Cylinder Block Assembly: Specifications

CYLINDER HEAD SURFACE VARIATION

Surface Flatness - Block Deck
Longitude 0.050 mm (0.002 in)
Overall 0.1 mm (0.004 in)
Transverse 0.030 mm (0.0012 in)

CYLINDER BLOCK

Cylinder Head Deck Surface Flatness
Longitude 0.050 mm (0.002 in)
Overall 0.08 mm (0.0031 in)
Transverse 0.030 mm (0.0012 in)

CYLINDER BORE DIAMETER

Cylinder Bore Diameter 85.992-86.008 mm (3.3855-3.3861 in)

CYLINDER BORE TAPER

Cylinder Bore Taper
Maximum 0.010 mm (0.0004 in)

CYLINDER OUT OF ROUND

Cylinder Bore Out-of-Round
Maximum 0.010 mm (0.0004 in)

CRANKSHAFT JOURNAL DIAMETER & LIMIT

Crankshaft Main Journal Diameter 55.994-56.008 mm (2.2045-2.2050 in)
Crankshaft Main Bearing Bore diameter 64.068-64.082 mm (2.5224-2.5229 in)
Crankshaft End Play 0.050-0.380 mm (0.0012-0.0150 in)

CRANKSHAFT MAIN BEARING CLEARANCE

Crankshaft Main Bearing Clearance 0.031-0.067 mm (0.0012-0.0026 in)

MAIN BEARING CAP

Crankshaft Bearing - Lower Crankcase to Block - Bedplate
First Pass 20 Nm (15 lb ft)
Final Pass 70 degrees

CONNECTING ROD BEARING CLEARANCE

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)
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)
Twist - Maximum 0.04 mm (0.0157 in)

Connecting Rod Journal Diameter 49.000-49.014 mm (1.9291-1.9297 in)

PISTON CLEARANCE

Piston To Bore Clearance, without polymer 0.010-0.041 mm (0.0004-0.0016 in)

PISTON RING END GAP
First Compression Ring 0.20-0.35 mm (0.008-0.014 in)
Second Compression Ring 0.35-0.55 mm (0.014-0.022 in)
Oil Control Ring - Rails 0.25-0.75 mm (0.010-0.030 in)

PISTON RING TO GROOVE CLEARANCE
First Compression Ring 0.04-0.08 mm (0.0015-0.0031 in)
Second Compression Ring 0.030-0.069 mm (0.0012-0.0027 in)
Oil Control Ring 0.058-0.207 mm (0.0023-0.0081 in)

PISTON RING THICKNESS
Upper First Compression Ring 1.170-1.190 mm (0.0461-0.0469 in)
Upper Second Compression Ring 1.471-1.490 mm (0.0579-0.0587 in)
Oil Control Ring - Rail - Maximum 0.473 mm (0.0186 in)
Oil Control Ring - Spacer 0.929-1.006 mm (0.0366-0.0396 in)

PISTON RING GROOVE WIDTH
Oil Control 2.01-2.03 mm (0.0791-0.0799 in)
Second 1.52-1.54 mm (0.0598-0.0606 in)
Top 1.23-1.25 mm (0.0484-0.0492 in)

PISTON DIAMETER

Piston Diameter - @14.5 mm up 85.967-85.982 mm (3.3845-3.3851 in)

CRANKSHAFT PULLEY

Crankshaft Balancer Bolt
First pass 100 Nm (74 lb ft)
Final pass 125 degrees