Mercury 6 HP FourStroke 2025: The Small-Block Power Pick
The 2025 Mercury 6 HP FourStroke continues as the strongest 123cc tune: quick acceleration, quiet through-prop exhaust, no-spill oil change, easy-out fuel filter, maintenance-free valve train, and the advanced tiller. Maximum small-single thrust in the small horsepower class.
Key Features (2025)
- 123cc single — 6HP top tune
- No-spill oil change; maintenance-free valve train
- Advanced tiller; through-prop exhaust
Specifications
- Engine: 1-cylinder four stroke, 123cc
- Horsepower: 6 HP
- Starting: Manual
- Steering: Tiller
- Fuel: Internal/external tank options, 87 octane
- Shaft: 15″ (S) / 20″ (L)
Benefits & Applications
For tenders, RIBs, jons, and sail auxiliaries. Rivals: Yamaha F6 2025, Honda BF6 2025. EFI upgrade: Mercury 8 HP EFI 2025.
Compare Model Years
See the 6 HP 2024 and 6 HP 2026, all Mercury Outboards, or the Mercury brand guide.
Frequently Asked Questions
What does the 2025 model cost?
$2,020, in stock.
Why the 6 over the 5?
Same weight and block — the 6 simply gives the platform’s maximum thrust.
Shaft options?
15″ and 20″.


