Tohatsu MFS15EEFS 15HP Outboard – 15in Shaft, Electric, EFI
Tohatsu MFS15EEFS moves boats with 15 horsepower. The 15-inch shaft suits mid-size boats. EFI rounds out the build. Anglers rely on it for predictable starts, trip after trip.
- 15 horsepower on tap
- Shaft length 15 inches
- EFI fuel delivery system
- Light enough for easy mounting
- Rated at 15 horsepower
Description
Freezing morning duck hunts demand the Tohatsu MFS15EEFS to provide instant push-button ignition on small skiffs. The 333cc inline-two EFI block atomizes fuel perfectly, pushing loaded inflatable tenders through twisting marsh channels effortlessly. Verifying your exact transom geometry validates this 15 inch short shaft portable outboard fits securely without generating excessive lower unit drag.
Clear submerged rocky obstacles safely in shallow creeks by utilizing the six-position manual tilt bracket as a direct physical lifting aid. You grab the rear cowl grip to pull the 43 kg gearcase upward instantly to prevent impact. Engineers build the external assembly with low-copper marine aluminum. This physical barrier stops galvanic decay when repowering small aluminum boats in brackish water.
Key Features of Tohatsu MFS15EEFS
- Turn-Key Electric Start: Engages the flywheel instantly via 12-volt battery power, eliminating shoulder strain completely during freezing early morning launches.
- Battery-Less EFI: Atomizes fuel perfectly using internal magnetic power, guaranteeing reliable cold-weather pull starts if your primary starting battery fails offshore.
- 15-Inch Standard Shaft: Matches low dinghy transoms perfectly, preventing lower unit drag and maximizing fuel efficiency on light inflatable hulls.
- Six-Position Manual Tilt: Adjusts the running angle physically, allowing the operator to lift the gearcase over shallow coastal reefs safely.
- Multi-Function Tiller Handle: Concentrates shift and throttle inputs squarely in your grip, sharpening handling response in narrow twisting creeks.
- 12-Amp Charging Alternator: Outputs constant electrical current while running, keeping small deep cycle batteries topped off for navigation lights.
- 333cc Inline-Two Block: Produces massive low-end torque internally, lifting heavily loaded 12-foot rigid dinghies onto plane much faster.
- Low-Copper Marine Alloy: Blocks severe galvanic decay physically, protecting the powerhead block across decades of daily saltwater exposure.
- 2.15:1 Gearcase Ratio: Multiplies engine torque effectively, translating the 333cc displacement into relentless pushing force for loaded hunting skiffs.
- Clean Four-Stroke Combustion: Burns unleaded fuel highly efficiently without messy two-stroke oil mixing, keeping your tender completely free of oil slicks.
Why Choose Tohatsu MFS15EEFS
You buy this motor to keep rigging dead simple on a standard 15-inch transom boat. It offers zero remote steering capability and lacks power trim components. Do not attempt to mount this short shaft on a 20-inch tall transom. Finding a reliable electric start portable outboard solves heavy payload limits on small hulls.
- Weigh your boat to verify it safely handles this specific 43 kg engine block mass.
- Check the tiller handle sweep path to confirm it clears your rear seating bench.
- Keep local lakes clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This ultra-portable 15-inch outboard thrives on small inflatable tenders, flat-bottom jon boats, and rigid fiberglass dinghies requiring minimalist power with maximum convenience. Because it features push-button electric starting paired with battery-less EFI, operators gain absolute ignition reliability for remote area fishing. The direct tiller control provides complete directional thrust, making this lightweight 15hp electric start outboard an incredibly nimble propulsion choice for navigating crowded anchorages and tight backwater creeks safely.
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. Mulmotor provides product-information support before purchase and assistance with order-related questions.
Tohatsu MFS15EEFS Specs
| Brand | Tohatsu |
| Full Model Code | MFS15EEFS |
| Country of Origin | Japan |
| Engine Family/Series | EFI Portable Series |
| Engine Type | 2-Cylinder SOHC, 4-Stroke |
| Displacement | 0.33 Liters (333 cc) |
| Horsepower | 15 HP (11 kW) |
| Full Throttle RPM Range | 5400 - 6100 RPM |
| Fuel Induction System | Battery-Less Electronic Fuel Injection |
| Alternator Output | 12 Amps |
| Gear Ratio | 2.15:1 |
| Shaft Length | S: 381 mm (15 in) |
| Dry Weight | 43 kg (95 lbs) |
| Bore x Stroke | 61 x 57 mm |
| Starting & Steering System | Electric Start & Tiller Handle |
| Trim/Tilt Method | Manual Tilt (6 positions) |
| Oil Capacity | 1.0 Liter |
| Recommended Fuel | 87 Octane |
| Standard Warranty | 5-Year Limited Warranty |
| Application | Inflatable Boats, Small Tenders, 10-12ft Dinghies |












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