Cylinder Block Assembly: Specifications

Block
Balance Shaft Bearing Bore Diameter - Carrier 42.000-42.016 mm (1.6535-1.6542 in)
Balance Shaft Bushing Bore Diameter 40.763-40.776 mm (1.6048-1.6054 in)
Crankshaft Main Bearing Bore Diameter 64.068-64.082 mm (2.5224-2.5229 in)
Cylinder Bore Diameter 87.992-88.008 mm (3.4668-3.4675 in)
Cylinder Bore Out-of-Round - Maximum 0.010 mm (0.0004 in)
Cylinder Bore Taper - Maximum 0.010 mm (0.0004 in)
Cylinder Head Deck Surface Flatness - Longitude 0.050 mm (0.002 in)
Cylinder Head Deck Surface Flatness - Overall 0.08 mm (0.0031 in)
Cylinder Head Deck Surface Flatness - Transverse 0.030 mm (0.0012 in)

Connecting Rod
Connecting Rod Bearing Clearance 0.029-0.073 mm (0.0011-0.0029 in)
Connecting Rod Bore Diameter - Bearing End 52.118-52.134 mm (2.0519-2.05252 in)
Connecting Rod Bore Diameter - Pin End 20.007-20.017 mm (0.7877-0.7881 in)
Connecting Rod Side Clearance 0.070-0.370 mm (0.0028-0.0146 in)
Connecting Rod Straightness - Bend - Maximum 0.021 mm (0.0083 in)
Connecting Rod Straightness - Twist - Maximum 0.04 mm (0.0157 in)

Crankshaft
Connecting Rod Journal Diameter 48.999-49.015 mm (1.9291-1.9297 in)
Crankshaft End Play 0.050-0.380 mm (0.0012-0.0150 in)
Crankshaft Main Bearing Clearance 0.031-0.067 mm (0.0012-0.0026 in)
Crankshaft Main Journal Diameter 55.993-56.009 mm (2.2044-2.2051 in)

Piston Rings
Piston Ring End Gap - First Compression Ring 0.15-0.30 mm (0.006-0.012 in)
Piston Ring End Gap - Second Compression Ring 0.20-0.45 mm (0.008-0.018 in)
Piston Ring End Gap - Oil Control Ring - Rails 0.15-0.65 mm (0.006-0.026 in)
Piston Ring to Groove Clearance - First Compression Ring 0.04-0.08 mm (0.0015-0.0031 in)
Piston Ring to Groove Clearance - Second Compression Ring 0.030-0.070 mm (0.0012-0.0030 in)
Piston Ring to Groove Clearance - Oil Control Ring 0.058-0.207 mm (0.0023-0.0081 in)
Piston Ring Thickness - First Compression Ring 1.170-1.190 mm (0.0461-0.0469 in)
Piston Ring Thickness - Second Compression Ring 1.471-1.490 mm (0.0579-0.0587 in)
Piston Ring Thickness - Oil Control Ring - Rail - Maximum 0.473 mm (0.0186 in)
Piston Ring Thickness - Oil Control Ring - Spacer - Rail 0.929-1.006 mm (0.0366-0.0396 in)

Pistons and Pins
Pin - Piston Pin Clearance to Connecting Rod Bore 0.007-0.020 mm (0.0003-0.0008 in)
Pin - Piston Pin Clearance to Piston Pin Bore 0.004-0.012 mm (0.0002-0.0005 in)
Pin - Piston Pin Diameter 19.997-20.000 mm (0.7873-0.7874 in)
Pin - Piston Pin End Play 0.410-1.266 mm (0.0161-0.0498 in)
Piston - Piston Diameter - @14.5 mm up 87.967-87.982 mm (3.4633-3.4638 in)
Piston - Piston Pin Bore Diameter 20.004-20.009 mm (0.7876-0.7878 in)
Piston - Piston Ring Groove Width - Oil Control 2.01-2.03 mm (0.0791-0.0799 in)
Piston - Piston Ring Groove Width - Second 1.52-1.54 mm (0.0598-0.0606 in)
Piston - Piston Ring Groove Width - Top 1.23-1.25 mm (0.0484-0.0492 in)
Piston - Piston to Bore Clearance 0.010-0.041 mm (0.0004-0.0016 in)