System Specifications

Cylinder Block
Cylinder bore
Diameter 90.213 - 90.226 (grade 2)
Maximum taper 0.013 mm
Maximum out-of-round 0.015 mm
Main bearing bore inside diameter 72.40 - 72.424 mm (2.8504 - 2.8513 in.)
Head gasket surface flatness
40 x 40 mm 0.030 mm max.
150 x 150 mm 0.050 mm max.
Overall 0.150 mm max.
Head gasket surface finish RZ DIN = 13.5 microns 0.8 mm: Wt = 10 microns 2.5

Crankshaft
Main bearing journal
Diameter 67.483 - 67.503 mm (2.6568 - 2.6576 in.)
Maximum taper 0.004 mm (0.0002 in.)
Maximum out-of-round 0.0075 mm (0.0003 in.) between cross sections
Main bearing journal-to-cylinder block clearance 0.066 - 0.024 mm (0.0259 - 0.0009 in.)
Connecting rod journal
Diameter 53.003 - 52.983 mm (2.0867 - 2.0859 in.)
Maximum taper (straightness) 0.004 mm (0.0002 in.)
Maximum out-of-round 0.0075 mm (0.0003 in.) between cross sections
Crankshaft maximum end play 0.301 mm (0.0118 in.)

Piston and Connecting Rod
Piston diameter
Grade 1 90.191 - 90.206 mm
Grade 2 90.203 - 90.220 mm
Grade 3 90.217 - 90.232 mm
Piston-to-cylinder bore clearance @ 43 mm from top 0.005- (+) 0.025 mm ([-] 0.0002- (+) 0.0010 in.)
Piston ring end gap
Top 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Intermediate 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Oil control 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Ring groove width
Top 1.520 - 1.540 mm (0.0598 - 0.0606 in.)
Intermediate 1.520 - 1.540 mm (0.0598 - 0.0606 in.)
Oil control 3.03 - 3.055 mm (0.1193 - 0.1203 in.)
Piston ring width
Top 1.5 mm
Intermediate 1.5 mm
Piston ring-to-groove clearance
Top 0.020 - 0.060 mm (0.0008 - 0.0024 in.)
Intermediate 0.020 - 0.060 mm (0.0008 - 0.0023 in.)
Oil control 0.030 - 0.070 mm (0.0012 - 0.0028 in.)
Piston pin bore diameter 22.0065 - 22.0110 mm (0.8664 - 0.8666 in.)
Piston pin
Diameter 21.995 - 21.997 mm (0.8659 - 0.8660 in.)
Length 61.870 - 62.120 mm (2.4358 - 2.4456 in.)
Piston pin-to-piston fit 0.0095 - 0.016 mm (0.0004 - 0.0006 in.)
Piston-to-connecting rod clearance 6.58 - 7.58 mm
Connecting rod-to-pin clearance 0.016 - 0.038 mm (0.0006 - 0.0015 in.)
Connecting rod pin bore diameter 22.02 - 22.01 mm (0.8671 - 0.8666 in.)
Connecting rod length (centerline bore-to-bore) 150.7 mm (5.9330 in.)
Connecting rod
Maximum allowable bend ±0.038 mm (0.0015 in.)
Maximum allowable twist ±0.05 mm (0.0019 in.)
Connecting rod bearing bore diameter 56.86 - 56.89 mm (2.2388 - 2.2396 in.)
Connecting rod bearing-to-crankshaft clearance 0.06 - 0.02 mm (0.0026 - 0.0010 in.)
Connecting rod side clearance
Standard 0.015 - 0.45 mm (0.0006 - 0.0177 in.)
Maximum 0.50 mm (0.0197 in.)

For torque specifications, refer to the service procedure.