The Mercury 15hp EFI (15EH) elevates the portable outboard experience by combining Electric Start convenience with world-class Electronic Fuel Injection. This 333cc twin-cylinder engine offers the perfect balance of lightweight portability and push-button reliability. With its 15-inch short shaft and integrated alternator for battery charging, the 15EH is the ideal power solution for skiffs, larger inflatables, and fishing boats that require consistent performance and effortless operation.
Technical Specifications
| Model Number / MPN |
15EH |
| Horsepower |
15 HP (11.1 kW) |
| Shaft Length |
15 Inches (Short Shaft) |
| Engine Type |
Inline 2-Cylinder / 4-Stroke SOHC |
| Displacement |
333 cc (20.3 cubic inches) |
| Starting System |
Electric Start (with Manual Backup) |
| Alternator Output |
12-Amp (145 Watts) |
| Dry Weight |
Approx. 103 lbs (47 kg) |
Effortless Power, Superior Control
- Electric Start System: Provides quick, hassle-free ignition at the push of a button, complemented by a manual recoil for secondary backup.
- High-Output Alternator: A 12-amp charging system keeps your onboard electronics, lights, and sonar batteries topped up while underway.
- Advanced EFI Performance: Battery-free EFI technology ensures a stable idle and crisp acceleration without the maintenance headaches of a carburetor.
- Multi-Function Tiller: Total command in the palm of your hand—controlling throttle, shifting, steering, and stopping for intuitive operation.
- Durable 4-Front Corrosion Protection: Multi-layer paint and sacrificial anodes ensure longevity in demanding saltwater and freshwater environments.
Reliable Performance for Serious Boaters
The Mercury 15EH is designed for boaters who want the ease of electric starting without the weight of a heavy mid-range engine. Its compact design hides a powerful 333cc displacement that delivers impressive low-end torque for quick hole shots. Whether you're navigating shallow estuaries or open lake waters, the 15EH provides the quiet, fuel-efficient operation that Mercury is famous for. Built to professional standards, this engine represents the pinnacle of mid-range portable technology.
Frequently Asked Questions
1. Is a battery required for this model?
While the EFI system can run "battery-free" for starting via the manual recoil, a 12V battery is required to utilize the Electric Start and charging features.
2. What is the difference between the 15MRC and 15EH?
The 15EH includes an electric starter motor and a high-output charging alternator, making it slightly heavier but significantly more convenient for daily use.
Marine Equipment Specialist | Genuine Provider | Genuine Mercury Parts & Accessories
