Outboard Engine – Fits Yamaha 150HP 4-Stroke (Replaces VF150XA/VF150LA)
Outboard Engine – Fits Yamaha 150HP 4-Stroke (Replaces VF150XA/VF150LA) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Outboard Engine – Fits Yamaha 150HP 4-Stroke (Replaces VF150XA/VF150LA) is backordered and will ship as soon as it is back in stock.
Product Details
This is an aftermarket replacement Yamaha In-Line Four V MAX SHO 150HP Outboard Engine, designed to fit multiple boat models requiring a powerful and reliable 4-stroke motor. Featuring a 2.8L high-output four-cylinder design, it comes in 20" (VF150XA) and 25" (VF150LA) shaft length options to suit various hull configurations.
This engine serves as a high-performance power source for compatible vessels, offering a blend of power, efficiency, and advanced features.
- Engineered with Electronic Fuel Injection (EFI) for reliable starts and optimal fuel economy.
- Features a 50-amp alternator for robust charging of onboard electronics.
- Compatible with a wide range of digital and mechanical control systems for versatile rigging.
Engine & Model Compatibility
Confirm your boat model in the table below. This engine is a popular choice for various aluminum fishing and pontoon boats.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Alumacraft | Edge 185 Sport | 150 | 4-Stroke | VF150XA | V MAX SHO |
| Alumacraft | Trophy 185 Sport | 150 | 4-Stroke | VF150XA | V MAX SHO |
| Avid | 19XB | 150 | 4-Stroke | VF150LA | V MAX SHO |
| G3 Boats | Angler V17 C | 150 | 4-Stroke | VF150XA | V MAX SHO |
| G3 Boats | Elite 322 RC | 150 | 4-Stroke | VF150LA | V MAX SHO |
| G3 Boats | Sportsman 19 | 150 | 4-Stroke | VF150LA | V MAX SHO |
| G3 Boats | V322 GT | 150 | 4-Stroke | VF150LA | V MAX SHO |
Technical Specs
- Product Type
- Outboard Engine
- Engine Type
- In-Line 4-Cylinder
- Displacement
- 2.8L (171 cubic inches)
- Bore x Stroke
- 96mm x 96.2mm (3.78 x 3.79 inches)
- Full Throttle RPM Range
- 5000–6000 RPM
- Rated Power
- 150HP at 5500 RPM
- Maximum Torque
- 13.0 Nm at 6000 RPM
- Compression Ratio
- 10.3:1
- Fuel System
- Electronic Fuel Injection (EFI)
- Weight
- 218 kg (480 pounds)
- Alternator Output
- 50 amp
- Recommended Fuel
- 89 octane
- Recommended Oil
- Yamalube 4M
- Lubrication
- Wet sump
- Oil Capacity
- 4.5L/4.3L
- Ignition System
- TCI Microcomputer
- Spark Plug
- LFR6A-11
- Starting System
- Electric
- Cooling System
- Thermostatically controlled
- Ethanol Compatibility
- Maximum 10%
- Exhaust
- Through propeller
- Gear Ratio
- 2.00:1
- Shaft Length Options
- 20" (X) - 25" (L)
- Tilt Angle
- 70°
- Trim Angle
- -4° to +16°
- Steering Method
- Mechanical remote control
- Maximum Steering Angle
- 32° from center (left/right)
- Warranty
- Limited 3-year recreational use, 3-year government use, 1-year commercial use
Installation Notes
- Ensure the transom is rated for the engine's weight (480 lbs) and horsepower (150HP).
- Mount the engine securely to the transom using appropriate hardware, ensuring it is perfectly centered and at the correct height.
- Connect the steering system (mechanical or other), ensuring full and smooth range of motion without binding.
- Attach throttle and shift cables to the engine, and connect the main wiring harness to the boat's electrical system.
- Connect the fuel line from the boat's tank to the engine's fuel inlet.
- Fill the engine with the recommended Yamalube 4M oil to the specified capacity (4.3L–4.5L).
- Install a compatible propeller (sold separately).
- Before starting, prime the fuel system and check all connections for leaks. Test run the engine in water, never dry.
Troubleshooting & FAQ
What are the available shaft length options?
This engine is available in a 20-inch shaft length (designated by 'X' in the part number, VF150XA) and a 25-inch shaft length (designated by 'L', VF150LA) to match different boat transoms.
What fuel and oil are recommended for this engine?
Use a minimum of 89 octane gasoline with no more than 10% ethanol. The recommended engine oil is Yamalube 4M. The oil capacity is between 4.3 and 4.5 liters.
Which control systems and gauges work with this motor?
It is compatible with Helm Master EX®, Command Link Plus digital controls, traditional mechanical controls, and the multi-function tiller handle. For instrumentation, it works with the CL5 touchscreen display as well as digital and analog gauges.
What is the alternator's output?
The engine features a high-output 50-amp alternator to power onboard electronics, batteries, and accessories.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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