Crankshaft Main Bearing
CrankshaftMain 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)
Connecting rod journal diameter
Standard size 68.99 to 69.01 mm (2.716 to 2.717 inch)
0.254 mm (0.010 inch) under size 68.73 to 68.75 mm (2.706 to 2.707 inch)
0.508 mm (0.020 inch) under size 68.48 to 68.50 mm (2.696 to 2.697 inch)
0.762 mm (0.030 inch) under size 68.23 to 68.25 mm (2.686 to 2.687 inch)
Crankshaft maximum end play 0.222 mm (0.0087 inch
Lower bearings into the lower crankcase.
Install the lower crankcase. Install all 20 lower crankcase main bearing mounting bolts. Tighten the mounting bolts in the following sequence.
1 Tighten bolts to 149 Nm (110 ft. lbs.) in numerical sequence.
2 Tighten bolts again to 176 Nm (130 ft. lbs.) in numerical sequence.
3 Tighten bolts to 231 Nm (170 ft. lbs.) in the numerical sequence.
Install eight M8 x 30 bolts around the outside of the lower crankcase. Tighten bolts to the special torque using the sequence shown.