Tohatsu MFS4 Portable Outboard Motor 2024 – 4HP Four Stroke

Tohatsu MFS4 2024: Real Gearing, Real Torque

The 2024 Tohatsu MFS4 marks the step up to Tohatsu’s larger 123cc (7.5 cu in) single-cylinder four stroke — bore and stroke 59 x 45 mm — producing 4 HP (2.9 kW) with noticeably more low-end torque than the 86cc engines below it. Just as importantly, this platform brings full Forward-Neutral-Reverse gearing, so docking and backing off a beach no longer means spinning the whole engine around. Tohatsu’s Simpliq design keeps servicing straightforward, and the engine remains light enough to carry comfortably. A serious all-rounder in the small horsepower class.

Key Features (2024)

• 123cc single-cylinder four stroke — strong low-end torque
• Forward-Neutral-Reverse gearing — proper reverse gear
• Lightweight, easy to carry and mount
• Shallow water drive; 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

The reverse gear alone justifies the step up for anyone who docks regularly — for tenders, inflatables, jon boats, utility boats, and sailboat auxiliary duty. Rivals: Suzuki DF4A 2024, Honda BF4 2024, Mercury 4 HP 2024. Same block, more power: Tohatsu MFS6 2024.

Compare Model Years

See the MFS4 2025 and MFS4 2026, all Tohatsu Outboards, or the Tohatsu brand guide.

Frequently Asked Questions

Does the Tohatsu MFS4 have reverse?

Yes — unlike the smaller 86cc models, the MFS4 has full Forward-Neutral-Reverse gearing.

How big is the engine?

123cc (7.5 cu in), with a 59 x 45 mm bore and stroke.

MFS3.5 or MFS4?

Choose the MFS3.5 for absolute minimum weight; choose the MFS4 for more torque and a proper reverse gear.