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Mercury Mercruiser 4.5L 250HP MPI Sterndrive Engine

  • Mercury Mercruiser 4.5L 250HP MPI Sterndrive Engine
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US $7,050.00
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Product Description

Mercury Mercruiser 4.5L 250HP MPI Sterndrive Engine

The Next Generation:

Featuring a host of engineering innovations, the 4.5L series establishes new standards for power-to-weight ratio, driver experience, acceleration, durability, and ease of maintenance.

Features:

* Built for Marine: Designing a V-6 block solely for marine use allows Mercury to build the 4.5L with the ultimate protection system, using cast-iron componentry where the engine intersects with seawater, and using corrosion-resistant aluminum and composites everywhere else.
* Powerful Performer: Thanks to its new, long-runner scroll intake manifold which draws in more air and converts it into additional torque, the 4.5L delivers a ground-breaking power-to-weight ratio and gives you V-8 power in a V-6 package.
* Smooth & Quiet: The 4.5L’s newly designed rear-facing throttle body, anti-whistle throttle plate, engine cover and mounts, lightweight flywheel, fuel-supply module, and structural oil pan all work together to deliver a superior idle, smoothness and low vibration. Resulting in an exceptional driving experience.
* Corrosion Protection: The MercFusion Paint System creates an outer seal against the elements, while MerCathode® provides automatic protection against galvanic corrosion. For maximum defense against saltwater effects, the SeaCore® industrial hardcoat anodizing system and closed-cooling circuit is available with the Bravo® drive.
* Sporty Handling: The 4.5L comes standard with Adaptive Speed Control, which automatically maintains engine rpm regardless of load or water conditions. The result is increased throttle response and a sporty feel.
* Easy to Maintain: When service is required, maintenance is a snap with the front-mounted drive lube monitor, color-coded maintenance points – including easy-to-reach oil filter and fill – and “how-to” videos that can be accessed via the QR code on the label.

Specifications:

* HP / kW: 250 / 186
* Maximum RPM (WOT): 4800-5200
* Engine type: V6, 2-valve/cylinder pushrod
* Displacement (L): 4.5
* Displacement (CID/L): 275 / 4.5
* Bore and stroke: 4.0 x 3.6 in. / 102 x 92 mm
* Recommended fuel: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
* Fuel ethanol tolerance: Up to 10%
* Fuel requirement: 90 RON 10% Ethanol Maximum, Unleaded Regular 87 Octane Minimum (R+M/2)
* Engine control system: Mechanical Shifting with Optional SmartCraft DTS, Standard SmartCraft with Electronic Throttle Control
* Fuel delivery system: Computer controlled Multi-Port Electronic Fuel Injection (MPI)
* Air induction: Performance-Tuned Scroll Intake Manifold
* Ignition: SmartCraft PCM 112 Digital Inductive
* Alternator amp / Watt: 70 amp / 882 watt (Belt-Driven)
* Water drain system: Air Actuated "Season Extender" (Bravo), Easy Drain "Season Extender" (Alpha)
* Exhaust system: Through prop
* Cooling system: Water cooled with thermostat; FWC available as factory option (Alpha) and packaged with SeaCore Drive (Bravo)
* Lubrication system: Integrated wet sump
* Recommended oil: NMMA Certified FCW 25W-40 Synthetic Blend
* Engine guardian system: SmartCraft Engine Guardian
* Dimensions (L x W x H): 28 x 30 x 22 in. / 696 x 740 x 559 mm
* Weight (engine only): 761 lb. / 345 kg
* Compatible drives: Alpha, Bravo One, Bravo Three, Bravo Two

Engine:

Engine Type : V6, 2-valve/cylinder pushrod
Horsepower : 250 hp (186 kW)
Bore x Stroke : 4.0 x 3.6 in. (102 x 92 mm)
Displacement : 4.5 L

Dimensions:

Length : 28 in. (696 mm)
Width : 30 in. (740 mm)
Height : 22 in. (559 mm)
Weight : 761 lb. (345 kg)

General:

Full Throttle Operating Range : 4800-5200 rpm
Fuel Induction : Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Alternator : 70 amp / 882 watt (Belt-Driven)
Cooling : Water cooled with thermostat; FWC available as factory option (Alpha) and packaged with SeaCore Drive (Bravo)
Warranty : 3 Year Corrosion, 2 Year Limited


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