Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 176Get this manual
INSTALLATION
1Place coat ing of Quicksilver 2-4-C Marine Lubricant on the upper trim cylinder pin Hold trim cyli nder in place and insert the pin2Install pin through upper end of tri cylinder and through the cylinder pin
a Pivot Pin (One Each Side)516 18 BoltWasher (One Each Side)
5In sta ll the cover plates to retain pins in place
3Align lower pin holes of trim cyli nder with holes in eng ine clamp bracketin stall sp ring into ho les and