Yamaha Outboards 150HP | LF150XSA2

Yamaha LF150XSA2 150 HP Four-Stroke Outboard: Digital Precision and Counter-Rotation

The Yamaha Outboards 150HP | LF150XSA2.

Are you looking for a sophisticated, powerful, and exceptionally reliable outboard for your boat, especially in a twin-engine configuration?

Perhaps you prioritize advanced digital controls for seamless operation, combined with integrated steering for a clean transom. Specifically, do you need a 150 horsepower engine with a counter-rotating propeller and an extra-long 25-inch shaft to perfectly complement a twin setup or suit a higher transom?

The Yamaha LF150XSA2 150 HP Four-Stroke Outboard Motor is precisely engineered to deliver on these comprehensive and modern boating demands.

Indeed, the LF150XSA2 represents the pinnacle of Yamaha’s F150 platform. It builds upon a decade of proven reliability and performance, integrating cutting-edge technology. Furthermore, this model distinctly features counter-rotation (left-hand, counter-clockwise) propeller rotation.

This makes it an ideal pairing with a standard rotation F150XSA2 in a twin-engine setup. This configuration significantly enhances steering control, reduces prop torque, and improves overall boat handling, particularly at speed.

Moreover, it comes with an extra-long 25-inch shaft. This ensures optimal propeller depth for various hull types, especially those with higher transoms or when used in twin configurations on larger boats. It includes a smooth electric start system, providing effortless and dependable ignition. In addition, it boasts Power Trim & Tilt with an integrated tilt limiter, allowing for quick adjustments to optimize performance and navigate varying water depths with added protection.

Beyond this, the LF150XSA2 is configured for Digital Electronic Control (DEC). This provides incredibly precise and smooth throttle and shift operation. Crucially, it also features Integrated Electro-Hydraulic Steering (IEHS). This cutting-edge system offers responsive, effortless steering while eliminating bulky external steering components, leading to a much cleaner and more spacious bilge.

It further integrates advanced Electronic Fuel Injection (EFI) and Variable Camshaft Timing (VCT) for optimal combustion efficiency. Ultimately, the LF150XSA2 delivers powerful, whisper-quiet, and exceptionally responsive performance, making it a premier choice for boaters demanding top-tier features and seamless integration with modern marine electronics.

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Deciphering the LF150XSA2 Model Code

The “LF150XSA2” designation provides crucial information about this Yamaha outboard’s specific characteristics.

The “L” for Left-Hand (Counter) Rotation

First, the “L” signifies Left-Hand Rotation, meaning the propeller rotates counter-clockwise. Therefore, this engine is specifically designed to be paired with a standard (right-hand rotating) F150XSA2 in twin-engine applications. This counter-rotation setup cancels out propeller torque, improving steering stability, handling, and tracking.

The “F” for Four-Stroke Engine

Next, the “F” indicates a Four-Stroke engine. This means the engine operates on a cleaner, more fuel-efficient four-stroke cycle, contrasting with two-stroke engines. Consequently, it offers superior fuel economy and lower emissions.

The “150” for Horsepower

Then, the “150” simply denotes the 150 horsepower rating at the prop shaft.

The “X” for Extra-Long Shaft

Furthermore, the “X” signifies an Extra-Long Shaft (25 inches, or approximately 643 mm). This shaft length is crucial for boats with higher transoms. Specifically, it ensures the propeller is adequately submerged for optimal thrust and performance, particularly in choppy conditions or when rigged on larger, offshore vessels.

The “SA2” for Digital Electronic Control and Integrated Electro-Hydraulic Steering (Latest Generation)

Finally, the “SA2” is a highly informative suffix.

• The “S” indicates compatibility with Digital Electronic Control (DEC), often referred to as “drive-by-wire.” Thus, this provides incredibly smooth, precise, and effortless throttle and shift operation, eliminating mechanical cables.
• The “A” (or sometimes “A2”) typically points to the presence of Integrated Electro-Hydraulic Steering (IEHS). This is a significant advancement where the steering system, including a hydraulic pump, is built directly into the outboard’s bracket. Consequently, it offers responsive power steering without bulky external components, resulting in a cleaner bilge and more space.
• The “2” at the end of “XSA2” indicates the latest generation or a specific revision of this model, often incorporating enhancements like TotalTilt™ functionality and improved compatibility with Yamaha’s Helm Master EX® system.

Therefore, the LF150XSA2 is a counter-rotating, four-stroke, 150 horsepower outboard with a 25-inch extra-long shaft. It features Digital Electronic Controls and advanced Integrated Electro-Hydraulic Steering, making it a premier choice for multi-engine setups.

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Why the Yamaha LF150XSA2 Excels: Key Advantages

The Yamaha LF150XSA2 stands out for boaters who demand the ultimate in control, efficiency, and reliability, particularly for twin-engine installations.

Digital Electronic Control (DEC) for Unmatched Precision

Primarily, the LF150XSA2’s Digital Electronic Control (DEC) system provides exceptionally smooth and precise throttle and shift operation. Consequently, there’s no cable friction or lag. This results in intuitive control, especially for fine adjustments at low speeds or when docking. Furthermore, DEC models often offer features like single-lever operation for twin engines and auto-synchronization.

Integrated Electro-Hydraulic Steering (IEHS)

A standout feature is its Integrated Electro-Hydraulic Steering (IEHS) system. This means the steering cylinder and an electric hydraulic pump are neatly housed within the outboard’s bracket. Therefore, it provides effortless, power-assisted steering with responsive feedback. Moreover, it eliminates bulky external steering components from the transom, leading to a much cleaner boat appearance and more usable bilge space.

Counter-Rotation for Superior Handling

The “L” in LF150XSA2 signifies its counter-rotation capability. In twin-engine installations, pairing a counter-rotating engine (like this LF150XSA2) with a standard rotation engine (like an F150XSA2) effectively cancels out propeller torque. Consequently, this dramatically improves tracking, reduces steering effort, and enhances overall boat stability and handling, especially in rough water or at high speeds.

Powerful 2.8L DOHC Engine with VCT

At its core, the LF150XSA2 is powered by a robust 2.8-liter (2785cc) in-line four-cylinder, 16-valve, DOHC (Double Overhead Camshaft) four-stroke engine. This larger displacement, compared to the mechanical F150 models, enhances torque. Moreover, it incorporates Variable Camshaft Timing (VCT) technology. Thus, VCT continuously adjusts the intake camshaft timing. This optimizes valve overlap and duration for increased power and throttle response across the entire RPM range, especially in the low and mid-range.

TotalTilt™ Feature with Integrated Tilt Limiter

The “A2” designation often implies the inclusion of Yamaha’s TotalTilt™ feature. This allows for complete tilt up or down with a simple double-push of the trim/tilt button. Furthermore, it integrates a tilt limiter that lets you pre-set a maximum tilt angle. This prevents accidental contact with other boat components or overhead obstructions when tilting the engine.

High-Output Alternator

Significantly, the LF150XSA2 features a powerful 50-amp alternator output (12V). This provides ample power for all your onboard electronics, from sophisticated navigation systems to multiple livewells. Moreover, it reliably charges your battery. Even at low RPMs, the alternator produces strong, stable output, ensuring consistent power for demanding electronics.

Legendary Yamaha Durability

Like all Yamaha outboards, the LF150XSA2 is built for durability. It features robust materials and superior corrosion protection. This includes Yamaha’s proprietary YDC-30 aluminum alloy. It also has a 5-stage Phaze Five™ anti-corrosive paint system, multiple sacrificial anodes, and high-quality stainless steel components. All these elements ensure longevity in harsh marine environments. Moreover, a freshwater flushing system allows for easy rinsing, further extending engine life.

Variable Trolling RPM Control (VTS®) & Helm Master EX® Compatibility

The LF150XSA2 offers Variable Trolling RPM Control (VTS®). This feature lets you precisely adjust trolling speeds in 50-RPM increments (from 550 to 1000 RPM). This is invaluable for anglers who need to fine-tune lure presentation. Furthermore, its DEC and IEHS capabilities make it fully compatible with Yamaha’s advanced Helm Master EX® integrated boat control system, offering joystick control, autopilot, and other advanced features for unparalleled vessel management.

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Core Features of Your Yamaha LF150XSA2 150 HP Four-Stroke Outboard

Here’s a concise breakdown of the key features that define the Yamaha LF150XSA2:

Engine & Performance

• 150 Horsepower (Prop Shaft): Strong, reliable power.
• 2.8L Four-Cylinder DOHC Engine with VCT: Enhanced torque and responsiveness.
• Electronic Fuel Injection (EFI): Reliable starts, fuel efficiency, and responsive power.
• Variable Trolling RPM Control (VTS®): Precision trolling.
• Prime Start™ System: Guarantees instant cold starts.
• Offset Crankshaft: Reduces internal friction for efficiency.

Starting & Control

• Electric Start: Effortless engine ignition.
• Digital Electronic Control (DEC): Smooth, precise “drive-by-wire” throttle and shift.
• Integrated Electro-Hydraulic Steering (IEHS): Effortless power steering, clean rigging.
• TotalTilt™ with Integrated Tilt Limiter: Fast, convenient engine tilting with protective stops.
• Helm Master EX® Compatibility: Integrates with Yamaha’s advanced boat control system.

Design & Charging

• Left-Hand (Counter) Rotation: Ideal for twin-engine setups for improved handling.
• 25-inch (Extra-Long) Shaft: Suits larger boats with higher transoms.
• High-Output 50-Amp Alternator: Ample power for onboard electronics.
• Available in Pearlescent White: Modern aesthetic option.

Durability & Environment

• Legendary Yamaha Reliability: Built for long-term durability.
• Advanced Corrosion Protection: Multi-layer paint, alloys, and anodes resist saltwater.
• CARB 3-Star Rating: Ensures ultra-low emissions.
• Watertight Cowling: Protects internal components.
• Freshwater Flushing System: Simplifies maintenance.

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Ideal Applications for Your Yamaha LF150XSA2 Outboard

The Yamaha LF150XSA2 is particularly well-suited for a select range of boats that benefit from its advanced features and counter-rotating design.

Twin-Engine Center Consoles

This outboard is an excellent choice for twin-engine center consoles. Pairing an LF150XSA2 with an F150XSA2 provides balanced steering and improved maneuverability. Moreover, the 25-inch shaft is appropriate for the transoms of most offshore-capable center consoles.

Twin-Engine Catamaran Boats

Catamaran boats often benefit greatly from twin counter-rotating outboards. The LF150XSA2 helps optimize handling and reduce cavitation, especially when coming out of the hole. Furthermore, the DEC and IEHS provide precise control for docking and maneuvering in tight spaces, which is beneficial for catamarans.

Larger Bay Boats (Twin Engine)

For larger bay boats designed for twin-engine installations, the LF150XSA2 offers the power and sophisticated control needed for efficient operation. Consequently, it enhances overall performance and versatility.

Offshore Fishing Boats

Offshore fishing boats that utilize twin 150 HP outboards will find the LF150XSA2 to be a highly effective and reliable component of their propulsion system. Ultimately, it provides the dependability and performance required for long runs.

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Yamaha’s Unwavering Commitment to Quality

Choosing a Yamaha LF150XSA2 means more than just acquiring an outboard motor. You are investing in a meticulously engineered piece of marine equipment. It’s designed for impressive power, robust construction, effortless electric start, and the precision of digital electronic controls and integrated steering. Furthermore, it offers long-term reliability and exceptional performance for demanding boating adventures.

Yamaha’s decades of innovation and craftsmanship are evident in every aspect of the LF150XSA2. This ranges from its powerful 2.8L DOHC engine with VCT to its outstanding fuel economy and renowned durability. Ultimately, the LF150XSA2 embodies Yamaha’s promise. It delivers a superior boating experience. It ensures peace of mind and countless hours of high-performance enjoyment on the water.

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Technical Specifications (Approximate – Always Verify with Official Yamaha Resources for the specific model year)

• Model Name: LF150XSA2
• Engine Type: 4-Stroke, DOHC, In-line 4-Cylinder, 16-Valve with Variable Camshaft Timing (VCT)
• Horsepower (Prop Shaft): 150 HP @ 5500 RPM
• Displacement: 2785 cc (2.8L / 170 ci)
• Bore x Stroke: 96.0 mm x 96.2 mm (3.78 x 3.79 in.)
• Full Throttle RPM Range: 5000 – 6000 RPM
• Fuel Induction System: Electronic Fuel Injection (EFI)
• Starting System: Electric with Prime Start™
• Ignition System: TCI Microcomputer
• Alternator Output: 50 Amps (12V) with Rectifier Regulator
• Lubrication System: Wet Sump (pressurized oil delivery system)
• Engine Oil Capacity: 4.5 L (4.8 US qt) with filter, 4.3 L (4.5 US qt) without filter
• Gear Ratio: 2.00:1 (28:14)
• Gear Shift: F-N-R (Forward, Neutral, Reverse)
• Shaft Length: 25 inches (Extra-Long Shaft) – approx. 643 mm (25.3 in) transom length
• Trim & Tilt System: Power Trim & Tilt with TotalTilt™ and integrated Tilt Limiter
• Recommended Fuel: Midgrade Unleaded (Minimum Pump Octane 89)
• Recommended Fuel Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external, recommended)
• C.A.R.B. Rating: 3-Star (Ultra Low Emission)
• Exhaust: Through Propeller
• Weight (Dry): Approximately 237 kg (522-524 lbs)
• Steering: Integrated Electro-Hydraulic Steering (IEHS)
• Propeller Rotation: Left-Hand (Counter Rotation)
• Standard Features: Electric Start, Power Trim & Tilt with TotalTilt™, EFI, VCT, Freshwater Flushing System, Variable Trolling RPM Control (VTS®) compatibility, Robust Corrosion Protection (YDC-30 alloy, 5-stage paint process, extra-large anodes), Offset Crankshaft, Watertight Cowling with Intake Air Drain System, Compatible with Yamaha Command Link® Digital Gauges, NMEA2000 compatibility, Helm Master EX® compatibility, Shift Dampener System (SDS).
• Typical Color: Yamaha Gray or Pearlescent White (model dependent)

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Are you ready to equip your multi-engine boat with a powerful, counter-rotating, efficient, and technologically advanced 150 HP outboard with a 25-inch shaft, featuring digital controls and integrated steering? This model offers electric start, Power Trim & Tilt, and precise remote control. Invest in the Yamaha LF150XSA2 150 HP Four-Stroke Outboard Motor today. Experience unparalleled control and exhilarating performance. Enjoy the peace of mind that comes with Yamaha’s trusted quality. Ultimately, elevate your boating experience to the next level.