System Specifications
Cylinder BlockCylinder Bore Diameter 86.0 mm ± 0.0076 (3.3859 inch ± 0.0003)
Out of Round (Max.) 0.076 mm (0.003 in.)
Taper (Max.) 0.051 mm (0.002 in.)
Crankshaft Main Bearing Journals
Diameter 63.49 - 63.51 mm (2.4997 - 2.5004 in.)
Bearing Clearance 0.035 - 0.053 mm (0.0014 - 0.0021 in.)
Bearing Clearance (Max.) 0.087 mm (0.0034 in.)
Out of Round (Max.) 0.015 mm (0.0006 in.)
Taper (Max.) 0.015 mm (0.0006 in.)
End Play 0.0475 - 0.2725 mm (0.0019 - 0.0108 in.)
End Play (Max.) 0.43 mm (0.017 in.)
Connecting Rods
Bearing Clearance 0.024 - 0.064 mm (0.001 - 0.0026 in.)
Side Clearance 0.13 - 0.38 mm (0.0052 - 0.015 in.)
Side Clearance (Max.) 0.4318 mm (0.017 in.)
Piston Pin Bore Diameter 22.007 - 22.015 mm (0.8665 - 0.8668 in.)
Bearing Bore Out of Round (Max.) 0.004 mm (0.0002 in.)
Total Weight (Less Bearing) 529.9 ± 7 grams (18.6917 ± 0.247 oz.)
Connecting Rod Journals
Diameter 53.51 - 53.49 mm (2.1067 - 2.106 in.)
Bearing Clearance 0.024 - 0.064 mm (0.001 - 0.0026 in.)
Out of Round (Max.) 0.015 mm (0.0006 in.)
Taper (Max.) 0.015 mm (0.0006 in.)
Connecting Rod Cap - Bolts 27 Nm + 1/4 Turn (20 ft. lbs. + 1/4 Turn)
Pistons
Material Aluminum Alloy
Piston Diameter 85.983 mm ± 0.019 (3.3851 inch ± 0.0017)
Clearance at Size Location -0.0096 to +0.0436 mm (-0.0003 to +0.0016 in.)
Piston Weight 316 - 326 grams (11.1466 - 11.4994 oz.)
Piston Rings
Ring Gap - Top Compression Ring 0.20 - 0.36 mm (0.008 - 0.014 in.)
Ring Gap - 2nd Compression Ring 0.37 - 0.63 mm (0.0146 - 0.0249 in.)
Ring Gap - Oil Control (Steel Rails) 0.25 - 0.76 mm (0.010 - 0.030 in.)
Piston Ring Groove Diameter - No. 1 77.8 - 78 mm (3.063 - 3.070 in.)
Piston Ring Groove Diameter - No. 2 75.9 - 76.1 mm (2.988 - 2.996 in.)
Piston Ring Groove Diameter - No. 3 76.5 - 76.7 mm (3.011 - 3.019 in.)
Piston Ring Side Clearance
Compression Ring - Top 0.035 - 0.083 mm (0.0013 - 0.0032 in.)
Compression Ring - Second 0.040 - 0.080 mm (0.0016 - 0.0031 in.)
Oil Ring (Steel Rails) 0.058 - 0.204 mm (0.0022 - 0.0080 in.)
Piston Ring Width
Compression Rings - Top and Second 1.47 - 1.49 mm (0.0579 - 0.0587 in.)
Oil Ring (Steel Rails) 0.445 - 0.470 mm (0.0176 - 0.0186 in.)
Crankshaft Damper - Bolt 170 Nm (125 ft. lbs.)
Connecting Rod Cap-Bolts 27 Nm +1/4 turn (20 ft. lbs. + 1/4 turn)
For specifications regarding Main Bearing Cap bolts, refer to service procedure. Removal and Replacement