System Specifications
Cylinder boreDiameter 89.00 mm (3.504 in.)
Maximum taper 0.050 mm (0.002 in.)
Maximum out-of-round 0.025 mm (0.001 in.)
Maximum out-of-round-service limit 0.050 mm (0.002 in.)
Main bearing bore inside diameter 68.885 - 68.905 mm (2.712 - 2.713 in.)
Head gasket surface flatness 0.08 mm/152.0 mm (0.003 in./6.00 in.)
Piston diameter
Coded red 88.962 - 88.978 mm (3.5024 - 3.5031 in.)
Coded blue 88.988 - 89.004 mm (3.5035 - 3.5041 in.)
Coded yellow 89.014 - 89.030 mm (3.5045 - 3.5051 in.)
Piston-to-cylinder bore clearance
Standard 0.030 - 0.056 mm (0.0012 - 0.0022 in.)
Service limit 0.081 mm (0.031 in.) maximum
Piston ring end gap
Compression (top and bottom, in gauge) 0.25 - 0.50 mm (0.01 - 0.02 in.)
Oil ring (steel rail, in gauge) 0.25 - 1.25 mm (0.010 - 0.049 in.)
Piston ring groove width
Compression (top and bottom) 1.530 - 1.555 mm (0.0602 - 0.0612 in.)
Oil 4.030 - 4.055 mm (0.1587 - 0.1596 in.)
Piston ring width
Compression (top and bottom) 1.460 - 1.490 mm (0.0575 - 0.0587 in.)
Oil Side seal-snug fit ring
Service limit Side clearance 0.015 mm (0.0006 in.) maximum
Piston pin bore diameter Service piston grade required
Piston pin bore diameter
Red 89.009 - 89.035 mm (3.5043 - 3.5053 in.)
Blue 89.035 - 89.060 mm (3.5053 - 3.5063 in.)
Yellow 89.060 - 89.086 mm (3.5063 - 3.5073 in.)
Piston pin diameter 23.162 - 23.175 mm (0.9119 - 0.9124 in.)
Piston pin length 57.12 - 57.88 mm (2.248 - 2.278 in.)
Connecting rod
Pin bore diameter 23.105 - 23.145 mm (0.9096 - 0.9112 in.)
Length (center-to-center) 140.46 - 140.54 mm (5.530 - 5.533 in.)
Maximum allowed bend 0.04 per 25 mm (0.0016 per in.)
Maximum allowed twist 0.075 per 25 mm (0.003 per in.)
Bearing bore diameter 57.15 - 57.17 mm (2.250 - 2.251 in.)
Bearing-to-crankshaft clearance
Desired 0.025 - 0.035 mm (0.001 - 0.0014 in.)
Allowable 0.020 - 0.066 mm (0.00086 - 0.0027 in.)
Side clearance (assembled to crank)
Standard 0.15 - 0.35 mm (0.006 - 0.014 in.)
Service limit 0.36 mm (0.014 in.) maximum
Main Bearing Cap bolts
Crankshaft Damper bolt 145 Nm (107 ft. lbs.)
Connecting rod cap nuts 35 Nm (26 ft. lbs.)