locate the center of the pin ,can be done visually
Drill in 3/8 ths of an inch with a #3 drill bit for 1/4 x 28 thread and tap .
using a 3/64 drill bit CAREFULLY drill approx. 3/4 to 1 inch into the housing until the magnet picks up steel shavings.STOP DRILLING. Install grease fitting.inject grease until you see it between the steering yoke and transom.
Your now done.
another measuring device is to use a 5/16 ths hex nut
