Crankshaft Main Bearing

Crankshaft Main Bearing Fasteners
Replace the fasteners








Thrust bearing screws, lower to upper crankcase
M11
First pass 30 Nm (22 ftlb.)
Final pass Tighten 90°
M10
First pass 22 Nm (16 ftlb.)
Final pass Tighten 60°
M8 X 70 cross bolts
First pass 10 Nm (7.5 ftlb.)
Final pass Tighten 90°
M8 X 35 23 Nm (17 ftlb.)
M8 X 50 23 Nm (17 ftlb.)

Crankshaft Main Bearing Classification (Four Types)





9 - Classification
Y Yellow
B Blue
R Red
N Green

Example: YYYYYBBBB; 5 main shaft bearings with yellow marking, 4 double (8) connecting rod bearings with blue marking) => For numbering, see A

A - Direction of travel (main bearing 1 is the first in direction of travel against output)