2021 Yamaha Marine Outboard XTO-Offshore V8-56L-425-HP

2021 Yamaha Marine 425 Base

2021 Yamaha Marine 425 Base

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  • Year 2021
  • Make Yamaha Marine
  • Model 425
Shop Yamaha Marine Pre-Owned
Product Details Specifications Photos
2021 Yamaha Marine 425 Base

2021 Yamaha Marine 425 Base

  • Year 2021
  • Manufacturer Yamaha Marine
  • Model Name 425
  • Trim Name Base
  • Generic Type (Primary) General
  • Engine Type V8 / DOHC / 32 valves / 4 Valves per Cylinder
  • Engine Power Prop Shaft: 425hp at 5500 RPM
  • Displacement 5.6L
  • Bore 96 mm (3.78 in)
  • Stroke 96 mm (3.78 in)
  • Compression Ratio 12.2:1
  • Throttle Full RPM Range: 5000 - 6000 RPM
  • Steering Integrated, Electric Actuation | Angle (maximum): 31° from center, either direction
  • Exhaust Through Propeller (Except in Reverse Under 2500 RPM)
  • Ignition TCI Microcomputer
  • Oil Type Recommended: Yamalube® 4M (See owner's manual)
  • Lubrication Wet Sump
  • Cooling Recommended: Thermostatic Control
  • Gear Ratio (Primary) (25/14) 1.79
  • Gear Shifter Forward, Neutral, Reverse
  • Induction Direct Injection / Up to 2900 PSI

2021 Yamaha Marine 425

The XTO Offshore® is the result of years of collaboration with top boat designers, and has been built from the ground up to provide the ultimate in power and efficiency offshore. With impressive stats such as the highest compression ratio on the water, industry firsts such as an electric steering system, and engineering touches such as iridium spark plugs and quad thermostats, it’s purpose-built for extreme power, durability, control and reliability.

Features may include:
  • Available in signature Yamaha gray or new pearlescent white
  • 425 hp on less-expensive 89-octane gasoline
  • Available with Helm Master® with SetPoint™
  • Impressive 5-year Limited Warranty, for pleasure use

Engine

Engine Type V8 / DOHC / 32 valves / 4 Valves per Cylinder
Engine Power Prop Shaft: 425hp at 5500 RPM
Displacement 5.6L
Bore 96 mm (3.78 in)
Stroke 96 mm (3.78 in)
Compression Ratio 12.2:1
Throttle Full RPM Range: 5000 - 6000 RPM
Steering Integrated, Electric Actuation | Angle (maximum): 31° from center, either direction
Exhaust Through Propeller (Except in Reverse Under 2500 RPM)
Ignition TCI Microcomputer
Oil Type Recommended: Yamalube® 4M (See owner's manual)
Lubrication Wet Sump
Cooling Recommended: Thermostatic Control
Gear Ratio (Primary) (25/14) 1.79
Gear Shifter Forward, Neutral, Reverse
Induction Direct Injection / Up to 2900 PSI

Spark Plug

Spark Plug ILMAR7E-9 / Iridium

Electric

Starter System: Electric w/ PTT
Alternator Output, Maximum Output at W.O.T.: 90 Amps Gross, Max

Fuel System

Fuel System Ethanol Blend Limit: 10% Maximum
Fuel Type Recommended: Octane 89 | Recommended Filtration: Yamaha 10-Micron Fuel / Water Separating Filter (external)

Dimensions

Length Shaft: 25" - 30" - 35"
Dimensions Degree of Tilt: -4° through +73° | Degree of Trim: -4° through +16° | Mounting Centers: 28.5"

Capacities

Oil capacity 8.2 Quarts (7.8 L) | 7.9 Quarts (7.5 L)

Weights

Weight 952 lbs (432 kg) / 977 lbs (443 kg) / 999 lbs (453 kg)
Dry Weight 25" shaft: 952 lbs (432 kg) | 30" shaft: 977 lbs (443 kg) | 35" shaft: 999 lbs (453 kg )

Features

Features Intake: 32 | C.A.R.B. Rating: 3-Star

Warranty

Warranty Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial

Product Photography