The Tohatsu MFS140A is a high-performance 4-stroke outboard engine designed to deliver exceptional torque and acceleration across the entire RPM range. Its innovative 4-2-1 Performance Tuned Exhaust system maximizes low-end torque, enabling quicker planing and higher top-end speeds. This unique design is an industry-first and is exclusive to Tohatsu outboards.
- 4-2-1 Performance Tuned Exhaust: Engineered to enhance torque and acceleration by equalizing exhaust passage lengths, reducing interference, and improving performance.
- Electronic Fuel Injection (EFI): Ensures optimal combustion and fuel efficiency.
- Variable Idle System: Allows adjustment of idle RPMs from 650 to 850 in 50 RPM increments, providing better trolling control.
- Low Gear Ratio (2.08:1): Offers increased low-end torque and improved top-end performance.
- Freshwater Flushing System: Facilitates routine maintenance and engine longevity.
- High Output 41-Amp Alternator: Provides ample power for onboard electronics.
- Counter-Rotation Models: Available for enhanced maneuverability and stability in twin-engine applications.
Technical Specifications:
- Engine Type: 4-cylinder, 4-stroke
- Displacement: 1995 cc (121.6 cu.in.)
- Bore x Stroke: 84 x 90 mm (3.30 x 3.55 in)
- Maximum RPM Range: 5,150 - 5,850
- Starting System: 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" (508 mm) or 25" (635 mm)
- Fuel Type: Unleaded gasoline (87 octane or higher)
- Oil Capacity: 4.2 L (1.11 gal.) with filter
- Weight: 178 kg (392 lbs.)
- Alternator Output: 12V, 492W, 41A
- Emissions Compliance: Ultra-low 3-star CARB and EPA emission approved
Materials:
- Cowlings: Sheet Molding Compound (SMC) for enhanced durability
- Major Aluminum Components: Anodized for greater corrosion resistance
- Water Pump Housing Liner: Stainless steel for outstanding durability
Dimensions:
- Length: Varies based on shaft length (20" or 25")
- Width: Approximately 1,000 mm (39.4 inches)
- Height: Approximately 1,500 mm (59.1 inches)
Compatibility Information: The MFS140A is suitable for a wide range of boats, from light to heavy, and is ideal for both recreational and commercial use. Its versatile design and performance characteristics make it compatible with various boat types and applications.
Warranty Information: Tohatsu offers a 7-year limited warranty for recreational use, covering up to 1,000 hours of operation. This extended warranty reflects the manufacturer's confidence in the engine's durability and performance.
