1997 Johnson Evinrude "EU" Accessories Service Manual, P/N 507270, Page 180Get this manual
1 Spool Valve Shimming
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procedure must be performed if the spool valve, housing, or seals have been replacedThis procedure can be performed without removing the power steering cylinder from the engine
rn 1Place two washers on spool valve and tighten locknut securely25505
2Measure length ofthe spool valve between the washers and the clevis flange with caliperWrite down and label this measurement as dimension 3Measure the length of the valve bodyWrite down and label this measurement as dimension
4To find the nominal side gapsubtract dimension from dimensionand divide by two: