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  • OEM MerCruiser Plus Series 4.3 4V Alpha Engine Motor 225 HP 865108R89 8M0178620 8M0187349

OEM MerCruiser Plus Series 4.3 4V Alpha Engine Motor 225 HP 865108R89 8M0178620 8M0187349

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Part Number:
714-8M0187349
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Description

MerCruiser Plus Series 4.3 4V Alpha Engine Motor 225 HP 8m0178620

Part number
  • 8M0178620
HP / kW @ flywheel
  • 225 / 168
Maximum RPM (WOT)
  • 4200 - 4600
Engine type
  • V-6 Remanufactured Iron Marine Block
Displacement (CID/L)
  • 265 / 4.3
Bore and stroke
  • 4.03 x 3.48" / 102 x 88 mm
Compression ratio
  • 9.4:1
Fuel ethanol tolerance
  • Up to 10%
Fuel requirement
  • 87 octane (R+M)/2
Engine control system
  • EST
Fuel delivery system
  • 4V carburetor and electric fuel pump
Fuel injection system / carburetor type
  • 600 cfm Weber 4V with electric choke
Air induction
  • Dual plane iron intake manifold
Alternator amp / Watt
  • 65 amp / 917 watt
Water drain system
  • Multi-point drain
Exhaust system
  • Electro-deposition paint coated warm iron manifold with wet joint elbow
Cooling system
  • 160F Raw Water
Accessory drive system
  • Serpentine belt
Lubrication system
  • High Flow Oil Pump
Recommended oil
  • Mercury MerCruiser Synthetic Blend 25W-40, NMMA Certified FC-W Synthetic Blend
Pistons
  • Cast Hypereutectic Alloy
Cranktrain
  • Powder Metal Rods and Nodular Iron Crankshaft
Rocker arms
  • 1.5:1 Full Roller Steel
Dimensions (L x W x H)
  • 28" x 30" x 22" / 696mm x 740mm x 559 mm
Weight (engine only)
  • 784 lbs / 356 kg
Compatible drives (application dependent - contact sales or service)
  • Alpha 1.47:1
  • Alpha 1.62:1
  • Alpha 1.81:1
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Warranty Information

Mercury Marine & Quicksilver products carry a 1 year factory warranty against defects and workmanship. Serialized items such as engines, drives, and transom assemblies must be installed by a dealer for warranty to be valid.
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Specs

MPN:
8m0178620
Engine Size:
v6
Horse Power:
225
Drive Type:
Alpha

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