Crankshaft main bearing repair diameters

Crankshaft main bearing repair diameters

• Bearing I: 54.62 mm
• Bearing II: 56.865 mm
• Bearing III: 56.889 mm
• Bearing IV: 58.273 mm
• Bearing V: 59.116 mm

Bearing Journal Width:

• Bearing No. I: 37.00 mm
• Bearing No. II: 30.00 mm
• Bearing No. III: 38.00 mm
• Bearing No. IV: 30.00 mm
• Bearing No. V: 38.00 mm

Main Bearing Shell Widths:

• Bearing No. I: 29.35 mm
• Bearing No. II: 21.50 mm
• Bearing No. III: 29.50 mm
• Bearing No. IV: 21.50 mm
• Bearing No. V: 29.50 mm

Main Bearing Shell Thickness:

• New: 1.885 mm
• Repair size: 2.035 mm

Crank Journal Diameter:

• Diameter — Std.: 50.00 mm
• Repair size: 49.70 mm
• Width of journals: 30.05 mm

Big End Bearing Shells:

• Thickness: 1.815 mm
• Oversize: 1.965 mm

Cylinder Block and Cylinder Liners

• Cylinder block height: 285.9 ± 0.15 mm
• Height between cylinder head face and liner locating flange: 90.00 mm
• Liner material: Centrifugal cast iron
• Type: “Wet” cylinder liners
• Liner length: 136.20 mm
• Lower locating diameter: 93.00 mm

Cylinder Liner Protrusion:

• To April 1989: 0.07 - 0.14 mm
• From April 1989: 0.03 - 0.10 mm

Seals/Shims for Liner Protrusion Adjustment:

• To July 1987, paper: 0.07, 0.085, 0.105 and 0.13 mm
• From August 1987: 0.10, 0.12 and 0.15 mm

Differences in Cylinder Liners !: Liners have been changed, quote engine number

Cylinder Liner Bore Diameter:

Note: Pistons are marked with the same class sizes. Refer to Page 47 for piston sizes belonging to each of the cylinder liners.