Crankshaft

GENERAL SPECIFICATIONS
Main Bearing Journal Diameter
Standard 79.139-79.340 mm (3.1228-3.1236 inch)
0.010 Undersize 79.065-79.085 mm (3.1128-3.1136 inch)
0.020 Undersize 78.811-78.831 mm (3.1028-3.1036 inch)
0.030 Undersize 78.577-78.577 mm (3.0928-3.0936 inch)
Main Bearing Journal Out-of-Round Maximum
Standard 0.0056 mm (0.00022 inch)
0.010 Undersize 0.0056 mm (0.00022 inch)
0.020 Undersize 0.0056 mm (0.00022 inch)
0.030 Undersize 0.0056 mm (0.00022 inch)
Main Bearing Thrust Face Runout TIR Maximum
Standard 0.025 mm (0.001 inch)
0.010 Undersize 0.025 mm (0.001 inch)
0.020 Undersize 0.025 mm (0.001 inch)
0.030 Undersize 0.025 mm (0.001 inch)
Main Bearing Journal Taper Maximum per inch
Standard 0.0038 mm (0.00015 inch)
0.010 Undersize 0.0038 mm (0.00015 inch)
0.020 Undersize 0.0038 mm (0.00015 inch)
0.030 Undersize 0.0038 mm (0.00015 inch)
Thrust Bearing Journal Width
Standard 31.509-31.585 mm (1.2405-1.2435 inch)
0.010 Undersize 31.509-31.585 mm (1.2405-1.2435 inch)
0.020 Undersize 31.509-31.585 mm (1.2405-1.2435 inch)
0.030 Undersize 31.509-31.585 mm (1.2405-1.2435 inch)
Main and Rod Bearing Journal Finish RMS Maximum
Standard 10
0.010 Undersize 10
0.020 Undersize 10
0.030 Undersize 10
Main Bearing Thrust Face Finish RMS Maximum
Standard 20
0.010 Undersize 20
0.020 Undersize 20
0.030 Undersize 20
Connecting Rod Journal Diameter
Standard 63.45-63.47 mm (2.4980-2.4990 inch) (a)
0.010 Undersize 63.20-63.22 mm (2.488-2.489 inch)
0.020 Undersize 62.94-62.96 mm (2.478-2.479 inch)
0.030 Undersize 62.69-62.71 mm (2.468-2.469 inch)
Connecting Rod Journal Taper per Inch Maximum
Standard 0.0066 mm (0.00026 inch)
0.010 Undersize 0.0066 mm (0.00026 inch)
0.020 Undersize 0.0066 mm (0.00026 inch)
0.030 Undersize 0.0066 mm (0.00026 inch)
Crankshaft End Play
Standard 0.063-0.216 mm (0.0025-0.0085 inch) (b)
0.010 Undersize 0.063-0.216 mm (0.0025-0.0085 inch)
0.020 Undersize 0.063-0.216 mm (0.0025-0.0085 inch)
0.030 Undersize 0.063-0.216 mm (0.0025-0.0085 inch)

a Maximum out-of-round - 0.0056 mm (0.00022 inch)
b Service limit - 0.51 mm (0.020 inch)