1973 merc 115 control cable adjustment

[mark47]

i have a 1973 merc , my trotle controls have alot of slack in them . how do i adjust them . when i put it in gear it takes more than half the distrence before it picks up . there is a dead space from just after i put it in gear till about 3 ockock "nutral is 12 oclock" is it at the controls or the cable or at the motor ,though i dont think its at the motor because the dist. dosnt move till it hits 3oclock, i thought i could adjust it at the controls but i couldnt see any adjust when i took them apart , my controls have a warm up bar that doesnt kick in till half way either . PLEASE HELP!!!!!!

[boats.net]

No there are no adjustments in control box. It may have worn bushings or other parts. The only adjustments is the shift and throttle cables at engine.