2024 Yamaha V8 5.6L 450HP - 25" Shaft
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Overview
Availability
Brochure
Year2024
MakeYamaha
ModelV8 5.6L 450HP - 25" Shaft
Product Features
Description
Yamaha's award-winning 5.6L V8 XTO Offshore® outboards, and their innovative engineering, set the bar for power and performance offshore. With extreme control, precision and reliability—and now up to 450 horses—the XTO Offshore lets you go further, faster and with more confidence than ever before. Packed with industry-first technology like a direct-injection four-stroke powerhead, an award-winning charging system and integrated all-electric steering, the word outboard is an understatement. It's a fully integrated power system. And it's elevating the entire offshore boating experience. Aim for the horizon and beyond with the Yamaha XTO Offshore F450 and F425.
Specifications
- 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
- Full Throttle RPM Range: 5000 - 6000 RPM
- Alternator Output at W.O.T.: 102 Amp Gross, Max (up to 96 NET at idle)
- Compression Ratio: 12.3:1
- Fuel Induction System: Direct Injection / Up to 2900 PSI
- Weight *: 437 kg (963 lbs) / 448 kg (988 lbs) / 458 kg (1010 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)
- 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
Engine
| Engine Type | V8 / DOHC / 32 valves / 4 Valves per Cylinder |
| Bore x Stroke | 3.78 x 3.78 in. (96 x 96 mm) |
| Displacement | 5.6 L |
| Starting | Electric w/ PTT |
Dimensions
| Shaft Length | 25 in. |
General
| Propshaft Horsepower | 450 HP at 6000 RPM |
| Full Throttle Operating Range | 5000 - 6000 RPM |
| Gear Ratio / Shift | (25/14) 1.79 / Forward, Neutral, Reverse |
| Fuel Induction | Direct Injection / Up to 2900 PSI |
| Alternator | 102 Amp Gross, Max (up to 96 NET at idle) |
| Warranty | Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial |
