Yamaha T25XWTC 25HP Outboard – 25in Shaft, Power Tilt, High Thrust
No guesswork, Yamaha T25XWTC moves boats with 25 horsepower. Transom height calls for the 25-inch shaft. Part of the High Thrust lineup. Boaters pick it for a straightforward, low-maintenance setup.
- Rated at 25 horsepower
- Shaft length 25 inches
- Power tilt for easy trailering
- Part of the High Thrust line
- Backed by standard marine warranty
Description
Offshore sailboats battling steep harbor tides require the 25-inch Yamaha T25XWTC to maintain absolute propeller bite. The high-thrust 2.42:1 gearcase translates the 432cc block’s torque into relentless forward momentum, pushing heavy displacement hulls safely through choppy inlets. Measuring your exact auxiliary bracket guarantees this 25hp extra long shaft outboard fits properly without starving the internal cooling intakes during offshore runs.
Lift the gearcase completely clear of marine growth by engaging the integrated power tilt system directly from your helm station. You elevate the 74 kg lower unit physically to eliminate drag while the vessel operates under sail. Yamaha builds the extended midsection using multi-stage anti-corrosion marine primers. This physical barrier stops galvanic decay completely when repowering offshore sailboat kickers for continuous saltwater exposure.
Key Features of Yamaha T25XWTC
- 25-Inch Extra-Long Shaft: Reaches incredibly deep beneath towering sailboat auxiliary brackets, preventing water pump starvation in heavy ocean chop.
- High-Thrust 2.42:1 Gearcase: Multiplies engine torque effectively, spinning oversized Dual Thrust propellers to maximize pushing force for heavy displacement hulls.
- Electronic Fuel Injection: Calculates precise fuel requirements continuously, eliminating carburetor hesitation and ensuring crisp throttle response across the 6000 RPM band.
- Hydraulic Power Tilt: Lifts the heavy 74 kg block completely out of the water mechanically, preventing gearcase drag while under sail.
- Remote Mechanical Control: Accepts standard mechanical cables directly from your forward helm, integrating flawlessly for precise directional control.
- 16-Amp Charging Alternator: Outputs constant electrical current at cruising speeds, keeping deep cycle house batteries charged for marine electronics.
- 432cc Twin-Cylinder Block: Produces exceptionally smooth power internally, eliminating the harsh vibrations typically found in single-cylinder auxiliary outboards.
- Turn-Key Electric Start: Engages the flywheel instantly via 12-volt battery power, eliminating physical pull strain completely during freezing early morning launches.
- Anti-Corrosion Finish: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
- Clean Four-Stroke Combustion: Burns fuel with strict efficiency, guaranteeing peak auxiliary performance while meeting modern clean-air environmental standards globally.
Why Choose Yamaha T25XWTC
This specific 25-inch block is built strictly to serve as auxiliary sailboat power requiring remote helm control and power tilt capabilities. Mounting it on a tiller-steered hull or standard 15-inch dinghy will cause massive lower unit drag. Installing a reliable extra long shaft outboard ensures safe harbor returns.
- Verify your sailboat motor bracket requires exactly a 25-inch vertical shaft drop.
- Network the remote throttle and steering cables directly to your main helm console.
- Comply with strict harbor emissions laws utilizing clean-burning four-stroke technology.
Ideal Application and Vessel Fitment
This 25-inch remote-steered high-thrust outboard excels on large sailboats, commercial pontoon logs, and extra-deep transom vessels requiring reliable 4-stroke auxiliary power. By connecting directly to a forward helm station, it shifts operator weight forward, drastically improving the vessel running attitude. The specialized gearcase provides a silent, vibration-free propulsion solution for boaters needing a remote steer extra long shaft outboard to navigate peaceful coastal bays.
Warranty, Support and Maintenance
Authorized recreational operation receives a 3-Year Limited Pleasure Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Commercial Warranty with separate terms 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 can assist with product details and order-related questions before purchase.
Yamaha T25XWTC High Thrust Specs
| Brand | Yamaha |
| Full Model Code | T25XWTC |
| Country of Origin | Japan/Thailand |
| Engine Family/Series | High Thrust (High Torque) |
| Engine Type | Inline-2, 4-Stroke |
| Displacement | 432 cc |
| Horsepower | 25 HP |
| Full Throttle RPM Range | 5000-6000 |
| Fuel Induction System | EFI |
| Alternator Output | 16 Amps |
| Gear Ratio | 2.42:1 (Dual Thrust Propeller Compatible) |
| Shaft Length | X: 25in |
| Dry Weight | 74 kg |
| Bore x Stroke | 65.0x65.1mm |
| Starting & Steering System | Electric Start / Remote Steering |
| Trim/Tilt Method | Power Trim & Tilt |
| Oil Capacity | 1.1L |
| Recommended Fuel | 87 Octane |
| Standard Warranty | 3-Year |
| Application | Offshore sailboat kickers and large pontoons requiring ultra-long shaft (25in transom). |












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