System Specifications
Cylinder blockCylinder bore diameter 94.999-95.001 mm (3.7401-3.7402 inch)
Cylinder bore maximum taper 0.076 mm (0.003 inch)
Cylinder bore maximum out-of-round 0.05 mm (0.002 inch)
Main bearing bore inside diameter 85.99-86.01 mm (3.3854-3.3862 inch)
Crankshaft
Main bearing journal diameter-Standard size 80.9873-81.0127 mm (3.188-3.150 inch)
Main bearing journal diameter-0.254 mm (0.010 inch) undersize 80.7333-80.7587 mm (3.178-3.140 inch)
Main bearing journal diameter-0.508 mm (0.020 inch) undersize 80.4793-80.5047 mm (3.168-3.130 inch)
Main bearing journal diameter-0.762 mm (0.030 inch) undersize 80.2253-80.2507 mm (3.158-3.120 inch)
Piston
Piston diameter-Standard size 94.9460-94.9186 mm (3.737-3.738 inch)
Piston diameter-0.254 mm (0.010 inch) oversize 95.1738-95.1992 mm (3.747-3.748 inch)
Piston diameter-0.508 mm (0.020 inch) oversize 95.4278-95.4532 mm (3.757-3.758 inch)
Piston diameter-0.762 mm (0.030 inch) oversize 95.6818-95.7072 mm (3.767-3.768 inch)
Piston-to-cylinder bore clearance 0.0441-0.0909 mm (0.0017-0.0036 inch)
Piston height above crankcase deck (protrusion) 0.900 mm (0.0354 inch)
Piston cooling jet mounting bolts 13 Nm (10 ft. lbs.)
Piston ring end gap-top compression 0.29-0.55 mm (0.011-0.021 inch) Piston ring end gap-intermediate compression 1.40-1.66 mm (0.055-0.065 inch)
Piston ring end gap-oil control 0.24-0.50 mm (0.009-0.019 inch)
Piston ring groove width (measured over 2.03 mm (0.08 inch) gauge pins) Upper limit-94.030 mm (3.702 inch)
Piston ring groove width (measured over 2.03 mm (0.08 inch) gauge pins) Replacement limit-093.854 mm (3.695 inch)
Piston ring width
Piston ring-to-groove clearance
Crankshaft vibration damper and bolts.
Tighten the bolts in the sequence shown.
Tighten the bolts to 68 Nm (50 ft. lbs.).
Tighten the bolts additional 90 degrees.
Lower crankcase main bearing cap bolts
CAUTION: To prevent engine damage, make sure that the longer main cap bolts (M14 x 2 x 127) are installed inboard and the shorter bolts (M14 x 2 x 114) are installed outboard.
Install all 20 lower crankcase main bearing mounting bolts.
Tighten the mounting bolts in this sequence.
Tighten bolts to 149 Nm (110 ft. lbs.) in numerical sequence.
Tighten bolts again to 176 Nm (130 ft. lbs.) in numerical sequence.
Tighten bolts to 231 Nm (170 ft. lbs.) in numerical sequence.
Lower crankcase outer bolts (M8 x 30) 24 Nm (18 ft. lbs.)
Install eight M8 x 30 bolts around the outside of the lower crankcase.
Tighten bolts to the special torque using the sequence shown.