XTO 425hp V8
The most powerful engine in the Premium range, the XTO 425hp V8 outboard delivers more power, performance and precision.
If you want to enjoy great thrills on the water, this flagship model will not disappoint.
The first Premium 4-stroke outboard with direct injection
Yamaha's most advanced engine, the first 4-stroke outboard with direct injection. The first with a fully integrated boat control system in Yamaha's Helm Master® system, and the first to offer an unmatched level of reverse thrust, torque and speed.
Revolutionary direct fuel injection improves efficiency; integrated digital electric steering allows for smoother, more precise helm handling without losing the feeling of connection to the water, and also links to Yamaha's Helm Master EX® for even better control and maximum confidence. Reverse thrust improves maneuverability in tight spaces.
With a robust and dynamic design, the XTO 425hp V8 brings Yamaha style to your boat and ensures that your boat is powered by the most innovative engine on the market.
XTO 425hp V8
Average power
Color
Shaft length
Propeller rotation
Start-up method & Tilt System
Control method
Engine
-
Engine type
4 times
-
Displacement
5559 cc
-
No. of cylinders/configuration
V8
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Diameter x stroke
96,0 x 96,0
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Propeller shaft power at half revolutions
450 hp at 6000 RPM
-
Full throttle operating range
5000-6000 RPM
-
Lubrication system
Wet carter
-
Ignition / advance system
Electronic ignition (TCI
-
Start-up system
Electronic ignition (TCI)
-
Gear ratio
25/14 1.79
Dimensions
-
Oil sump capacity
7.8 liters
-
Weight without propeller
437-458 kg
Additional features
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Control
Electronic Control (DBW)
-
Trim and Tilt Method
Electric lighting and trimming
-
Lighting coil / alternator
12 V-90 A with rectifier/regulator
-
Propeller
Optional
-
Counter Rotation Model
Available on X, U and E
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Shallow Water Drive
Standard
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Tilt limiter
Standard
-
Digital Network Gauge II (CL7)
Optional
-
Silent Shift System (SDS)
Optional
-
Full tilt up angle
77°
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Remarks
The kW data in this sheet are based on the ICOMIA 28 standard, measured on the propeller shaft.
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