1969 Johnson 115 HP Outboards Service Repair Manual P/N JM-6911, Page 53Get this manual
Quality of the image is intentionally reduced!
5-10 polished to dull lusterSee Figure 5-23 Finish surfacing with No180 emery clothNOTE Cylinder block and crankcase must completely cleanforeign matter prior to reassemblyUse Solvasol for cleaningDO