Four Stroke · Mid-Range
Tohatsu MFS25D
Understanding this Tohatsu model
Tohatsu MFS25D is a mid-range four-stroke outboard for fishing boats, RIBs, pontoons, utility craft and general recreational use. It sits in the Four Stroke series and VerFinder classifies it as Mid-Range. Verified official specifications include 25 ps (18.4 kw), 500 cc (30.5 cu.in.), 4 Stroke 3 Cylinder. VerFinder separates manufacturer facts from selection context and keeps the complete specification table below for checking the exact configuration.
Key verified facts
- Output
- 25 ps (18.4 kw)
- Displacement
- 500 cc (30.5 cu.in.)
- Engine
- 4 Stroke 3 Cylinder
- Weight
- 58 kg (128 lbs.)
- RPM range
- 5,000 - 6,000
- Starting
- Electric or Manual
- Control
- Remote Control or Tiller Handle
- Gear ratio
- 2.17:1 (12:26)
- Fuel
- Unleaded Gasoline (87 Octane)
Where it fits in the Tohatsu range
Within the Four Stroke series, VerFinder places Tohatsu MFS25D 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 25 hp 4-Stroke Benefits
- High Performance and Easy Operation
- Fundamentals for User Convenience and Reliability
- Warning and Protection
- FEATURES
- Steering Options
- Multi-function tiller handle with height adjustment
- 17.5 amp high-output charging system
- Optimum engine mount locations
- Minimal water drag gear case
Technical specifications
- Engine
- 4 Stroke 3 Cylinder
- Output
- 25 ps (18.4 kw)
- Displacement
- 500 cc (30.5 cu.in.)
- Bore x Stroke
- 61 x 57 mm (2.4 x 2.25 in)
- Max. RPM Range
- 5,000 - 6,000
- Starting
- Electric or Manual
- Control Type
- Remote Control or Tiller Handle
- Gear Shift
- Forward - Neutral - Reverse
- Gear Ratio
- 2.17:1 (12:26)
- Propeller Selection Range
- 8" - 14"
- 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
- 1.7L (1.8 qt.)
- Fuel Tank
- 25 L (6.6 US Gal.) Separate Fuel Tank
- Weight*
- 58 kg (128 lbs.)
- Alternator Output
- 12V, 210W, 17.5A
- Electronic Fuel Injection
- Standard
- Digital CD Ignition System
- Standard
- Start In Gear Protection
- Standard
- Thermostat Controlled Cooling System
- Standard
- Through-The-Prop Exhaust
- Standard
- Overheat Buzzer
- Standard
- Oil Pressure Warning
- Standard
- Power Trim and Tilt
- Option
- Variable Idle Speed
- 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 MFS25D?
Tohatsu MFS25D is a Tohatsu Four Stroke-series outboard. VerFinder classifies it in the Gasoline section and the Mid-Range class.
What is the rated output of Tohatsu MFS25D?
The official Tohatsu specification lists the output as 25 ps (18.4 kw).
What are the key technical specifications of Tohatsu MFS25D?
The complete verified specification table is shown on this page. Key values include 25 ps (18.4 kw), 500 cc (30.5 cu.in.), 4 Stroke 3 Cylinder, 58 kg (128 lbs.).
What should be checked before installing Tohatsu MFS25D?
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