Proven reliability, outstanding efficiency
FourStroke 75-150HP
75hp90hp115hp150hpInline-4
Proven Reliability
Outstanding Efficiency
Smooth Operation
Introducing FourStroke 75-150HP
Proven reliability meets outstanding efficiency in the FourStroke 75-150HP range. These inline-4 powerhouses deliver smooth operation, excellent fuel economy, and the dependable performance you need for serious fishing and family adventures. Built for the long haul with Mercury’s legendary durability.
Performance-Driven Features
Inline-4 Power
Four-cylinder inline design delivers smooth, balanced power with exceptional vibration dampening for a refined on-water experience at any speed.
Fuel Efficiency
Advanced fuel injection and engine management systems deliver outstanding efficiency, getting you farther on every tank while reducing operating costs.
SmartCraft Integration
Full SmartCraft compatibility provides advanced engine monitoring, diagnostic capabilities, and integration with modern marine electronics systems.
Proven Durability
Built with Mercury’s legendary quality and durability standards, these engines are designed to provide years of reliable service in demanding marine environments.
Specifications
Compare specifications across the FourStroke 75-150HP inline-4 range.
| Specification | FourStroke 75HP | FourStroke 90HP | FourStroke 115HP | FourStroke 150HP |
|---|---|---|---|---|
| Horsepower | 75 | 90 | 115 | 150 |
| Engine Type | Inline-4 | Inline-4 | Inline-4 | Inline-4 |
| Displacement (CID/CC) | 79.2 / 1298 | 79.2 / 1298 | 79.2 / 1298 | 79.2 / 1298 |
| Dry Weight (Lightest Model) | 356 lbs / 161 kg | 356 lbs / 161 kg | 356 lbs / 161 kg | 356 lbs / 161 kg |
| Starting | Electric | Electric | Electric | Electric |
| Fuel Induction | EFI | EFI | EFI | EFI |
| Trim System | Power Trim | Power Trim | Power Trim | Power Trim |
| Controls | Remote | Remote | Remote | Remote |
| SmartCraft Compatible | Yes | Yes | Yes | Yes |
| Recommended Fuel | 87 Octane | 87 Octane | 87 Octane | 87 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 BenefitsProven Maintenance
Inline-4 design offers simplified maintenance schedules and easy access for routine service.
Maintenance & How-To