Four Stroke · Portable
Tohatsu MFS4D
Understanding this Tohatsu model
Tohatsu MFS4D is a portable four-stroke outboard for tenders, dinghies, inflatables and small fishing or utility boats. It sits in the Four Stroke series and VerFinder classifies it as Portable. Verified official specifications include 4 ps (2.9 kw), 123 cc (7.5 cu.in.), 4 Stroke 1 Cylinder. VerFinder separates manufacturer facts from selection context and keeps the complete specification table below for checking the exact configuration.
Key verified facts
- Output
- 4 ps (2.9 kw)
- Displacement
- 123 cc (7.5 cu.in.)
- Engine
- 4 Stroke 1 Cylinder
- Weight
- 26 kg (57 lbs.)
- RPM range
- 4,500 - 5,500
- Starting
- Manual
- Control
- Tiller Handle
- Gear ratio
- 2.15:1
- Fuel
- Unleaded Gasoline (87 Octane)
Where it fits in the Tohatsu range
Within the Four Stroke series, VerFinder places Tohatsu MFS4D beside the nearest published Tohatsu models shown below. This is a catalogue position, not a performance ranking: final selection depends on hull, load and exact configuration.
Technologies and characteristics
Official technology and feature names shown by Tohatsu for this model:
- Tohatsu 4 hp 4-Stroke Benefits
- Easy Operation and Handling
- Fundamentals for User Convenience and Reliability
- Protection
- FEATURES
- Front & Back Large Carry Handles
- 3-Way Storage
- Front Mounted Shift Lever
- Longer Tiller Handle
- Integral Tank
Technical specifications
- Engine
- 4 Stroke 1 Cylinder
- Output
- 4 ps (2.9 kw)
- Displacement
- 123 cc (7.5 cu.in.)
- Bore x Stroke
- 59 x 45 mm (2.32 x 1.77 in)
- Max. RPM Range
- 4,500 - 5,500
- Starting
- Manual
- Control Type
- Tiller Handle
- Gear Shift
- Forward - Neutral - Reverse
- Gear Ratio
- 2.15:1
- Propeller Selection Range
- 6" - 9"
- Transom Height
- 15", 20"
- Fuel
- Unleaded Gasoline (87 Octane)
- Oil Type
- NMMA Certified FC-W® 4-stroke oil** SAE 10W-30/40 (SF, SG, SH, SJ)
- Oil Capacity
- 450 mL (15 fl. oz.)
- Fuel Tank
- 1.1L (0.29 US Gal.) Integral Tank (includes an External Fuel Tank Connector installed on engine to allow user to use an optional external fuel tank)
- Weight*
- 26 kg (57 lbs.)
- Alternator Output
- Optional: 12V, 60W, 5A
- Digital CD Ignition System
- Standard
- Start In Gear Protection
- Standard
- Thermostat Controlled Cooling System
- Standard
- Through-The-Prop Exhaust
- Standard
- Oil Pressure Warning
- Standard
- Shallow Water Drive
- Standard
Before choosing a configuration
Check the boat manufacturer’s permitted horsepower and transom specification, shaft length, steering/control type, starting system, trim/tilt equipment, propeller choice and the installed weight of the exact configuration.
Frequently asked questions
What type of outboard is Tohatsu MFS4D?
Tohatsu MFS4D is a Tohatsu Four Stroke-series outboard. VerFinder classifies it in the Gasoline section and the Portable class.
What is the rated output of Tohatsu MFS4D?
The official Tohatsu specification lists the output as 4 ps (2.9 kw).
What are the key technical specifications of Tohatsu MFS4D?
The complete verified specification table is shown on this page. Key values include 4 ps (2.9 kw), 123 cc (7.5 cu.in.), 4 Stroke 1 Cylinder, 26 kg (57 lbs.).
What should be checked before installing Tohatsu MFS4D?
Before installation, verify permitted horsepower, transom and shaft length, controls, starting, trim/tilt, propeller selection and installed weight for the exact version.
Verified official source
Sources and verification
Source checked: 2026-09-02