Mercury® Remanufacturing
Plus-Series Inboards

Value performance for your inboard repower.

Standard and opposite rotation versions are available

See All Models and Specs

Owners Manuals

Owners Manuals

Need an Owner’s Manual for your Mercury engine to perform maintenance, replace parts or just learn more about your engine? Mercury has made it easy for you to purchase a printed copy or to download and print your own copy. To order a printed version of the Service Manual for your particular Mercury Outboard or MerCruiser Engine, click here.  


Mercury® Remanufacturing: Plus-Series Inboards

  • Part number
    • 865108R10
    HP / kW @ flywheel
    • 350 / 261
    Maximum RPM (WOT)
    • 4600 - 5000
    Engine type
    • V-8 Remanufactured Iron Marine Block
    Displacement (CID/L)
    • 383 / 6.3
    Bore and stroke
    • 4.03 x 3.75" / 102 x 95 mm
    Compression ratio
    • 9.0:1
    Fuel ethanol tolerance
    • Up to 10%
    Engine control system
    • ECM 555 W/Knock Control & Crankshaft Trigger
    Fuel delivery system
    • GEN III cool fuel
    Fuel injection system / carburetor type
    • Multi-point electronic fuel injection (MPI)
    Air induction
    • Two-piece long runner intake with 75 mm throttle body (80 mm w/DTS)
    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 Bravo with Sea Water Pump
    Accessory drive system
    • Serpentine belt
    Lubrication system
    • High Flow 100 psi Oil Pump
    Recommended oil
    • Mercury MerCruiser Synthetic Blend 25W-40, NMMA Certified FC-W Synthetic Blend
    • Cast Hypereutectic Alloy
    • Powder Metal Rods and Forged 4340 Steel Crankshaft
    Rocker arms
    • 1.6:1 Roller Tip Steel
    Dimensions (L x W x H)
    • 32 x 30 x 22" / 814 x 740 x 559 mm
    Weight (engine only)
    • 932 lbs / 423 kg
    Print Compare With Other Products


Buy the Books
Buy the Books

You can order all available Mercury literature online or through any authorized Mercury dealer. Please have your outboard or sterndrive serial number before placing the order.

  • Operation, Maintenance, and Warranty Manuals
  • Parts Manual
  • Service Manual

Purchase a Manual

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