1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 43Get this manual
1 DR5123
Synchronization and Linkage Adjustments 40, 48, and 50 Models
You must perform this step-by-step procedure exactly as written to ensure consistent engine idling and smooth operation throughout the RPM range
[!] 1Remove throttle cable from throttle lever
2Check length of the spark control rodmeasuring between centers of the two socketsLength should be:
250; 40R, BA; 48 40E, TE, TL, TTL 50BE, TE, TL,JE
4-Amp System 12-Amp System