Crankshaft, Engine
GENERAL SPECIFICATIONSCrankshaft
Main Bearing Journal Diameter 63.983 - 64.003 mm (2.5190 - 2.5198 inch)
Out-of-Round Limit 0.008 mm (0.0003 inch)
Taper Limit 0.06 mm (0.0006 inch) Total 0.013 mm (0.0003 inch) per 25 mm (1 inch)
Journal Runout Limit 0.05 mm (0.002 inch) b 0.05 mm (0.002 inch)c
Surface Finish (RMS) 0.25 Micrometers (10.0 Micro inch)
Thrust Bearing Journal
Length 25.775 - 25.825 mm (1.0148 - 1.067 inch)
Crankshaft End Play 0.10 - 0.20 mm (0.004 - 0.008 inch)
Main Bearing Thrust Face
Surface Finish (RMS) 0.4 Micrometers (0.157 Micro inch) Front; 0.4 Micrometers (0.157 Micro inch) Rear
Runout Limit 0.025 mm (0.001 inch)
Main Bearings
Clearance to Crankshaft
Desired 0.25 - 0.035 mm (0.001 - 0.0014 inch)
Allowable 0.020 - 0.066 mm (0.0005 - 0.0023 inch)
Bearing Wall Thickness (Std.) 2.444 - 2.481 mm 1st and 2nd 2.491 - 2.427 3rd and Rear
b Runout of journals II and III to journals I and IV. c Runout of adjacent journals to each other.