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
450 HP
| Weight † | 437 kg (963 lbs) / 448 kg (988 lbs) / 458 kg (1010 lbs) |
|---|---|
| Full Throttle RPM Range | 5000 - 6000 RPM |
| Fuel Induction System | Direct Injection / Up to 2900 PSI |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| 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 | 450hp at 6000 RPM |
| Alternator Output at W.O.T. | 102 Amp Gross, Max (up to 96 NET at idle) |
| Compression Ratio | 12.3:1 |
| Recommended Fuel | Octane 89 |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel / Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Propeller (Except in Reverse Under 2500 RPM) |
| Intake | 32-valve |
| Ignition | TCI Microcomputer |
| Spark Plug | ILMAR7E-9 / Iridium |
| Starting System | Electric w/ PTT |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 7.8L / 8.2 Quarts | 7.5L / 7.9 Quarts |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | (25/14) 1.79 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 25" - 30" - 35" |
| Degree of Tilt | -4° through +73° |
| Degree of Trim | -4° through +16° |
| Mounting Centers | 28.5" |
| Steering | Integrated, Electric Actuation |
| Steering Angle (maximum) | 31° from center, either direction |
| Warranty | Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial |
450 HP
The XTO Offshore® 450 is compatible with a range of controls, gauges and props to suit your preference for performance, control and the display of data. Explore compatible components below and contact your dealer for rigging expertise.
Compatible Controls
Helm Master® EX
Digital Controls
Mechanical Controls
N/A
Multi-Function Tiller Handle
N/A
Compatible Gauges
CL5 Touchscreen Display
Digital and Analog Gauges
Enter your details. Find the right prop. Easily zero-in on the best propeller options based on your type of craft, horsepower and performance goals with this smart, online tool.
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