mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Crankshaft, Engine|Specifications|Page 2128 > < Cleaning and Inspection|Page 2124
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Crankshaft: Specifications

DIMENSIONS

Grade # - Main Journal Diameter

0 - 62.967-62.975 mm (2.4790-2.4793 inches)
1 - 62.959-62.967 mm (2.4787-2.4790 inches)
2 - 62.951-62.959 mm (2.4784-2.4787 inches)

Runout

Standard:  0.025 mm (0.0010 inch)
Limit:  0.10 mm (0.0039 inch)

End Play

Standard:  0.050-0.170 mm (0.0020-0.0067 inch)
Maximum:  0.30 mm (0.0118 inch)

Main Journal Out-of-Round - Maximum:  0.005 mm (0.0002 inch)
Main Bearing Oil Clearance

Standard:  0.028-0.055 mm (0.0011-0.0022 inch)
Maximum:  0.090 mm (0.0035 inch)

TORQUE SPECIFICATIONS

Tighten the eight crankshaft main bearing cap bolts in two steps in the sequence shown to:  90-100 Nm (67-74 ft. lbs.).

Crankshaft, Engine|Specifications|Page 2128 > < Cleaning and Inspection|Page 2124