Tohatsu MFS4 2025: Torque and a Proper Reverse Gear
The 2025 Tohatsu MFS4 continues on Tohatsu’s 123cc (7.5 cu in) single-cylinder platform, producing 4 HP (2.9 kW) with the low-end torque that comes from generous displacement. Full Forward-Neutral-Reverse gearing makes docking and beach launches straightforward, shallow water drive protects the gearcase, and Tohatsu’s Simpliq engineering keeps ownership uncomplicated. A dependable everyday choice in the small horsepower class.
Key Features (2025)
- 123cc single-cylinder four stroke
- Forward-Neutral-Reverse gearing
- Shallow water drive; lightweight design
- Simpliq technology
Specifications
- Engine: 1-cylinder four stroke, 123cc (7.5 cu in)
- Bore x Stroke: 59 x 45 mm (2.32 x 1.77 in)
- Horsepower: 4 HP (2.9 kW)
- Starting: Manual (recoil)
- Gearshift: Forward-Neutral-Reverse
- Steering: Tiller
- Fuel: Internal or external tank options, 87 octane unleaded
- Shaft: 15″ (S) / 20″ (L)
Benefits & Applications
For tenders, inflatables, jon boats, utility boats, and sail auxiliaries. Rivals: Suzuki DF4A 2025, Honda BF4 2025. More power on the same block: Tohatsu MFS5 2025.
Compare Model Years
See the MFS4 2024 and MFS4 2026, all Tohatsu Outboards, or the Tohatsu brand guide.
Frequently Asked Questions
What does the 2025 MFS4 cost?
$1,380, in stock and ready to ship.
Can I use an external fuel tank?
Yes — the MFS4 platform supports internal and external tank arrangements for extended range.
What gearing does it use?
Full Forward-Neutral-Reverse.



