Maximum displacement, ultimate performance
FourStroke 250-300HP
250hp300hpV-8 PowerMaximum DisplacementUltimate Performance
Maximum Displacement
Ultimate Performance
V-8 Power
Introducing FourStroke 250-300HP
Maximum displacement meets ultimate performance in the FourStroke 250-300HP V-8 range. These flagship engines represent the pinnacle of Mercury’s FourStroke technology, delivering exceptional power, refined operation, and advanced features for the most demanding applications and serious offshore adventures.
V-8 Supremacy
Maximum V-8 Power
Large displacement V-8 architecture delivers ultimate power and torque for the most demanding applications, from high-performance centers consoles to luxury sportfishing yachts.
Premium Engineering
Advanced materials, precision engineering, and cutting-edge technology combine to deliver the ultimate in marine propulsion performance and refinement.
Ultimate Performance
Exceptional acceleration, impressive top speeds, and smooth operation make these engines perfect for high-performance applications and serious offshore adventures.
Advanced Technology
State-of-the-art fuel injection, engine management systems, and SmartCraft integration provide comprehensive monitoring and optimal performance.
Specifications
Compare specifications across the FourStroke 250-300HP V-8 range.
| Specification | FourStroke 250HP | FourStroke 300HP |
|---|---|---|
| Horsepower | 250 | 300 |
| Engine Type | V-8 | V-8 |
| Displacement (CID/CC) | 280.0 / 4588 | 280.0 / 4588 |
| Dry Weight (Lightest Model) | 550 lbs / 249 kg | 550 lbs / 249 kg |
| Starting | Electric | Electric |
| Fuel Induction | EFI | EFI |
| Trim System | Power Trim | Power Trim |
| Controls | Remote | Remote |
| SmartCraft Compatible | Yes | Yes |
| Recommended Fuel | 91 Octane | 91 Octane |
Warranty & Maintenance
Warranty Coverage
Mercury makes world-class marine products backed by world-class warranties.
Review CoverageMercury Product Protection
Extended service contract for your Mercury engine that covers certain expenses after warranty expires.
Explore BenefitsPremium Maintenance
V-8 design with advanced diagnostics and premium service support for ultimate reliability and performance.
Maintenance & How-To