1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 12Get this manual
Service Policy When servicing an outboard which is within its normal warranty period, make repairs using only genuine ONIC replacement components or partsIf ONIC genuine replacement components or parts are not used, OMC might refuse subsequent warranty claims involving that engine
When replacement parts are required, use genuine ONIC parts or parts with equivalent characteristics, including type, strength, and materialFailure to do so may result in product malfunction and possible injury to the operator andor passengers