1975 Evinrude 2HP Model 2502 Full Factory Service Repair Manual P/N 5087, Page 29Get this manual

1975 Evinrude 2HP Model 2502 Full Factory Service Repair Manual P/N 5087, Page 29

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Figure 4-5 Ground Wire and Armature Plate Screw CLEANING,
result Figure 4-8 Checking Spark Plug

Before installing the plug, sure the plug seat in the cylinder head is clean ad free