Tohatsu MFS3.5 2025: The Smart Step Up
The 2025 Tohatsu MFS3.5 continues to be the value pick of Tohatsu’s smallest engines: an 86cc (5.2 cu in) single tuned to 3.5 HP (2.6 kW), with ergonomic front and rear carrying handles, integral fuel tank, 360° tiller steering, and shallow water drive. You get real extra push over a 2.5 without giving up one-hand portability — the sweet spot of the small portable class.
Key Features (2025)
- 86cc single tuned to 3.5 HP
- Front and rear carrying handles
- 360° tiller steering; shallow water drive
- Integral fuel tank; Simpliq technology
Specifications
- Engine: 1-cylinder four stroke, 86cc (5.2 cu in)
- Bore x Stroke: 55 x 36 mm (2.17 x 1.42 in)
- Horsepower: 3.5 HP (2.6 kW)
- Starting: Manual (recoil)
- Steering: Tiller, 360°
- Fuel: Integral tank, 87 octane unleaded
- Shaft: 15″ (S) / 20″ (L)
Benefits & Applications
For tenders, inflatables, canoes, jon boats, and sail kickers. Rivals: Mercury 3.5 HP 2025, Suzuki DF2.5 2025. Bigger block: Tohatsu MFS4 2025.
Compare Model Years
See the MFS3.5 2024 and MFS3.5 2026, all Tohatsu Outboards, or the Tohatsu brand guide.
Frequently Asked Questions
What does the 2025 MFS3.5 cost?
$1,290, in stock and ready to ship.
MFS3.5 or MFS4?
The MFS3.5 uses the compact 86cc block for maximum portability; the MFS4 steps up to a larger 123cc engine with more torque.
Is the fuel tank built in?
Yes — an integral tank is standard, so no external tank or hose is required.



