1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 177Get this manual
789 1-.L-38158 42013
rn 8Inspect valves attention to the valveexcessive replaceor for contamination, wear, seat face, if damagePay particular
pittedValve stems that show excessive wear or are warped should be replaced
9Push on compression relief pinPin should move smoothly with very little pressureIf pin sticks or requires significant effort to move, check for cause and repair or replace as necessary
[] 10Use micrometer to measure the camshaft lobesRefer to Engine Specifications, Section 1, for dimensions
11Inspect rocker arms for contamination, excessive wear, or damageSome wear to the face of the rocker arm is normalReplace if wear is severe enough to show porosity (pitting) on the face
[!Q] Important [!!] [J1]
12Use micrometer to measure the diameter of each crankpin and main bearing journalRefer to Engine Specifications, Section 1, for dimensions13Use telescoping gauge or inside reading micrometer to inspect each cylinder bore for an out-of-round, oversize, or tapered conditionBe sure the gauge or micrometer is perfectly square in the bore when measuring