Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 493Get this manual
THROTTLEISHIFT LINKAGE
4Adjust the th rottle cable barrel until 116 in (1.6 mm) gap exists between the oval shaped boss and the cam(1.6 mm)
- Throttle Cable Retainer PinThrottle Cable BarrelOval Shaped BossCam