3.0L Alpha TKS

135 Crankshaft Horsepower

3.0L Alpha TKS
  • The ideal repower for your runabout or pontoon boat using the classic front engine mount system
  • No Power Steering - The best value available
  • Turn Key Starting

1-Year Factory Warranty

Available when purchased through any Mercury/MerCruiser authorized dealer

2 Additional Years of Coverage

Available from Mercury Product Protection



Part Number 8M0072497
Horsepower @ flywheel 135
Kilowatts @ flywheel 99
Maximum RPM (WOT) 4400-4800
Cylinders Remanufactured 3.0L GM Inline-4 Marine Iron Block & Heads
Displacement (CID/L) 184 / 3.0
Bore & Stroke (in/mm) 4.03 x 3.60in
102 x 91mm
Compression Ratio 9.3:1
Fuel / Ethanol Tolerance 87 octane / up to 10% ethanol
Engine Control System Distributor
Fuel Delivery System 2V Merc Carb with Automatic Enrichment for Turn Key Starting with Mechanical Fuel Pump
Induction System Iron Manifold
Charging alternator amp 65
Charging alternator watt 917
Water drain system EZ Water Drain
Exhaust System Iron Manifold
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 Certified FC-W Synthetic Blend
Cranktrain Nodular Iron Crankshaft
Rocker Arms 1.5:1 Stamped Steel
Length (in/mm) 29in / 730mm
Width (in/mm) 22in / 565mm
Height (in/mm) 21in / 526mm
Weight (lbs/kg) 567lbs / 257kg

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