Between cylinders one and two the crankshaft has two thrust bearings fitted to the
upper crankcase. Note their position and orientation for installation.
Note the two cut outs on one face of the thrust bearings must face the crankshaft
when fitted.
6. Collect the two thrust bearings from the upper crankcase.
1. Thrust bearings
2. Cut outs
Perform the following operations:
Do not mark any bearing shells with marker paint or anything similar.
To prevent the bearing shells from becoming mixed, place the bearing shells into a
individually marked containers. The bearing shells must be refitted in their original
positions.
• Identify the location of each bearing shell
• Remove all bearings and inspect for damage, wear, overheating (blue discolouration)
and any other signs of deterioration. Replace the bearings as a set if necessary (see
Crankshaft Main Bearing/Journal Checking, Measuring and Bearing Selection).
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