Dimension & Clearance Specifications - Connecting Rod & Bearings

Connecting Rod Bolt Diameter [1]:
Standard 8.860-9.000 rum (0.3488-0.3543 inch)
Minimum 8.600 mm (0.3386 inch)
Connecting Rod Bow Limit (per 100 mm) 0.050 mm (0.0020 inch)
Connecting Rod Twist Limit (per 100 mm) 0.050 mm (0.0020 inch)
Connecting Rod Out-of-Round and Taper Limit 0.02 mm (0.0008 inch)
Connecting Rod Journal Diameter:
Standard Bearings 39.985-40.000 mm (1.5742- 1.5748 inch)
0.25 Undersized 39.745-39.755 mm (1.5648-1.5652 inch)
Connecting Rod Bearing Clearance
Standard Bearings 0.020-0.051 mm (0.0008-0.0020 inch)
0.25 Undersized Bearings 0.019-0.065 mm (0.0007-0.0026 inch)
Maximum Clearance 0.080 mm (0.0031 inch)
Connecting Rod Bearing Thickness
Mark 1 1.486-1.490 mm (0.0585-0.0587 inch)
Mark 2 1.490-1.494 mm (0.0587-0.0588 inch)
Mark 3 1.494-1.498 mm (0.0588-0.0590 inch)



[1] Measured at 15 mm (0.59 inch) Bottom Edge of Bolt.