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Yamaha Outboard
LEGENDARY YAMAHA RELIABILITY.

LEGENDARY YAMAHA RELIABILITY.
For more than 30 years, Yamaha Outboards have delivered far more than superior power, performance and efficiency. Yamaha owners get something that can’t be measured in HP or RPM—legendary Yamaha reliability. The all-new Yamaha V8 XTO Offshore® carries on that tradition. Purpose-built from the ground up to withstand the rigors of offshore boating, the XTO introduces a new class of extreme offshore power and reliability.

OFFSHORE XTO
EXTREME OFFSHORE PERFORMANCE AND DURABILITY—NOT TO MENTION STRIKING GOOD LOOKS.
The all-new four-stroke, 5.6L V8 425 hp XTO Offshore is more than an outboard. It’s an integrated power system. Coursing with insightful engineering and industry-first technology such as an electric steering system, it’s revolutionizing offshore boating—and the ownership experience—for yacht-class boaters
450 HP
Engine Type | V8 / DOHC / 32 valves / 4 Valves per Cylinder |
---|---|
Displacement | 5.6L |
Bore x Stroke | 96 x 96 mm (3.78 x 3.78 in) |
Prop Shaft Horsepower | 425hp at 5500 RPM |
Full Throttle RPM Range | 5000 – 6000 RPM |
Alternator Output at W.O.T. | 90 Amp Gross, Max |
Compression Ratio | 12.2:1 |
Fuel Induction System | Direct Injection / Up to 2900 PSI |
Weight* | 432 kg (952 lbs) / 443 kg (977 lbs) / 453 kg (999 lbs) |
Recommended Fuel | Octane 89 |
Recommended Engine Oil | Yamalube® 4M (See owner’s manual) |
Recommended Fuel Filtration | Yamaha 10-Micron Fuel / Water Separating Filter (external) |
*Weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller (except models 25 hp and under, which include a standard propeller). All Jet model weights include the jet pump assembly (weight estimated).

NEW25” SHAFTS ONV MAX SHO®
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