Crankshaft Main Bearing
CrankshaftMain bearing journal diameter- Standard size 80.9873-81.0127 mm (3.188-3.150 in)
Main bearing journal diameter- 0.254 (0.010 in) undersize mm 80.7333-80.7587 mm (3.178-3.140 in)
Main bearing journal diameter- 0.508 mm (0.020 in) undersize 80.4793-80.5047 mm (3.168-3.130 in)
Main bearing journal diameter- 0.762 mm (0.030 in) undersize 80.2253-80.2507 mm (3.158-3.120 in)
Main bearing journal-to-cylinder block clearance 0.020-0.086 mm (0.008-0.0034 in)
Crankcase Main Bearing 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 the lower crankcase. Install all 20 lower crankcase main bearing mounting bolts. Tighten the mounting bolts in three stages in the sequence shown.
Stage 1: Tighten to 122 Nm (90 ft. lbs.).
Stage 2: Tighten again to 163 Nm (120 ft. lbs.).
Stage 3: Tighten to 231 Nm (170 ft. lbs.).
Install eight M8 x 30 bolts around the outside of the lower crankcase.
Tighten bolts to 31 Nm (23 ft. lbs.) in the sequence shown.