Cylinder Block Assembly: Specifications

Cylinder Bore Diameter 92.00 mm (3.622 in)

Crankshaft Journal Diameter & Limits
Standard Yellow 69.984 mm (2.755 in)
Standard Green 69.977 mm (2.754 in)
Standard White 69.971 mm 2.753 in)
1st undersized yellow 69.734 mm (2.746 in)
1st undersized green 69.727 mm (2.745 in)
1st undersized white 69.721 mm (2.744 in)
2nd undersized yellow 69.484 mm (2.736 in)
2nd undersized green 69.477 mm (2.735 in)
2nd undersized white 69.471 mm (2.735 in)
3rd undersized yellow 69.234 mm (2.726 in)
3rd undersized green 69.227 mm (2.725 in)
3rd undersized white 69.221 mm (2.724 in)


Main Bearings
Main Bearing Clearance 0.085 to 0.257 mm (0.0033 to 0.010 in)
End Float 0.020 to 0.046 mm (0.0008 to 0.002 in)
Maximum ovality - measured at centre main bearing journal 0.15 mm (0.006 in)
Thrust bearing diameters 32.0 to 32.6 mm (1.260 to 1.283 in) in increments of 0.2 mm (0.008 in)
Diameter clearance
Yellow/green journals 0.006 mm (0.00023 in)
white journals 0.005 (0.00020 in)

Main Bearing Cap
Torque 20 Nm (15 ft. lbs.)
Then, tighten bolts a further 100°.


Connecting Rods
Maximum permitted weight deviation between rods (less bearing shells) +3.0 grammes (0.10 ozs)
Small end bush inside diameter
Nominal 22.0 mm (0.866in)
Service limit 22.012 mm (0.867 in)


Piston and Piston Rings
Piston running clearance in cylinder bore
Standard 0.006 to 0.038 mm (0.0002 to 0.0014 in)
Service limit 0.1 mm (0.004 in)
Piston ring type 2 compression, 1 oil control
Top compression ring Plain
2nd compression ring Tapered face
Oil control ring 3 piece, steel band
Piston ring fitted gap in cylinder bore
Top compression ring 0.02 to 0.060 mm (0.0008 to 0.0023 in)
2nd compression ring width 0.02 to 0.060 mm (0.0008 to 0.0023 in)
Oil control ring width Not measured


Crankshaft Pulley
Torque 22 Nm (16 ft. lbs.)