Honda 50HP 4-Stroke Outboard Motor

Engineered for Maximum Efficiency & Agility

The Honda 50HP 4-Stroke Outboard sets the benchmark for mid-range marine power. Engine dynamic design makes it one of the lightest engines in the 50 horsepower category, significantly reducing draft depth and improving overall hull agility. Whether you are navigating shallow coastal flats or cruising freshwater lakes, this motor delivers whisper-quiet operation and smooth idling. If you are exploring options across power bands, browse our complete selection of 4-Stroke Outboards or check out our full lineup of Honda Outboard Motors.

Key Performance & Smart Fuel Technologies

• BLAST® System (Boosted Low Speed Torque): Rapidly advances ignition timing during full-throttle hole-shots to generate instant low-end torque, getting your vessel on plane in seconds.

• Lean Burn Control (ECOmo®): Automatically recalibrates the air-to-fuel ratio during cruising speeds, saving up to 20% more fuel compared to standard carbureted or non-lean burn engines.

• Programmed Fuel Injection (PGM-FI): Controls exact fuel metering for quick, turn-key starting in cold or warm conditions and delivers crisp throttle response across the entire RPM curve.

• NMEA 2000® Connectivity: Seamlessly interfaces with marine electronics, engine telemetry units, and MFD chartplotters without costly interface boxes. Have questions about gauge setup? Check out our FAQs page.

Corrosion Protection & Built-to-Last Durability 

Built to withstand brutal saltwater environments, Honda equips this engine with a multi-stage 4-Front Corrosion Protection process. Featuring double-sealed epoxy primer, sacrificial anodes, and a built-in freshwater flushing port, engine internal passages remain clear of salt residue build-up. For full details on operating coverage, consult our Warranty Policy.

Technical Specifications

Specification	Details
Horsepower	50 HP @ 5800 RPM
Engine Type	4-Stroke 3-Cylinder SOHC 6-Valve
Displacement	808 cc (49.3 cu in)
Bore x Stroke	70 mm x 70 mm
Full Throttle RPM Range	5500 – 6000 RPM
Fuel Delivery	Programmed Electronic Fuel Injection (PGM-FI)
Starting System	Electric Start
Cooling System	Water-Cooled with Thermostatic Control
Alternator Output	22 Amp (17 Charging Amps)
Gear Ratio	2.08:1
Dry Weight	98 kg (214 lbs)
Transom Heights	20″ (Long) / 25″ (Extra Long)

What’s Included in the Package

• 1x Honda 50HP 4-Stroke Outboard Engine

• 1x Aluminum Propeller (pitched to customer specification)

• 1x Side Mount or Top Mount Remote Control Box

• 1x Digital Multi-Function Gauge Panel

• 1x Safety Lanyard & Kill Switch Assembly

• 1x Owner’s Manual & Rigging Documentation

For crate dimensions, freight carrier details, and unloading requirements, please view our Shipping & Freight Policy.

Scientific & Technical References

• To learn more about environmental compliance and low-emission marine engine ratings, review the California Air Resources Board (CARB) Marine Engine Regulations.

• For technical documentation on electronic fuel injection and engine diagnostic management standards, consult the Society of Automotive Engineers (SAE) Marine Standards.

Frequently Asked Questions (FAQs)

1. Is the Honda 50HP 4-stroke engine suitable for aluminum side consoles and pontoon boats?

Yes. Thanks to its lightweight design (under 215 lbs) and high-torque gearing, it is one of the most popular repower engines for aluminum bass boats, small pontoons, skiffs, and rigid inflatables (RIBs).

2. Does this motor have enough alternator output to charge my house battery?

The Honda 50HP comes equipped with a 22-amp belt-driven alternator that delivers 17 charging amps at cruising speeds, providing ample power for fishfinders, livewell pumps, and nav lights.

3. What fuel octanes and blends are recommended?

It is optimized to run on standard 87 pump octane unleaded gasoline. Using ethanol-free marine fuel (or adding fuel stabilizer) is highly recommended to protect the PGM-FI system against phase separation.

4. How are transit damages handled during freight shipping?

All shipments are fully insured during transport. In the unlikely event of physical damage upon arrival, please consult our Refund & Returns Policy or reach out immediately via our Contact Us page.