2023 Yamaha V8 5.6L 425 hp
$26,900.00
Performance Marine | Sardis, MS
Unleash Peak Power with the 2023 Yamaha Marine V8 Outboard - XTO Offshore
When demanding ultimate power, efficiency, and rugged durability on open water, performance is everything. The Yamaha Marine V8 5.6L 425 hp outboard is engineered for excellence in offshore conditions. Built through extensive collaboration with leading boat designers, this ...
[read more]Unleash Peak Power with the 2023 Yamaha Marine V8 Outboard - XTO Offshore
When demanding ultimate power, efficiency, and rugged durability on open water, performance is everything. The Yamaha Marine V8 5.6L 425 hp outboard is engineered for excellence in offshore conditions. Built through extensive collaboration with leading boat designers, this powerful engine line represents the pinnacle of marine propulsion technology.
Unmatched Performance and Efficiency
The XTO Offshore series was purpose-built to deliver extreme reliability while maintaining superior fuel economy—a combination rarely found in high-horsepower outboards. Key engineering advancements ensure that whether you are navigating calm waters or tackling rough offshore seas, your boat maintains maximum control and consistent power.
Key Performance Highlights of the 425 hp V8:
- Exceptional Horsepower: Delivering a robust 425 horsepower output from its powerful V8 configuration.
- Fuel Economy Advantage: Featuring an impressive compression ratio (12.2:1), which optimizes fuel usage without sacrificing necessary power for demanding marine applications.
- Durability Built-In: Designed with high standards of robustness, ensuring long-lasting reliability even under the most extreme conditions.
Advanced Features Defining Modern Marine Power
The 2023 Yamaha V8 outboard incorporates several industry-first features that elevate it above standard marine engines. These technological enhancements provide operators with unmatched control and convenience.
Cutting-Edge Technology Included:
- Electric Steering System: Enjoy superior maneuverability thanks to the integrated electric actuation system, providing precise directional control for all boat types.
- NEW Phase Angle Control Charging System: This award-winning industry first ensures optimal electrical charging performance for your vessel's onboard electronics and batteries.
- Advanced Components: Equipped with high-quality components such as Iridium spark plugs and quad thermostats, ensuring consistent engine temperature regulation and reliable ignition across all operational RPM ranges (5000 - 6000 RPM).
Comprehensive Technical Specifications Overview
Understanding the technical details confirms why this Yamaha Marine V8 remains a top choice for high-performance boat owners. This powerful outboard combines advanced engineering with dependable operation.
Engine Core Details
- Model: 2023 Yamaha Marine V8 Outboard
- Power Output: 425 hp (Prop Shaft rating) at 5,500 RPM.
- Displacement & Cylinder Count: 5.6 Liters, utilizing a powerful V8 DOHC design with 32 valves.
- Compression Ratio: Highly efficient 12.2:1 ratio for excellent fuel economy and power generation.
Operation and Installation Specifications
- Fuel System Capability: Designed to run efficiently on recommended octane levels (Octane 89), with compatibility up to a 10% ethanol blend limit.
- Electric Start/Alternator Output: Features an electric starting system for ease of use and high alternator output capacity, supporting demanding marine electrical loads.
- Steering Range: Offers impressive steering capability (up to 31° maximum angle), ensuring excellent handling characteristics in various conditions.
- Compatibility & Warranty: Compatible with Helm Master EX controls and backed by a comprehensive limited warranty for peace of mind on your offshore adventures.
Choosing Your Yamaha Marine Outboard
Whether you are looking for reliable pleasure cruising or demanding high performance far from shore, the 2023 Yamaha V8 outboard provides best-in-class power and efficiency. The combination of a robust engine design (952 lbs dry weight on 25" shaft) and advanced features makes this marine propulsion unit an industry leader in boat engines.
| Condition | NEW | |
| Year | 2023 | |
| Make | Yamaha Marine | |
| Model | V8 5.6L 425 hp | |
| Vehicle Type | Outboard | |
| Category | General | |
| Propulsion Type | Powered |
| 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.: 100 Amp Gross, Max | Up to 96 amps net/ 100 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 |
| Dry Weight | 25" shaft: 952 lbs (432 kg) | 30" shaft: 977 lbs (443 kg) | 35" shaft: 999 lbs (453 kg ) approx. |
| Engine Power | Prop Shaft: 425hp at 5500 RPM |
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 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.
Features may include:
NEW 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
Compatible with Helm Master® EX
Impressive 5-year Limited Warranty, for pleasure use
Estimate Payments
Payment calculations are just estimates. Rates and terms vary day to day. Not an agreement, informational purposes only. Contact dealer for current rates, terms, and payment plans, etc.
Advertised pricing excludes applicable taxes title and licensing and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.
