The Mercury 20hp EFI (20EL) combines high-tech performance with ultimate convenience. Featuring Electric Start and a sophisticated battery-free Electronic Fuel Injection (EFI) system, this 333cc twin-cylinder engine delivers immediate throttle response and turnkey reliability. With its 20-inch long shaft and lightweight architecture, the 20EL is the perfect power choice for high-transom aluminum boats, inflatables, and sailboats that require consistent, fuel-efficient propulsion.
Technical Specifications
| Model Number / MPN |
20EL |
| Horsepower |
20 HP (14.7 kW) |
| Shaft Length |
20 Inches (Long Shaft) |
| Engine Type |
Inline 2-Cylinder / 4-Stroke SOHC |
| Displacement |
333 cc (20.3 cubic inches) |
| Starting System |
Electric Start (Manual Backup) |
| Alternator Output |
12-Amp (145 Watts) |
| Dry Weight |
Approx. 107 lbs (49 kg) |
Effortless Power, Built for Durability
- Reliable Electric Start: Push-button starting convenience for fast departure, plus a manual recoil for extra security on the water.
- Advanced EFI Performance: Ensures smooth idling, turnkey starts in cold weather, and exceptional fuel economy at cruising speeds.
- Ambidextrous Tiller Control: Center-mounted tiller with adjustable friction, throttle, and steering for comfortable one-handed operation.
- Integrated Charging: A 12-Amp alternator system keeps your starting battery topped up to power your sonar and lighting.
- Mercury 4-Front Corrosion Protection: Features marine-grade alloys and multi-stage paint to survive the harshest saltwater environments.
Professional Grade for Long-Transom Hulls
The Mercury 20EL is designed for boaters who prioritize simplicity without sacrificing modern technology. Its high-displacement 2-cylinder powerhead provides the torque required to get on plane quickly, even with full gear. Featuring a maintenance-free valve train and an easy-access oil drain system, this 20hp EFI is engineered for a low cost of ownership. Backed by Mercury’s legendary reliability, it is the benchmark for performance in the mid-range portable category.
Frequently Asked Questions
1. Is a battery required to use this motor?
While the EFI system can operate "battery-free" for manual starting, a 12V battery is required to utilize the Electric Start and onboard charging features.
2. Does it include a fuel tank and line?
Yes. This model comes standard with a 3.2-gallon (12L) external fuel tank and the required fuel line with quick-connect fittings.
Marine Equipment Specialist | Genuine Provider | Genuine Mercury Parts & Accessories
