Manufacturer Part Number (MPN)
MFS40AETL
Marine Engineer Insight: The Tohatsu MFS40AETL (MPN MFS40AETL) is the lightest 40hp outboard in its class, designed specifically for boaters who demand high performance without the heavy bulk. Featuring a SOHC 3-cylinder architecture and Electronic Fuel Injection (EFI), this 20" long shaft model provides exceptional fuel economy and smooth operation. Whether you are powering a premium skiff, a small pontoon, or a rib, the MFS40 offers the reliability and weight-to-power ratio that has made Tohatsu a global leader in marine engineering.
Lightweight Performance Meets Modern EFI Efficiency
The Tohatsu MFS40AETL (MPN: MFS40AETL) redefines the mid-range outboard category. By utilizing advanced engineering, Tohatsu has stripped away unnecessary weight while maintaining structural durability. The result is a 40hp motor that provides incredible hole-shot performance and higher top-end speeds. The integrated Electronic Fuel Injection (EFI) system ensures easy starting in all weather conditions, consistent idling, and a significant reduction in fuel consumption compared to traditional carbureted models.
This model features Power Tilt and Trim as standard, allowing for precise hull leveling and shallow water operation at the touch of a button. The MFS40AETL is also equipped with a high-output 21-amp alternator to keep your electronics charged throughout the day. With Tohatsu’s proven 4-stroke technology, you can enjoy a quiet, smoke-free boating experience that complies with all modern emission standards.
Technical Specifications
| Official MPN |
MFS40AETL |
| Engine Type |
3-Cylinder 4-Stroke SOHC |
| Horsepower |
40 HP (29.4 kW) |
| Shaft Length |
20" (Long Shaft) |
| Fuel Delivery |
Electronic Fuel Injection (EFI) |
| Dry Weight |
Approx. 209 lbs (95 kg) |
| Trim System |
Power Tilt & Trim |
MFS40AETL Key Performance Features:
- Class-Leading Lightweight Design: Enhances boat maneuverability and reduces strain on the transom.
- TOCS (Tohatsu Onboard Communication System): Connects to your onboard electronics for real-time engine data.
- Variable Idling Control: Allows you to adjust the trolling speed (650 to 950 RPM) for precision fishing.
- Ultra-Low Emission: EPA and CARB 3-Star rated for environmentally friendly operation.
- Ultra-Reliable Cooling: Water-cooled fuel system ensures peak performance even in warm tropical waters.
Frequently Asked Questions
1. Does this motor include the remote control and gauges?
The MFS40AETL is a remote-model outboard. While it includes the mounting hardware, side-mount remote controls and digital gauges are typically sold as separate rigging kits to match your boat's helm setup.
2. What is the recommended maintenance schedule?
Tohatsu recommends an initial break-in service at 20 hours, followed by standard engine oil and gear lube changes every 100 hours or annually.
Tohatsu Authorized Dealer | Verified 40hp 4-Stroke Data | MPN: MFS40AETL
