Mercury ProXs V8 Gasoline Engine, 300HP CXL EFI DTS

Mercury ProXs V8, 300HP CXL EFI DTS Outboard Motor

The Mercury Pro XS V8 engines of 200, 225, 250, and 300 horsepower are built for maximum performance, targeting competitive anglers and those seeking speed and rapid acceleration. The technical base is a 4.6-liter V8 engine, with an induction system optimized for high-RPM power and a specific tuning for sporty performance.

Advanced Range Optimization technology efficiently manages fuel consumption without compromising power, while Adaptive Speed Control maintains a constant RPM even under varying load conditions. The multiport electronic fuel injection system (EFI) and Digital Throttle and Shift (DTS) control provide instant response and superior operational precision.

Pro XS engines are designed to be lightweight and durable, using a casing design that reduces noise and vibrations. The high-capacity alternator ensures continuous power supply to onboard equipment, and the SmartCraft system allows advanced engine performance monitoring.

With a sporty line and Phantom Black finish, the Mercury Pro XS is the ideal choice for those who demand uncompromising performance, whether in competitions or high-speed fishing adventures.

Engine Features:

• Horsepower: 300HP;
• Engine type: 8 cylinders in V (V8);
• Engine displacement (cc): 4600;
• Max RPM: 5600-6200;
• Recommended fuel: minimum 90 octane;
• Performance-Tuned Scroll Intake Manifold: Yes;
• Injection system: computer-controlled sequential multiport fuel injection (EFI);
• Recommended oil: Mercury FourStroke Oil 10W-30;
• Alternator: 85 amp / 1071 watt;
• Engine protection: SmartCraft Engine Guardian;
• Starting: Smart Start Electric;
• Control: Remote (DTS – electronic control);
• Propeller shaft length: 635 mm (25 inch – extra-long XL cavitation plate, reverse rotation CXL);
• Gear ratio: 1.75:1;
• Weight: approximately 238 kg;
• CARB rating: 3 stars;
• Bore x Stroke: 96 x 96 mm;
• Fuel intake system: 32 valves, dual overhead camshaft (DOHC) engine;
• Ignition system: SmartCraft ECM 70 Digital Inductive;
• EFI: Yes;
• Cooling system: Thermostatic water cooling;
• Gears: F-N-R (forward – neutral – reverse);
• Power tilt: Yes;
• Power trim: Yes;
• Color: Phantom Black - white color available for an additional €1500 + VAT.

Included Accessories:

• New model DTS control box;
• Smart Craft black tachometer;
• Tachometer bezel (check if it is the Chrome code);
• Clean power harness;
• Boat cable;
• 4-position key switch DTS;
• Junction box;
• GPS 10-Pin extension (if applicable);
• Cable bellows;
• Cable extension (must be measured for each different boat);
• Aluminum propeller: selected according to the boat model.