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Mercury 300XL SeaPro Commercial
Inspected & Documented Condition notes recorded before palletizing.
30-Day Startup Warranty Covers block, heads and internal moving components.
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Mercury 300XL SeaPro Commercial

Part no: 300XL-SeaPro-Com
Brand: Mercury
Condition: Used
$23,043.71
Freight included, insured LTL to the continental US (details)
$23,043.71 delivered to the continental US
  • Palletized and heavy shrink-wrapped for freight
  • LTL carrier delivery with optional liftgate service
  • Ships in 1–2 business days from Los Angeles, CA
  • Transit typically 3–7 business days, continental US
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Details & Inspection Notes

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Mercury 300XL SeaPro Commercial has calibrated its new V8 and V6 SeaPro outboards to generate ample torque at lower rpm levels, enabling users to work their outboards hard without placing excess stress on the engine.

HEAVY-DUTY GEARCASE

• All V8 and V6 SeaPro engines feature a heavy-duty gearcase validated at three times the lifespan of a recreational gearcase.

• The SeaPro gearcase was designed with easy maintenance in mind: oil can be easily drained from the gearcase torpedo.

  • Horsepower: 300
  • Engine type: V8
  • Displacement (CID/CC): 279 CID
  • Displacement (L): 4.6
  • Cylinder Configuration: V-8 [64 degrees] with Dual Overhead Cam [DOHC] and 32-valves
  • Bore and stroke: 3.6 in x 3.4 in / 92 mm x 86 mm
  • Full throttle RPM: 4800-5600
  • Shaft length: 25 “
  • Gearcase ratio: 1.75:1
  • Alternator amp / Watt: 85-amp (1071 Watt) with Idle Charge
  • Maximum Trim Range: 20° (-6° to 14°)
  • Maximum Tilt Range: 73° (-6° to 67°)
  • Dry weight: 527 (Lightest model available) lbs
  • Mid Section: Conventional MidSection
  • Air induction: Performance-Tuned Long-Runner Intake Manifold
  • Engine protection operator warning system: SmartCraft Engine Guardian
  • Starting: Electric Start with SmartStart Protection
  • Controls: Remote Mechanical (Sold separately)
  • Steering: Hydraulic (optional), Power (optional), Big Tiller (optional)
  • Fuel induction system: Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
  • CARB star rating: 3
  • Ignition: SmartCraft PCM 112 Digital Inductive
  • Lubrication system: Integrated wet sump
  • Cooling system: Water-cooled with thermostat
  • Gear shift: F-N-R
  • Gearcase: 5.44″
  • Trim system: Power Trim & Tilt
  • Exhaust system: Through prop
  • Recommended fuel: Unleaded Regular 87 Octane Minimum (R M/2) or 90 RON 10% Ethanol Maximum
  • Recommended oil: NMMA Certified FCW SAE 25W-40 (Optional 10W-30 for Cold Conditions)
  • Oil Capacity: 7.0 Quarts / 6.6 Liters

Equipment

Please ask our sales staff for a propeller that fits the best to your needs!

  • Propeller: not included

Startup & Installation Checklist

  • Replace timing components, water pump and plugs before initial startup where applicable.
  • Refill all fluids with manufacturer-specified oil and coolant.
  • Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
  • Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.

Full terms: 30-day startup warranty · returns

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