1990 Johnson Evinrude "ES" 60 thru 70 Service Repair Manual, P/N 507873, Page 274Get this manual
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Trouble Check Chart 1 Tilt only leakdown Trim-up relief valve Manual release valve Tilt piston or seals Tilt check valve Oil lines
2 Tilt and trim leakdown Trim pistons or seals Trim cyli