FourStroke
150 Pro XS
Designed and built to take you where you are at your best – whether that’s saltwater flats or inshore bays; cool freshwater rivers or warm inland lakes.
- Engine type 8-valve single overhead cam (SOHC), Inline 4
- Displacement (L) 3.0
- Full throttle RPM 5200-6000
- Steering Dual cable mechanical, Hydraulic power steering
- Dry weight *Lightest model available 456/207
The specifications displayed here may not be indicative of the entire engine family; click on the “See All Models and Specs” link to view the specs in detail.

The best way to get there first
High-performance features unite to let you drive as fast as everyone wishes they could drive:
- Mercury-exclusive Transient Spark technology optimizes spark timing to provide increased torque and improved acceleration
- 2.08:1 gear ratio transmits more torque to the prop shaft
- Nearly 20 pounds lighter than the closest competitor
- Quickest 0-20 mph in its class
- Fastest high-output 150hp four-stroke outboard

More efficient, more intuitive, more refined
Innovative design delivers the complete package
- Idle Charge battery-management technology prevents battery from draining while trolling and operating multiple electronic devices
- Class-leading 60 amp alternator
- Four water pickups on nosecone provide flexibility to mount the engine higher, install a jack plate, or trim higher

Building a better ride
- Increased maximum engine rpm of 6000 provides broader selection of propeller pitches and dialed-in performance
- Proven, performance-inspired gearcase provides durability and speed
- Unmatched noise and vibration mitigation
- Optimized engine mounts improve boat handling at high speeds
Specifications
FourStroke: 150 Pro XS
-
HP / kW - 150/110
Engine type - 8-valve single overhead cam (SOHC)
- Inline 4
Displacement (CID/CC) - 183
Displacement (L) - 3.0
Full throttle RPM - 5200-6000
Air induction - Performance-Tuned Scroll Intake Manifold
Fuel induction system - Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
Recommended fuel - Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Recommended oil - NMMA Certified FCW SAE 10W-30
Engine protection operator warning system - SmartCraft Engine Guardian
Compatible with SmartCraft digital technology - Yes
Starting - Electric (turn-key)
Controls - Mechanical throttle & shift
Steering - Dual cable mechanical
- Hydraulic power steering
Shaft length - 20" / 508 mm
- 25" / 635 mm
Dry weight *Lightest model available - 456/207
CARB star rating - 3
Bore and stroke - 4.0" x 3.6" / 102mm x 92mm
Ignition - SmartCraft ECM 07 Digital Inductive
Cooling system - Water-cooled with thermostat
Gear shift - F-N-R
Trim system - Power Tilt
- Power Trim
Exhaust system - Through prop
Oil Capacity - 6.3 qts/ 6.0L