Outboard Engine (Petrol/SI) · Shaft Line & Propulsion
Crew members and marine operators depend on reliable outboard engines like the 2026 American Honda Motor THNXM3.582G2 for their critical roles on board, ensuring smooth operations and safety. This 4-stroke engine, with a displacement of 3.6 liters, offers 186 horsepower through its V-arrangement six-cylinder design, making it suitable for various marine applications. Engineered in Japan, this model is designed to last up to 350 hours or 10 years, ensuring long-term performance and reliability. The engine's naturally aspirated sequential multiport fuel injection system works seamlessly with seawater cooling, providing efficient operation in maritime environments. Regular maintenance focuses on checking for issues like hard starting, cooling-water restrictions, gearcase lubricant loss, fuel contamination, corrosion, and steering faults. Proper spare parts and service practices are crucial to avoid downtime and ensure optimal performance during operations at sea.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
What our service work and the manufacturer documentation say about keeping this model running.
Check cooling-water discharge, intake condition and the water-pump service history, and inspect the gearcase for oil leakage or impact damage. Inspect spark plugs, ignition components, fuel filters, hoses and connections for deterioration or contamination. Check propeller, propeller shaft, anodes, skeg, trim and tilt system and steering connections for damage and secure attachment. Inspect the engine mounting and transom for movement, cracking or corrosion. Verify alarms, emergency stop lanyard or equivalent shutdown device, neutral-start interlock and control operation where fitted. For cylinder dimensions, rotational speed, pressures, clearances, temperatures, wear limits and setting values, refer to the manufacturer documentation for the exact figure.
Carry spark plugs specified for the engine, fuel-filter elements, approved fuel and cooling-system service items, water-pump service parts, gearcase drain seals, propeller hardware and sacrificial anodes. Useful operational spares can include an appropriate spare propeller, ignition or sensor components, fuses and trim/tilt service items according to the installed control system. Refer to manufacturer documentation for the exact spare selection.
Free of charge — send us your request for American Honda Motor equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, American Honda Motor first.
Tell us what you need for this American Honda Motor THNXM3.582G2 — a part, a service call, a second opinion. Are you American Honda Motor? Claim this brand page.
Service engineer? Write the day report for this THNXM3.582G2 in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.