1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 48Get this manual
SparkThrottle Pickup Point
1Slowly reduce throttle with the twist grip to the SLOW position until the throttle shaft completely closes throttle plates
2Remove anchor block cover screw and remove the coverLoosen the throttle cable far enough to allow cable adjustment3Adjust the throttle cable until there is 0.030 in(0,7 mm) between carburetor throttle cam and its roller
rn 4Verify that the spark lever screw is still loosern 5With the rearward.running, move the spark lever and engine not throttle linkage