mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Crankshaft Main Bearing Seal|Service and Repair|Page 2101 > < Crankshaft Main Bearing Seal|Service and Repair
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1. Clean and inspect the crankshaft rear oil seal sealing surfaces. 
2. Lubricate the crankshaft flange, crankshaft rear oil seal bore, and the oil seal lip.

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Use Engine assembly lubricant.

3. NOTE:  Alternate bolt tightening to correctly seat the crankshaft rear oil seal until it is flush with the cylinder block.

Using special tools, install the crankshaft real oil seal.

4. Install the flywheel. 

Crankshaft Main Bearing Seal|Service and Repair|Page 2101 > < Crankshaft Main Bearing Seal|Service and Repair