1990 Johnson Evinrude "ES" 60 thru 70 Service Repair Manual, P/N 507873, Page 34Get this manual

1990 Johnson Evinrude "ES" 60 thru 70 Service Repair Manual, P/N 507873, Page 34

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Tune-Up Procedure 1 Visually inspect engine for leaks, missing or loose parts, or other obvious defects

IF the engine has equal compression and runs normally, continue the tune-up procedu