1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 54Get this manual
OUTBOARD INSTALLATION
THROTTLE LINK ROD INSTALLATION 1Adjust throttle link rod to length of 21.6 cm (8.5 in as measured between ball joint centerlines2Install throttle link rod between ball joint of throttle control lever and ball joint of actuating lever21.6 cm (8.5 in
aThrottle link rod [21.6 cm (8.5 in]Throttle control leverActuating lever
Remote Wiring Harness Connection to Engine