q: What’s new in the BF140AK1XDA compared to earlier BF140 models?
This upgraded version includes durability improvements such as revised vapor separator fasteners, updated oil pump design, and enhanced corrosion protection.

Q: What is Honda iST?
iST (Intelligent Shift and Throttle) is Honda’s drive-by-wire system that provides smooth, precise shifting and throttle control without mechanical cables.

Q: Does this model include power trim & tilt?
Yes. Power trim & tilt is standard.

Q: What shaft length does this outboard use?
It features a 25-inch extra-long shaft, ideal for deeper transoms and offshore applications.