Cylinder Block Assembly: Specifications

Cylinder Head Deck Surface Flatness 0.100 mm (0.0039 inch)
Cylinder Bore Diameter 41 mm (1.610 inch) Below Deck Face 92.992-93.008 mm (3.6611-3.6617 inch)

Cylinder Bore Out-of-Round
Production 0.010 mm (0.0004 inch)
Service 0.100 mm (0.0039 inch)

Cylinder Bore Taper
Production 0.010 mm (0.0004 inch)
Service 0.100 mm (0.0039 inch)

Surface Flatness - Block Deck 0.050 mm (0.0020 inch)

Crankshaft Main Journal Diameter 64.350-64.366 mm (2.5335-2.5341 inch)

Crankshaft Main Bearing Clearance
Production 0.0150-0.0550 mm (0.0006-0.0022 inch)
Service 0.0150-0.0635 mm (0.0006-0.0025 inch)

Crankshaft Main Bearing Bore Diameter 72.430-72.442 mm (2.8516-2.8521 inch)
Crankshaft Main Bearing Bore Out-of-Round 0.010 mm (0.0004 inch)

Connecting Rod Bearing Clearance
Production and Service 0.0250-0.0760 mm (0.0010-0.0030 inch)

Connecting Rod Side Clearance 0.200-0.500 mm (0.0079-0.0197 inch)

Piston
Piston Diameter 42 mm (1.6353 inch) Below Crown 92.957-92.972 mm (3.6597-3.6603 inch)
Piston Pin Bore Diameter 23.002-23.007 mm (0.9056-0.9058 inch)Piston to Bore Clearance 0.020-0.051 mm (0.0008-0.0020 inch)

Piston Ring End Gap
First Compression Ring 0.250-0.400 mm (0.0098-0.0157 inch)
Second Compression Ring 0.350-0 050 mm (0.0138-0.0020 inch)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 inch)
Piston Ring to Groove Clearance
First Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)
Second Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)
Oil Control Ring None - Side Sealing
Piston Ring Thickness
First Compression Ring 1.199-1.203 mm (0.0472-0.0474 inch)
Second Compression Ring 1.499-1.504 mm (0.0590-0.0592 inch)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 inch)

Crankshaft Balancer Bolt
First Pass 50 Nm (37 ft. lbs.)
Final Pass +120 degrees
Crankshaft Main bearing cap bolt torque and sequence refer to service procedure; Service and Repair