1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 270Get this manual
THROTTLESHIFT LINKAGE (TILLER HANDLE SHIFT MODELS)
Horizontal Shift Shaft
ReassemblyInstallation
1Install horizontal shift shaftshift lever assembly into opening in STARBOARD side of crankcase cover2Apply 2-4-C with Teflon to detent of yoke and install yoke onto shift shaft