Tohatsu 140HP MFS140AETCUL Counter Rotation Outboard – 25″ Shaft, Tiller/Remote Mechanical
The Tohatsu MFS140AETCUL is a 140HP 2.0L inline-four four-stroke counter-rotation outboard motor featuring a 25-inch shaft and versatile tiller or remote mechanical control compatibility.
- Engine type: Four-stroke I4 2.0L displacement block.
- Fuel system: Multi-port sequential electronic fuel injection.
- Shaft length: 25 inch long shaft size.
- Gearcase: Counter rotation left-hand propulsion system.
- Control: Flexible configuration for tiller handle or remote mechanical setups.
Description
Tohatsu MFS140AETCUL 140HP Outboard Motor
To address the challenges of torque steer and acceleration in dual-engine configurations, the Tohatsu 140HP MFS140AETCUL Counter Rotation utilizes a high-torque 4-cylinder architecture and an industry-first 4-2-1 Performance Tuned Exhaust manifold. This engineering configuration is optimized for 25-inch transoms and offers a versatile rigging interface that supports both tiller and remote mechanical controls for heavy-duty offshore applications. By utilizing specialized exhaust suction to pull gases from the engine more efficiently, the system ensures exceptional low-end torque for rapid hull planning on deep-V fiberglass platforms. The counter-rotating gearcase eliminates steering torque when paired with a standard rotation unit, providing superior vessel tracking for professional maritime operators.
Maintaining peak operational efficiency while meeting stringent emission standards ensures the Tohatsu 140HP MFS140AETCUL provides the marine propulsion platform reliability required by coastal mariners. Corrosion resistance is maximized through the use of anodized aluminum components and over 16 sacrificial anodes strategically placed throughout the block and gearcase. The high-output 41-amp alternator delivers steady electrical current to support high-draw navigational electronics and maintain battery health during intense offshore operations. This system architecture ensures long-term thermal stability and mechanical reliability even when the engine is pushed to its absolute limits in demanding marine environments.
Key Features of Tohatsu 140HP MFS140AETCUL
- 140HP 4-stroke delivers consistent low-end torque
- 4-2-1 Tuned Exhaust maximizes acceleration
- 394 lbs chassis provides excellent power-to-weight ratio
- 25 inch shaft clears deep-V transoms
- Counter Rotation eliminates steering torque in twin setups
- Freshwater flushing system simplifies maintenance
- 5 year warranty includes nationwide service network
Tohatsu 140HP MFS140AETCUL Counter Specs
| Brand | Tohatsu |
| Full Model Code | MFS140AETCUL (Aqua Marine Blue) |
| Country of Origin | Japan |
| Engine Family/Series | MFS FourStroke (Counter Rotation) |
| Engine Type | Inline 4 / 16-Valve DOHC / 4-Stroke |
| Displacement | 2.0 Liters (1995 cc) |
| Horsepower | 140 HP @ 5500 RPM |
| Full Throttle RPM Range | 5150 - 5850 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) |
| Alternator Output | 41 Amps |
| Gear Ratio | 2.08:1 |
| Shaft Length | 25" (X-Long) |
| Dry Weight | 182 kg (401 lbs) |
| Bore x Stroke | 84 x 90 mm |
| Starting & Steering System | Electric w/ Tiller or Remote Compatibility |
| Trim/Tilt Method | Power Trim & Tilt |
| Oil Capacity | 4.2L |
| Recommended Fuel | 87 Octane |
| Standard Warranty | 5-Year Limited |
| Application | Port-side unit for twin configurations requiring the lightest weight-to-power ratio in class. |
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