Tohatsu MFS9.8CEFTUL 9.8HP Outboard – 25in Shaft
Quiet by design, Tohatsu MFS9.8CEFTUL puts 9.8 horsepower to work. The 25-inch shaft suits mid-size boats. First-time buyers like the low learning curve at the helm. It favors reliability over extra complexity at the helm.
- 9.8 horsepower, ready to run
- 25-inch shaft for most transoms
- Straightforward to service and maintain
- Rated at 9.8 horsepower
- Light enough for easy mounting
Description
Extreme ocean swells demand the massive 25-inch reach of the Tohatsu MFS9.8CEFTUL to keep auxiliary sailboats moving smoothly. The 209cc twin-cylinder engine pushes heavy displacement hulls upstream effortlessly against stiff morning tides. Verifying your exact auxiliary bracket guarantees this 25 inch ultra long shaft outboard places the water intakes deep enough for safe continuous operation in heavy chop.
Eliminate gearcase drag entirely while under sail by engaging the factory hydraulic power tilt system to lift the engine block. You elevate the 43 kg lower unit effortlessly from the tiller grip to prevent marine growth accumulation. Tohatsu builds the extended midsection using multi-stage anti-corrosion marine primers. This physical barrier stops galvanic decay completely when repowering high-transom sailboats for continuous saltwater exposure.
Key Features of Tohatsu MFS9.8CEFTUL
- 25-Inch Ultra-Long Shaft: Reaches incredibly deep beneath towering sailboat auxiliary brackets, preventing water pump starvation in heavy ocean chop.
- Hydraulic Power Tilt: Lifts the heavy 43 kg block completely out of the water mechanically, preventing gearcase drag while under sail.
- Turn-Key Electric Start: Engages the flywheel instantly via 12-volt battery power, eliminating shoulder strain completely during freezing early morning launches.
- Multi-Function Tiller Handle: Concentrates shift, throttle, and tilt inputs directly into your operating hand for immediate physical obstacle avoidance.
- 6-Amp Charging Alternator: Outputs constant electrical current at cruising speeds, keeping deep cycle house batteries charged for marine electronics.
- 209cc Twin-Cylinder Block: Produces exceptionally smooth power internally, eliminating the harsh vibrations typically found in single-cylinder portable outboards.
- 2.08:1 Gear Ratio: Multiplies engine torque effectively, translating the 209cc displacement into relentless pushing force for heavily loaded commercial skiffs.
- Anti-Corrosion Finish: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
- Through-Prop Exhaust: Channels toxic combustion gases directly underwater, keeping the aft operator station completely free of choking smoke.
- Clean Four-Stroke Combustion: Burns fuel with strict efficiency, guaranteeing peak performance while meeting modern clean-air environmental standards globally.
Why Choose Tohatsu MFS9.8CEFTUL
Choosing this specific engine limits installation entirely to 25-inch extra-tall transoms requiring power tilt capabilities. You cannot bolt this onto a standard 20-inch or 15-inch skiff without causing massive drag. Correcting rigging geometry is a key step when finding a reliable auxiliary power tilt outboard replacement.
- Confirm a 25-inch vertical drop from the massive mounting bracket to the keel line.
- Verify the tiller handle sweep path clears your primary motor housing or rudder.
- Keep coastal waters clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This specialized 25-inch power-tilt outboard excels on large sailboats, commercial tenders, and extra-deep transom vessels requiring reliable 4-stroke auxiliary power. By integrating a 209cc displacement block with twin-cylinder smoothness, the engine acts as an incredibly efficient mechanical workhorse. The integrated power tilt allows captains to lift the massive gearcase safely out of the water, making this repowering high-transom sailboats solution an absolute necessity for coastal cruisers and offshore sailors.
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 9.8HP MFS9.8CEFTUL Specs
| Brand | Tohatsu |
| Full Model Code | MFS9.8CEFTUL |
| Engine Family/Series | MFS FourStroke (Lightweight) |
| Engine Type | Inline 2 / 4-Stroke |
| Displacement | 0.21 Liters (209 cc) |
| Horsepower | 9.8 HP @ 5500 RPM |
| Full Throttle RPM Range | 5000 - 6000 RPM |
| Fuel Induction System | Carbureted |
| Alternator Output | 6 Amps (12A option available) |
| Shaft Length | 25" (Ultra-Long) |
| Dry Weight | 43 kg (95 lbs) |
| Starting & Steering System | Electric Start w/ Multi-Function Tiller |
| Trim/Tilt Method | Power Tilt |
| Standard Warranty | 5-Year Limited |
| Application | Ultra-lightweight 25" shaft auxiliary for sailboats; industry-leading power-to-weight. |












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