Engine Mechanical Specifications

Block
Camshaft Bearing Bore Diameter - Front and Rear 51.03 - 51.08 mm (2.009 - 2.011 inch)
Camshaft Bearing Bore Diameter - Middle #2, #3 50.77 - 50.82 mm (1.999 - 2.001 inch)
Crankshaft Main Bearing Bore Diameter 72.1535 - 72.1695 mm (2.840 - 2.841 inch)
Crankshaft Main Bearing Bore Out - of - Round 0.008 mm (0.00031 inch)
Cylinder Bore Diameter 93.991 - 94.009 mm (3.700 - 3.701 inch)
Cylinder Bore Out - of - Round - Diameter - Production 0.020 mm (0.0008 inch)
Cylinder Bore Out - of - Round - Diameter - Service 0.025 mm (0.001 inch)
Cylinder Bore Taper - Production 0.020 mm (0.0008 inch)
Cylinder Bore Taper - Service 0.025 mm (0.001 inch)
Cylinder Head Deck Height 224 mm (8.818 inch)
Cylinder Head Deck Surface Flatness 0.05 mm ( per 152 mm (0.0019 inch) per 6 inch)
Valve Lifter Bore Diameter 1.417 - 21.455 mm (0.843 - 0.844 inch)

Connecting Rod
Connecting Rod Bearing Clearance 0.18 - 0.062 mm (0.0007 - 0.017 inch)
Connecting Rod Bore Diameter 60.322 - 60.338 mm (2.375 - 2.376 inch)
Connecting Rod Bore Out - of - Round 0.006 mm (0.00023 inch)
Connecting Rod Length - Center to Center 150 mm (5.9 inch)
Connecting Rod Side Clearance 0.200 - 0.241 mm (0.008 - 0.009 inch)
Connecting Rod Journal Diameter 57.122 - 57.138 mm (2.249 - 2.250 inch)

Crankshaft
Connecting Rod Journal Diameter 57.122 - 57.138 mm (2.248 - 2.249 inch)
Connecting Rod Journal Out - of - Round 0.005 mm (0.0002 inch)
Connecting Rod Journal Taper 0.008 mm (0.0003 inch)
Connecting Rod Journal Width 21.92 - 22.08 mm (0.863 - 0.869 inch)
Crankshaft End Play 0.060 - 0.210 mm (0.0024 - 0.0083 inch)
Crankshaft Main Bearing Journal Width 23.9 - 24.1 mm (0.941 - 0.949 inch)
Crankshaft Main Bearing Clearance 0.019 - 0.064 mm (0.0008 - 0.0025 inch)
Crankshaft Main Journal Diameter 67.239 - 67.257 mm (2.6473 - 2.6483 inch)
Crankshaft Main Journal Out - of - Round 0.005 mm (0.0002 inch)
Crankshaft Main Journal Taper 0.008 mm (0.0003 inch)
Crankshaft Rear Flange Runout 0.04 mm (0.0016 inch)

Piston Ring End Gap
First Compression Ring 0.18 - 0.39 mm (0.007 - 0.015 inch)
Second Compression Ring 0.48 - 0.74 mm (0.019 - 0.029 inch)
Oil Control Ring 0.25 - 0.74 mm (0.010 - 0.029 inch)

Piston Ring to Groove Clearance
First Compression Ring 0.03 - 0.076 mm (0.001 - 0.003 inch)
Second Compression Ring 0.04 - 0.078 mm (0.002 - 0.003 inch)
Oil Control Ring 0.09 mm (0.004 inch)

Piston Ring Thickness
First Compression Ring 1.164 - 1.190 mm (0.046 - 0.047 inch)
Second Compression Ring 1.472 - 1.490 mm (0.058 inch)
Oil Control Ring - Maximum 2.440 mm (0.096 inch)

Piston
Piston Diameter - production 93.980 - 94.020 mm (3.7 - 3.701 inch)
Piston Diameter - service limit 93.960 mm (3.699 inch)
Piston Pin Bore Diameter 24.008 - 24.013 mm (0.9452 - 0.9454 inch)
Piston Ring Groove Width 1.23 - 1.255 mm (0.048 - 0.049 inch)
Piston to Bore Clearance - production - 0.029 to +0.029 mm ( - 0.0011 to +0.011 inch)
Piston to Bore Clearance - service limit - Maximum 0.080 mm (0.003 inch)

Pin
Piston Pin Clearance to Connecting Rod Bore - Press Fit - 0.022 to +0.044 mm ( - 0.0008 to +0.0017 inch)
Piston Pin Clearance to Piston Pin Bore 0.008 - 0.016 mm (0.0003 - 0.0006 inch)
Piston Pin Diameter 23.997 - 24.000 mm (0.9447 - 0.9448 inch)
Piston Pin Length 59.87 - 60.13 mm (2.35 - 2.36 inch)