$13,560.00
150 HP four-stroke, 3.0L inline four-cylinder engine
25″ extra-long shaft with remote mechanical steering
Electronic Fuel Injection (EFI) with Smart Start electric start
60-amp alternator with idle charge technology
SmartCraft compatibility for digital gauge integration
Corrosion-resistant for freshwater/saltwater durability
Power trim/tilt with shallow water drive
Lightweight design with low noise and vibration
The Mercury 150XL is a high-performance four-stroke outboard motor designed for mid-sized boats, including bass boats, aluminum consoles, runabouts, offshore fishing boats, and pontoons up to 18-22 feet. Featuring a 25-inch extra-long shaft, it weighs 475 lbs, making it one of the lightest in its class with the largest displacement at 3.0L (183 cubic inches). The inline four-cylinder engine with Electronic Fuel Injection (EFI) delivers robust torque and a full throttle range of 5000-5800 RPM, ensuring quick planing and strong acceleration. It includes remote mechanical steering, Smart Start electric start, and power trim/tilt for precise control. A 60-amp alternator with idle charge technology boosts output to recharge batteries at low RPM, ideal for electronics-heavy setups. The motor’s optimized cowl, mounts, and tuned intake minimize noise and vibration, making it quieter than competitors. Built for durability in freshwater and saltwater, it uses low-copper aluminum alloys, stainless steel components, and a multi-layered paint process for corrosion resistance. With SmartCraft compatibility, it integrates with digital gauges for real-time data, offering fuel efficiency and low maintenance.
| Engine | 4-stroke, SOHC | Inline 4-cylinder | 3.0L / 183 cu in | 150 HP @ 5000-5800 RPM | EFI, 8-valve | Digital ECM 70 ignition | Water-cooled |
| Shaft | 25″ extra-long | Corrosion-resistant | 9.25″ x 10″ 3-blade prop | Shallow water drive | 22° trim range | Standard rotation | Salt/freshwater rated |
| Controls | Remote mechanical | Smart Start electric | Power trim/tilt | Hydraulic steering | SmartCraft compatible | Engine alert system | F-N-R gear shift |
| Charging | 60 amps / 756 watts | Idle charge technology | Regulated charging | Supports electronics | Belt-driven alternator | Low-speed charging | Battery cable |
| Weight | 475 lbs / 215 kg | Lightweight design | Balanced weight | Transom mount | Minimal drag | Robust construction | Low maintenance |
| Performance | 5000-5800 RPM range | Fuel-efficient | Low emissions | High torque | Quick acceleration | Quiet operation | Top speed ~30-40 mph |
| Compatibility | 18-22 ft boats | Bass, consoles, pontoons | Offshore fishing boats | External fuel tank | Aluminum prop | Salt/freshwater rated | Repower compatible |
| Dimensions | 25″ shaft length | 17.1″ W | 44.5″ H | 61.4″ L | Corrosion-resistant | Transom mount | 73° tilt range |
| Engine | 4-stroke, SOHC | Inline 4-cylinder | 3.0L / 183 cu in | 150 HP @ 5000-5800 RPM | EFI, 8-valve | Digital ECM 70 ignition | Water-cooled |
| Shaft | 25″ extra-long | Corrosion-resistant | 9.25″ x 10″ 3-blade prop | Shallow water drive | 22° trim range | Standard rotation | Salt/freshwater rated |
| Controls | Remote mechanical | Smart Start electric | Power trim/tilt | Hydraulic steering | SmartCraft compatible | Engine alert system | F-N-R gear shift |
| Charging | 60 amps / 756 watts | Idle charge technology | Regulated charging | Supports electronics | Belt-driven alternator | Low-speed charging | Battery cable |
| Weight | 475 lbs / 215 kg | Lightweight design | Balanced weight | Transom mount | Minimal drag | Robust construction | Low maintenance |
| Performance | 5000-5800 RPM range | Fuel-efficient | Low emissions | High torque | Quick acceleration | Quiet operation | Top speed ~30-40 mph |
| Compatibility | 18-22 ft boats | Bass, consoles, pontoons | Offshore fishing boats | External fuel tank | Aluminum prop | Salt/freshwater rated | Repower compatible |
| Dimensions | 25″ shaft length | 17.1″ W | 44.5″ H | 61.4″ L | Corrosion-resistant | Transom mount | 73° tilt range |
High-Performance Engine: 3.0L inline four-cylinder engine with EFI and an 8-valve SOHC design delivers superior torque and acceleration, with a 1.92:1 gear ratio for efficient power delivery.
Lightweight Design: At 475 lbs, it’s the lightest 150 HP four-stroke, enhancing fuel efficiency and performance on mid-sized boats.
Reliable Starting: Smart Start electric start with EFI ensures surefire starting in all conditions, with instant throttle response for smooth operation.
High-Output Charging: 60-amp alternator with idle charge technology increases RPM at idle to boost output, keeping batteries charged for electronics.
Quiet and Smooth: Optimized cowl, tuned intake, and robust mounts reduce noise and vibration, making it quieter than competing 150 HP outboards.
Corrosion Resistance: Low-copper aluminum alloys, stainless steel components, zinc-coated passages, and a freshwater flush system ensure durability in harsh marine environments.
Fuel Efficiency: EFI and closed-loop fuel control optimize fuel delivery, using 87-octane fuel with up to 10% ethanol, paired with a 6.3-quart oil capacity for extended range.
SmartCraft Integration: Compatible with SmartCraft digital gauges for real-time data on RPM, fuel, engine hours, and more, enhancing control via the Mercury Marine app.
How Does Shipping Work and How Long Does It Take?
We understand how important it is for your new item to arrive safely and in perfect condition. We partner with professional carriers to ensure every order is handled with expert care from start to finish.
Order Processing & Shipping Times
Orders are processed and shipped within 2-5 business days (excluding weekends and holidays). All items are delivered within 10 business days from the date of shipment. As your delivery date nears, the shipper will contact you to coordinate a seamless drop-off.
Before ordering, please verify your shipping address to prevent delays. Your satisfaction is our priority, and we’re committed to making your shopping experience smooth and enjoyable. Have questions? Email us at sales@go2float.com—we’re here to help!
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3 reviews for Mercury 150 HP 25″ Shaft | 150XL
runs flawlessly and offers great control, the power delivery is smooth and steady. i’m really happy with the durability and performance of this motor
best 150hp i’ve owned so far, strong and quiet. handles well in rough water and starts up instantly. bought it at a fair price which made it an even better deal
smooth and reliable motor, perfect for my needs. the 25” shaft works great with my boat, plenty of power for all conditions. really impressed with the fuel efficiency too