Four Stroke · Mid-Range
Tohatsu MFS100A
Understanding this Tohatsu model
Tohatsu MFS100A 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 100 ps (73.6 kw), 1995 cc (121.6 cu.in.), 4 Cylinder. VerFinder separates manufacturer facts from selection context and keeps the complete specification table below for checking the exact configuration.
Key verified facts
- Output
- 100 ps (73.6 kw)
- Displacement
- 1995 cc (121.6 cu.in.)
- Engine
- 4 Cylinder
- Weight
- 178 kg (392 lbs.)
- RPM range
- 5,150 - 5,850
- Starting
- Electric
- Control
- Remote Control or Tiller Handle
- Gear ratio
- 2.08:1
- Fuel
- Unleaded Gasoline (87 Octane) or higher
Where it fits in the Tohatsu range
Within the Four Stroke series, VerFinder places Tohatsu MFS100A 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 100 hp 4-Stroke Benefits
- High Performance and Easy Operation
- Fundamentals for User Convenience and Reliability
- Warning & Protection
- FEATURES
- 4-2-1 Performance Tuned Exhaust
- Outstanding Torque
- Superior Durability & Optimized Weight
- Excellent Fuel Efficiency
- Quietness
Technical specifications
- Engine
- 4 Cylinder
- Output
- 100 ps (73.6 kw)
- Displacement
- 1995 cc (121.6 cu.in.)
- Bore x Stroke
- 84 x 90 mm (3.30 x 3.55 in)
- Max. RPM Range
- 5,150 - 5,850
- Starting
- Electric
- Control Type
- Remote Control or Tiller Handle
- Gear Shift
- Forward - Neutral - Reverse
- Gear Ratio
- 2.08:1
- Ignition System
- MicroComputer Programmed
- Transom Height
- 20", 25"
- Fuel
- Unleaded Gasoline (87 Octane) or higher
- Oil Type
- NMMA Certified FC-W® 4-stroke oil**
- Oil Capacity
- 4.2 L (1.11 gal.) w/filter
- Weight*
- 178 kg (392 lbs.)
- Alternator Output
- 12V, 492W, 41A
- Electronic Fuel Injection
- 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
- Standard
- Variable Idle Speed
- 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 MFS100A?
Tohatsu MFS100A 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 MFS100A?
The official Tohatsu specification lists the output as 100 ps (73.6 kw).
What are the key technical specifications of Tohatsu MFS100A?
The complete verified specification table is shown on this page. Key values include 100 ps (73.6 kw), 1995 cc (121.6 cu.in.), 4 Cylinder, 178 kg (392 lbs.).
What should be checked before installing Tohatsu MFS100A?
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