Honda BF100AK1 LRTU – 100HP 4-Stroke Outboard Engine (Long Shaft, Electric Start & Tilt, Remote Steering)

Code:

BF100AK1LRTU

Features

Engine hp:

100 hp
Engine type:

4 cylinders inline / SOHC 8 valves
Displacement:

1496 cc (L)
Max. RPM:

5500 - 6300 RPM RPM
Alternator Amp / Watt:

35A / 441W with water-cooled voltage regulator
Engine protection system:

Oil pressure, RPM, Temperature
Reduction gear ratio:

2.33:1
Ignition type:

CDI Microcomputer
Fuel system:

PFI
Cooling system:

Water cooling + thermostat
Gears:

F-N-R
Exhaust system:

Through the propeller
Propeller:

Yes

The Honda BF100AK1 is a high-performance 100 HP outboard that delivers powerful acceleration and exceptional fuel economy. Built on Honda’s proven automotive-grade technology, this 4-cylinder engine with VTEC provides reliable power for mid-sized boats.

VTEC variable valve timing – broad torque curve and strong top-end speed
PGM-FI electronic fuel injection with ECOmo lean burn – up to 20% better fuel efficiency at cruising speed
BLAST system for instant acceleration – quick planing even under heavy load
High-output 35A alternator (water-cooled regulator) – keeps battery charged and onboard electronics powered
Long 20″ shaft with remote steering and power trim – ideal for 5–6 m boats (RIBs, center consoles, sport-fishing vessels)

Model: LRTU LRTU PACK XRTU XRTU PACK

Price: €10,732⁰² 20990⁰¹лв.

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166.000 Kgs

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Based on a 1.5L inline-4 engine, the Honda BF100AK1 incorporates advanced technologies like VTEC, PGM-FI fuel injection, and Lean Burn control to achieve top-tier performance. VTEC varies the valve timing to broaden the power band – delivering strong mid-range torque and impressive top-end speed. The programmed fuel injection (PGM-FI), combined with Honda’s ECOmo lean burn system, allows the BF100 to run with up to 20% less fuel consumption at cruising speeds without sacrificing power.

The BF100 is engineered with a three-way cooling system to maintain steady operating temperatures and ensure reliability under heavy loads. Its high-output 35A alternator keeps the battery charged and all onboard electronics powered even while trolling at low RPM. The hydrodynamic gear case reduces drag and splashing, improving both acceleration and top speed. Plus, Honda’s multi-layer corrosion protection – including double-sealed paint, sacrificial anodes, and waterproof connectors – safeguards the engine in saltwater conditions and extends its longevity.

As with all Honda outboards, the BF100AK1 comes with a 5-year residential warranty, providing the owner with added peace of mind and confidence in the engine’s long-term durability.

Recommended Uses: Well-suited for boats around 5–6 meters in length (such as RIBs, center-console sport boats, and coastal fishing vessels) where a balance of strong acceleration, high top-end speed, and fuel efficiency is desired.
Variants: Available in Long (20″) and Extra-Long (25″) shaft versions, making it adaptable to standard or taller transoms as well as twin-engine installations. For added style, Honda offers this model in its signature silver or an optional white edition (on select versions) to better match your boat’s appearance.