1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 365Get this manual
3While pushing the engine throttle lever towards stop, turn the idle adjustment screw: clockwise to raise idle speedcounterclockwise to lower idle speedIf the idle speed is still inconsistent, stop the engine and refer to Engine Synchronization and Adjustments, in Section 19 1547
4Stop the engineInstall the remote control cables as described in Installation of Remote Control Cables on EngineFast idle lever must be in "Run" or latched position before shiftingRaising the fast idle lever locks the control handle in "Neutral" to prevent accidental shifting during warm -upIf the control handle is forced against the lock, control assembly can be damaged