The new Yamaha 25HP delivers next-level performance in a lightweight design. With Electronic Fuel Injection, exceptional fuel efficiency, and faster acceleration, it’s the perfect solution for those who demand power, precision, and portability — all in one compact outboard.
IN ACTION
WATCH THE YAMAHA 25HP
Redefining Portable Power
Meet the Yamaha 25HP — the revolutionary portable outboard that’s lighter, faster and smarter. This compact engine blends high-end innovation, reliable performance and ultra-low weight to give you total confidence every time you hit the water.
25HP
innovation in compact Form
The Yamaha 25HP is built from the ground up to set a new standard in portable outboards. At just 56kg, it’s up to 25% lighter than previous models and the lightest 25HP outboard in its class. You’ll experience faster acceleration, outstanding top-end performance and unmatched fuel efficiency, all thanks to Yamaha’s battery-less EFI (Electronic Fuel Injection) and optimized gear ratio.
This outboard isn’t just powerful — it’s smart. Choose between manual or electric start, tiller or remote steering, and a range of shaft lengths. With features like Variable Trolling RPM, Freshwater Flushing, and a high-output alternator, the 25HP adapts to your boating style with ease. Engineered with Yamaha’s legendary reliability and protected with YDC-30 anti-corrosion alloy, this compact powerhouse is ready for long days on the water — and many seasons ahead.
DETAILS
ABOUT 25HP
ENGINE
| ➢ CATEGORY | Versatile Marine Engines (25 – 8hp) |
|---|---|
| ➢ ENGINE TYPE | 4-stroke |
| ➢ Displacement | 432 cc |
| ➢ No. of cylinders / Configuration | 2/In-line, SOHC |
| ➢ Bore x stroke | 65.0 mm x 65.1 mm |
| ➢ Prop shaft output at mid range | 18.4 kW / 6,000 rpm |
| ➢ Full Throttle Operating Range | 5,000 – 6,000 rpm |
| ➢ Lubrication system | Wet sump |
| ➢ Fuel Induction System | EFI |
| ➢ Ignition / advance system | CDI |
| ➢ Starter system | Electric/ Manual (WH), Manual (MH), Electric (E, ET) with Prime Start™ |
| ➢ Gear ratio | 2.08 (27:13) |
DIMENSIONS
| ➢ Transom height | S:424mm L:551mm |
|---|---|
| ➢ Fuel tank capacity | separate, 25L |
| ➢ Oil pan capacity | 1.1 L |
| ➢ Weight without propeller | 56kg – 64kg |
ADDITIONAL FEATURES
| ➢ Control | Remote control (E, ET), Tiller handle (MH + WH) |
|---|---|
| ➢ Trim & Tilt method | Power Trim & Tilt (ET), Manual Tilt (MH, E + WH) |
| ➢ Light coil / Alternator Output | 12V -16A |
| ➢ Engine immobilizer | YCOP optional |
| ➢ Propeller | Optional |
| ➢ Variable Trolling Speed | With DN Gauges or m-f tiller handle |
| ➢ Steering | Tiller handle, Remote Control |
| ➢ Remark | The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft |
PHOTOS
GALLERY
SERENITY
Silent Strength
Comfort and confidence come built-in with the Yamaha 25HP. Its reduced weight means easier handling and smoother rides, while features like Yamaha’s wide-span motor mounts reduce vibration and fatigue. Designed with Freshwater Flushing, Start-in-Gear Protection, and over-rev/overheat alerts, the engine’s integrated safety and convenience features keep you protected. Combine this with Yamaha’s industry-leading YDC-30 corrosion-resistant alloy, and you get a motor that’s as reliable as it is refined — ready for every adventure.
DESIGN
ENGINE
Don’t let its size fool you — the Yamaha 25HP packs serious innovation. Its 432cc twin-cylinder SOHC engine delivers strong mid-range torque and crisp acceleration. The battery-less EFI system ensures quick, consistent starts in any condition, while the improved gear ratio enhances low-speed torque and top-end speed. With a high-output 16A alternator, optional Power Tilt, and compatibility with Yamaha’s Digital Network System, this outboard brings premium tech to the portable class — for those who demand more.
WARRANTY
5 YEAR PROMISE
Enjoy Yamaha’s industry-leading limited warranty, offering up to 5 years of peace of mind. The 25HP is built to exacting standards with proven dependability. Whether you’re navigating calm bays or deep offshore waters, Yamaha’s legacy of excellence keeps you covered.
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