V8 5.6L 450 / 425 hp

or
Call 918-470-6790

Description

450 HP

The XTO Offshore® 450 packs everything boaters love about the original XTO outboard—the durability, power and reliability—plus extra horses. With impressive stats such as 12.3:1 compression ratio for outstanding fuel economy and power and industry-first features such as an integrated electric steering system and Phase Angle Control Charging, it’s purpose-built for the extremes of going offshore.

  • Award-winning Phase Angle Control Charging System
  • Available in signature Yamaha gray or new pearlescent white
  • 450 hp on less-expensive 89-octane gasoline
  • Impressive 5-year Limited Warranty, for pleasure use
    • 425 HP

    The XTO Offshore® 425 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 12.2:1 compression ratio for impressive fuel economy and power, 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.

  • Phase Angle Control Charging System an award-winning industry first
  • Available in signature Yamaha gray or new pearlescent white
  • 425 hp on less-expensive 89-octane gasoline
  • Impressive 5-year Limited Warranty, for pleasure use

    • Specifications

    ManufacturerYamaha
    ModelV8 5.6L 450 / 425 hp
    ConditionNew
    Weight †450 HP: 437 kg (963 lbs) / 448 kg (988 lbs) / 458 kg (1010 lbs) | 425 HP: 432 kg (952 lbs) / 443 kg (977 lbs) / 453 kg (999 lbs)
    Full Throttle RPM Range450 HP: 5000 - 6000 RPM | 425 HP: 5000 - 6000 RPM
    Fuel Induction System450 HP: Direct Injection / Up to 2900 PSI | 425 HP: Direct Injection / Up to 2900 PSI
    Recommended Engine Oil450 HP: Yamalube® 4M (See owner's manual) | 425 HP: Yamalube® 4M (See owner's manual)
    Engine Type450 HP: V8 / DOHC / 32 valves / 4 Valves per Cylinder | 425 HP: V8 / DOHC / 32 valves / 4 Valves per Cylinder
    Displacement450 HP: 5.6L | 425 HP: 5.6L
    Bore x Stroke450 HP: 96 x 96 mm (3.78 x 3.78 in) | 425 HP: 96 x 96 mm (3.78 x 3.78 in)
    Prop Shaft Horsepower450 HP: 450hp at 6000 RPM | 425 HP: 425hp at 5500 RPM
    Alternator Output at W.O.T.450 HP: 102 Amp Gross, Max (up to 96 NET at idle) | 425 HP: 100 Amp Gross, Max
    Compression Ratio450 HP: 12.3:1 | 425 HP: 12.2:1
    Recommended Fuel450 HP: Octane 89 | 425 HP: Octane 89
    Recommended Fuel Filtration450 HP: Yamaha 10-Micron Fuel / Water Separating Filter (external) | 425 HP: Yamaha 10-Micron Fuel / Water Separating Filter (external)
    C.A.R.B. Rating450 HP: 3-Star | 425 HP: 3-Star
    Exhaust450 HP: Through Propeller (Except in Reverse Under 2500 RPM) | 425 HP: Through Propeller (Except in Reverse Under 2500 RPM)
    Intake450 HP: 32-valve | 425 HP: 32
    Ignition450 HP: TCI Microcomputer | 425 HP: TCI Microcomputer
    Spark Plug450 HP: ILMAR7E-9 / Iridium | 425 HP: ILMAR7E-9 / Iridium
    Starting System450 HP: Electric w/ PTT | 425 HP: Electric w/ PTT
    Lubrication450 HP: Wet Sump | 425 HP: Wet Sump
    Engine Oil Capacity450 HP: 7.8L / 8.2 Quarts | 7.5L / 7.9 Quarts | 425 HP: 7.8L / 8.2 Quarts | 7.5L / 7.9 Quarts
    Recommended Cooling450 HP: Thermostatic Control | 425 HP: Thermostatic Control
    Ethanol Blend Limit450 HP: 10% Maximum | 425 HP: 10% Maximum
    Gear Ratio450 HP: (25/14) 1.79 | 425 HP: (25/14) 1.79
    Gear Shift450 HP: Forward, Neutral, Reverse | 425 HP: Forward, Neutral, Reverse
    Shaft Length450 HP: 25" - 30" - 35" | 425 HP: 25" - 30" - 35"
    Degree of Tilt450 HP: -4° through +73° | 425 HP: -4° through +73°
    Degree of Trim450 HP: -4° through +16° | 425 HP: -4° through +16°
    Mounting Centers450 HP: 28.5" | 425 HP: 28.5"
    Steering450 HP: Integrated, Electric Actuation | 425 HP: Integrated, Electric Actuation
    Steering Angle (maximum)450 HP: 31° from center, either direction | 425 HP: 31° from center, either direction
    Warranty450 HP: Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial | 425 HP: Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial

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