Mercury 25 HP EFI 2026: The Current Injected Triple
The 2026 Mercury 25 HP EFI FourStroke is the newest build of Mercury’s 500cc three-cylinder with battery-free EFI: instant no-battery starting, triple-cylinder smoothness, multi-function tiller, F-N-R, and the full configuration menu including power trim. The current refined leader of the 25HP outboard class.
Key Features (2026)
- Battery-free EFI; 500cc triple
- Multi-function tiller; F-N-R
- Manual/electric; tiller/remote; power trim options
Specifications
- Engine: 3-cylinder four stroke, 500cc
- Horsepower: 25 HP
- Fuel Induction: Battery-free EFI
- Starting: Manual or Electric
- Gearshift: Forward-Neutral-Reverse
- Steering: Tiller or remote; power trim available
- Fuel: External tank, 87 octane
- Shaft: 15″ (S) / 20″ (L)
Benefits & Applications
Current-year triple smoothness for 15–18 ft aluminum boats, skiffs, RIBs, pontoons, and workboats. Rivals: Suzuki DF25A 2026, Honda BF25 2026. Flagship: Mercury 30 HP EFI 2026.
Compare Model Years
Save with the 25 HP EFI 2024 or 25 HP EFI 2025, all Mercury Outboards, or the Mercury brand guide.
Frequently Asked Questions
How much is the 2026 model?
$5,850, in stock.
Why the Mercury 25?
Battery-free injection, triple smoothness, and the widest rigging menu in the class.
Best boats?
15–18 ft aluminum boats, skiffs, RIBs, and pontoons.



