Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 49Get this manual
4Check throttle cable adjustment as follows: aShift outboard into gear few times to activate the throttle linkageMake sure to rotate the propeller shaft while shifting into reverse Front Clamp and Cowl Reassembly
1Fasten the clamp over the wiring, hoses, and cables as shown
bReturn remote control to neutralPlace thin piece of paper between idle adjustment screw and idle stopAdjustment is correct when the paper can be removed without tearing, but has some drag on itReadjust cable barrel if necessaryIMPORTANT: The idle stop screw must be touching the stopa