Mercury® Remanufacturing
Plus-Series Alpha Sterndrives
A line to repower sterndrive boats with value performance.
Ready to pair up with an Alpha® drive.
3.0 Alpha® TKS
135 Crankshaft Horsepower
The ideal repower for your runabout or pontoon boat using the classic front engine mount system. No Power Steering - The best value available with Turn Key Starting.
350 MPI Alpha
300 Crankshaft Horsepower Thanks to its size and power, this is the ideal replacement engine for 5.0L, 5.7L, 5.0 MPI and 5.7 EFI engines that power cruisers, small boats and large runabouts.
Specifications
Mercury® Remanufacturing: Plus-Series Alpha Sterndrives
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Print Compare With Other Products Request a QuotePart number - 863611R11
HP / kW @ flywheel - 300 / 224
Maximum RPM (WOT) - 4600 - 5000
Engine type - V-8 Remanufactured Iron Marine Block
Displacement (CID/L) - 355 / 5.8
Bore and stroke - 4.03 x 3.48" / 103 x 88 mm
Compression ratio - 9.4:1
Fuel ethanol tolerance - Up to 10%
Engine control system - ECM 555 W/Knock Control & Crankshaft Trigger
Fuel delivery system - GEN II Cool Fuel with Boost Pump
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 - Iron manifold with Dry-Joint Exhaust Elbow
Cooling system - 160F Raw Water Alpha
Accessory drive system - Serpentine belt
Lubrication system - High Flow 60 psi 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 Stamped 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
Compatible drives (application dependent - contact sales or service) - Alpha 1.47:1
- Alpha 1.81:1
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Print Compare With Other Products Request a QuotePart number - 8M0072497
HP / kW @ flywheel - 135 / 99
Maximum RPM (WOT) - 4400 - 4800
Engine type - Remanufactured 3.0L GM Inline-4 Marine Iron Block & Heads
Displacement (CID/L) - 184 / 3.0
Bore and stroke - 4.03 x 3.60" / 102 x 91 mm
Compression ratio - 9.3:1
Fuel ethanol tolerance - Up to 10%
Engine control system - Distributor
Fuel delivery system - 2V Merc Carb with Automatic Enrichment for Turn Key Starting with Mechanical Fuel Pump
Air induction - Iron Manifold
Alternator amp / Watt - 65 amp / 917 watt
Water drain system - EZ Water Drain
Exhaust system - Iron manifolds with electro-deposition paint coated dry joint exhaust elbow
Cooling system - 160F Raw Water
Accessory drive system - V-Belt
Lubrication system - High Flow Oil Pump
Recommended oil - Mercury MerCruiser Synthetic Blend 25W-40, NMMA FC-W rated
Cranktrain - Nodular Iron Crankshaft
Rocker arms - 1.5:1 Stamped Steel
Dimensions (L x W x H) - 29 x 22 x 21" / 730 x 565 x 526 mm
Weight (engine only) - 567 lbs / 257 kg
Documents
Installation Drawings
