Tohatsu MFS75AETL 75HP 4-Stroke Outboard – 20in Shaft
For weekend trips, Tohatsu MFS75AETL gets to work with 75 horsepower. A 20-inch shaft rounds out the rigging. It trims down the guesswork when matching motor to hull.
- 75 horsepower, ready to run
- Shaft length 20 inches
- Balanced power-to-weight for its class
- 75 horsepower, 4-stroke reliability
- Rated at 75 horsepower
Description
Sluggish performance on heavy coastal skiffs disappears the moment the 1.9-liter Tohatsu MFS75AETL applies its massive displacement to the water. The 16-valve inline-four block utilizes precise Electronic Fuel Injection to atomize gas perfectly, pushing loaded center consoles across choppy bays effortlessly. Verifying your exact transom height guarantees this 75hp remote steer power trim outboard fits securely without causing excessive lower unit hydrodynamic drag.
Maintain optimal running attitudes in rough water instantly by engaging the hydraulic power trim and tilt system to tuck the gearcase inward. You push the bow down fast from the console switch to slice through morning chop safely. Engineers cast the 178 kg midsection using specialized anti-corrosion marine aluminum. This physical barrier stops galvanic decay when repowering aluminum fishing boats in high-salinity coastal environments.
Key Features of Tohatsu MFS75AETL
- 1.9-Liter Inline-Four Block: Breathes massive volumes of clean air efficiently, generating 75 horsepower effortlessly to lift heavy fiberglass hulls onto plane.
- 20-Inch Standard Shaft: Matches standard high-performance transoms perfectly, keeping the gearcase profile tight to maximize top-end running speeds.
- Electronic Fuel Injection: Calculates precise fuel requirements continuously, eliminating carburetor hesitation and ensuring crisp throttle response across the RPM band.
- Hydraulic Power Trim: Adjusts the running angle dynamically via a console switch, optimizing bow attitude across aggressive offshore swells.
- Remote Mechanical Control: Accepts standard mechanical cables directly from your forward helm, integrating flawlessly with classic steering consoles.
- 41-Amp Charging Alternator: Outputs constant electrical current while running, keeping deep cycle batteries topped off for commercial aerators and navigation lights.
- 2.08:1 Gearcase Ratio: Spins aggressive high-pitch propellers efficiently, translating inline-four torque directly into forward vessel momentum.
- Turn-Key Electric Start: Ignites the block instantly via your forward ignition switch, providing car-like starting reliability in freezing weather.
- Anti-Corrosion Finish: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
- Clean Four-Stroke Combustion: Eliminates messy two-stroke oil reservoirs, keeping your bilge completely clean while meeting strict clean water standards.
Why Choose Tohatsu MFS75AETL
Choosing this specific engine limits installation entirely to 20-inch tall transoms rigged with standard mechanical forward steering wheels. You cannot operate this via a tiller handle safely. Correcting your rigging geometry is a mandatory step when replacing older mechanical outboards.
- Measure the vertical distance from your top transom edge to the keel bottom.
- Install corresponding mechanical control cables sized exactly for your specific boat length.
- Keep coastal waters clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This 20-inch remote-steered outboard excels on heavy aluminum fishing boats, mid-sized center consoles, and 17-19ft fiberglass hulls carrying heavy payloads. By integrating a proven 1995cc displacement block with standard mechanical cable controls, the engine acts as an incredibly reliable mechanical workhorse for serious boaters. The 20-inch shaft ensures the center of gravity remains low, making this mechanical steer 75hp outboard an absolute necessity for fast bay fishing and heavy passenger hauling.
Warranty, Support and Maintenance
Authorized recreational operation receives a 5-Year Limited Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Limited Warranty with zero corrosion coverage applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. For product details and order support, Mulmotor offers assistance before your purchase is placed.
Tohatsu MFS75AETL Specs
| Brand | Tohatsu |
| Full Model Code | MFS75AETL |
| Country of Origin | Japan |
| Engine Family/Series | MFS75/90/100/115A Series |
| Engine Type | 4-Cylinder SOHC, 16-Valve |
| Displacement | 1995 cc (1.9L) |
| Horsepower | 75 HP (55.2 kW) |
| Full Throttle RPM Range | 5000 - 6000 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) |
| Alternator Output | 41 Amps |
| Gear Ratio | 2.08:1 |
| Shaft Length | L: 508 mm (20 in) |
| Dry Weight | 178 kg (392 lbs) |
| Starting & Steering System | Electric Start & Remote Control |
| Trim/Tilt Method | Power Trim and Tilt |
| Standard Warranty | 5-Year Limited Warranty |
| Application | Deep-V Hulls, Coastal Fishing, Heavy Aluminum Boats |












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