Mercury 8 HP EFI 2025: The Injected Eight Continues
The 2025 Mercury 8 HP EFI FourStroke keeps its class-rare advantage: electronic fuel injection on a 208cc twin for instant all-weather starts, smooth acceleration, and storage-proof fueling. Multi-function tiller, F-N-R gearing, manual or electric start, no-spill oil change, and maintenance-free valve train complete the package in the 8–10HP class.
Key Features (2025)
- EFI — surefire all-weather starting
- 208cc twin; smooth and quiet
- Multi-function tiller; F-N-R
- No-spill oil change; maintenance-free valve train
Specifications
- Engine: 2-cylinder four stroke, 208cc
- Horsepower: 8 HP
- Fuel Induction: EFI
- Starting: Manual or Electric
- Gearshift: Forward-Neutral-Reverse
- Steering: Tiller
- Fuel: External tank, 87 octane
- Shaft: 15″ (S) / 20″ (L)
Benefits & Applications
For 12–14 ft aluminum boats, tenders, inflatables, and kickers. Rival: Yamaha F8 2025. More power: Mercury 9.9 HP EFI 2025.
Compare Model Years
See the 8 HP EFI 2024 and 8 HP EFI 2026, all Mercury Outboards, or the Mercury brand guide.
Frequently Asked Questions
What does the 2025 model cost?
$2,720, in stock.
Manual or electric start?
Both configurations are offered.
Why EFI matters after storage?
No carburetor means no gummed jets — the engine fires right up in spring.


