1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 48Get this manual
Synchronization and Linkage Adjustments 40RP, 45, and 55 Comm
INote You
must perform this step-by-step procedure exactly as written to ensure consistent engine idling and smooth operation throughout the RPM range
Preliminary Adjustments
1Remove throttle cable bracket mounting screw and washer
2Check length of the spark control rod should be: 40RP,45,55
, measuring
between centers of the two socketsLength
4-Amp System
2 in (50 mml
3If adjustment is required, use gentle prying motion to remove the forward spark control rod socket from spark leverRotate forward socket to achieve dimension in chartConnect socket to the spark lever