- May Edition Black Friday! 35% Off Spare Parts.
- Free carbon neutral shipping on US orders $50+.
Get the Right Component at the Competitive Price for the Performance of Your Outboard.
Access a curated inventory of high-performance marine components designed for maximum durability. From precision-pitched propellers to critical ignition systems, every part is Hub-vetted to ensure your outboard operates at peak factory specifications.
The Mercury 300X is a masterpiece of high-performance engineering, widely regarded as one of the most powerful 2-stroke outboards ever produced. This extremely clean and highly maintained unit features the sought-after Sport Master 1.62 lower unit, making it the ultimate choice for high-speed bass boats, cats, and performance hulls. With only 149 original hours, this engine offers a rare opportunity to own a legendary "Pro Max" era powerhouse in pristine condition.
Key Specifications Table
| Attribute | Value |
| Brand | Mercury Racing |
| Model | 300X (3.0L V6) |
| Year | 2003 |
| Horsepower | 300 HP |
| Hours | 149 Original Hours |
| Lower Unit | Sport Master (1.62 Ratio) |
| Cowling | Factory Alien Cowl |
| Condition | Pre-Owned – Extremely Clean |
Recently Viewed Products
Upgrade your boat with this exceptionally clean, turn-key Mercury 50HP FourStroke outboard engine. Meticulously maintained and barely broken in, this motor has only 91.2 verified original running hours and zero active faults.
This comprehensive package comes complete with everything you need to hit the water, featuring a premium Mercury Vengeance Stainless Steel Propeller, analog Mercury RPM tachometer, full wiring harnesses, and premium steering/hydraulic connection hardware. The powerhead under the cowling is in flawless, showroom-clean condition.
Key Specifications
| Specification | Details |
| Brand & Model Line | Mercury 50HP FourStroke |
| Total Operating Hours | 91.2 Hours (Official diagnostic computer verified) |
| Active Faults | 0 Faults (100% Maintenance remaining) |
| Fuel Delivery | Electronic Fuel Injection (EFI) / FourStroke Efficiency |
| Starting & Trim Systems | Electric Start & Full Power Trim and Tilt |
| Included Propeller | Mercury Vengeance Stainless Steel 3-Blade |
| Rigging Accessories | Mercury Analog RPM Tachometer Gauge, Main Wiring Harnesses, Steering Linkage Rod/Hydraulic Assembly |
Expertly inspected, crated, and globally shipped. Your destination for high-performance outboards and tournament-ready vessels. Uncompromising quality for the modern mariner.
Need Help?
+1 530-237-4415
Monday – Friday: 9:00-17:00
Saturady: 10:00 – 15:00
Customer Service
Copyright 2025 © Marine Engine Hub. All right reserved.