
Tohatsu MFS15EL 15HP EFI 20″ Electric Start Outboard
The Tohatsu MFS15EL combines a 333cc twin-cylinder SOHC powerhead with battery-less EFI, built for long-transom skiffs on a 20-inch shaft. It charges at 12 Amps.
- 333cc SOHC engine delivers 15 HP
- Battery-less EFI eliminates carburetor vapor lock
- 12A alternator maintains boat battery readiness
- 2.15:1 gear ratio maximizes water thrust
- 20-inch shaft fits long skiff transoms
The Tohatsu MFS15EL is a 15hp battery-less electronic fuel injection outboard engineered with a 20-inch long shaft for small remote-steered aluminum fishing platforms and console skiffs. Harnessing a compact 0.33-liter 333cc inline 2-cylinder SOHC 4-valve powerhead provides an torque curve capable of lifting light fiberglass runabouts out of deep holes completely down the watercourse. At 108 lbs of dry weight, this engine adds substantial ballast stabilization to the transom while maintaining structural balance across utility dinghies matching 12-to-16-foot hulls.
Its 5400 to 6100 RPM range is how this portable engine sustains cruising speeds across long transport distances. The robust 2.15:1 gear ratio translates pure rotational power into immediate thrust to drive specialized pitch propellers efficiently through heavy rolling river currents. Engineered with dependable Japanese manufacturing reliability, this marine power plant undergoes exhaustive field testing to handle punishing everyday conditions year after year without failure.
Advanced Inline 2 Portable Architecture
The 333cc inline 2-cylinder engine block configuration delivers thermal efficiency by optimizing combustion chamber heat dissipation during prolonged wide-open throttle operation. This specific propulsion platform maintains exceptionally stable operating temperatures through internal water jackets under severe remote steering pressures.
Battery Less Electronic Fuel Injection
Battery-less electronic fuel injection systems inject precise fuel volumes directly into each cylinder to is designed to support crisp throttle response and a superior hole-shot acceleration profile. This engineering approach reduces overall consumption rates across variable cruising velocities on extended fishing trips over open inland wetlands.
Standard Rotation Mechanical Propulsion
Standard clockwise gearcase mechanics isolate steering torque entirely on console skiffs by rotating the prop cleanly along the central tracking alignment. This strategic balancing technique improves directional tracking stability dramatically when piloting across treacherous crosscurrent wind chops.
Long Transom Console Vessel Applications
Small remote-steered aluminum fishing platforms and light fiberglass runabouts utilize this long 20-inch shaft outboard to establish reliable tracking control in shallow water environments. The heavy power delivery provides planing speeds for long multi-passenger backwater transport trips.
Rigorous Portable Powerhead Maintenance Guidelines
A standard 5-year limited warranty backs this flagship portable platform to helps support comprehensive multi-season operational coverage. Saltwater marine propulsion units require consistent inspections to protect internal seals from hidden fishing line damage.Maintenance note: Follow the manufacturer’s service procedures and lubrication specifications for the engine and gearcase.
Product Specifications
Tohatsu MFS15EL 15HP EFI 20" Electric Start Outboard Specs
| Brand | Tohatsu |
|---|---|
| Full Model Code | MFS15EL |
| Country of Origin | Japan |
| Engine Family/Series | MFS Portable |
| Engine Type | Inline 2-Cylinder 4-Stroke SOHC 4-Valve |
| Displacement | 0.33 Liters / 333 cc |
| Horsepower | 15 HP / 11.0 kW |
| Full Throttle RPM Range | 5400 - 6100 RPM |
| Fuel Induction System | Battery-Less Electronic Fuel Injection (EFI) |
| Alternator Output | 12 Amps |
| Gear Ratio | 2.15:1 |
| Shaft Length | L (20") |
| Dry Weight | 49 kg / 108 lbs |
| Bore x Stroke | 61.0 mm x 57.0 mm |
| Starting & Steering System | Electric Start (with Manual Recoil Backup) & Remote Mechanical Steering Compatibility |
| Trim/Tilt Method | Manual Trim & Tilt (4 Open Positions & Shallow Water Drive) |
| Oil Capacity | 1.0 Liter (with filter) |
| Recommended Fuel | 87 Octane |
| Standard Warranty | 5 Years Limited |
| Application | Small remote-steered aluminum fishing platforms, console skiffs, light fiberglass runabouts, and utility dinghies (12-16 ft hulls) |
Payment Protection
Checkout will use the selected PayPal or Stripe payment method.
Free International Shipping
Free standard delivery to the United States, Canada and Australia.
Product Support
Ask for product and compatibility information before ordering.

Reviews
There are no reviews yet.