mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Crankshaft, Engine > < Crankshaft Gear/Sprocket|Specifications
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Crankshaft Main Bearing: Specifications

Crankshaft Main Bearing Journal 

Diameter .................................................................................................................................................................... 51.980-52.000 mm (2.046-2.047 in)
Production repair ....................................................................................................................................................... 51.730-51.750 mm (2.036-2.037 in)

Main bearing clearance ............................................................................................................................................... 0.019-0.035 mm (0.0007-0.0013 in)

Main bearing bore diameter ....................................................................................................................................... 57.020-57.038 mm (2.244-2.245 in)

Crankshaft, Engine > < Crankshaft Gear/Sprocket|Specifications