1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 291Get this manual
3 DR3733
3Compare your test results to the values listed in the Performance Chart for your specific motor style4As you interpret your test results, there are three basic possibilities Low Current Drawcheck for:
aLeaking valves bWeak relief valve springs cDamaged pump dLeaking O-rings
High Current Drawcheck for:
aPump Binding bMotor binding cSticking valves dDamaged relief valve springs