Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 319Get this manual
POWER TRIM
O-ring Description and Sizes
i CylCapInner ICylCap "I Boll ,viPlug
O-Ring Width
0.671 in(17.04 mm) 0.949 in(24.10 mm) 0.139 in1.864 in(47.34 mm) 2.004 in(50.90 mm) 0.07 in(1.78 mm) 1.6 in(40.64 mm) 2.02 in(53.086 mm) 0.21 in(5.334 mm) 0.676 in(1717 mm) .816 in(20.726 mm) 0.07 in(1.78 mm) 0.549 in(13.94 mm) 0.755 in(1917 mm) 0.103 in(2.616 0.489 in(12.42 mm) 0.629 in(15.97 mm) 0.07
Motor Seal
P.OCheck Plug Poppel AssyP.OCheck Seat Pump Port
10 (2) 11 (2) 12 13
0.364 in(9.25 mm) 0.239 in(6.07 mm)
0.504 in(12.80 mm) 10.07 in(1.78 mm) 0.379 in(9.626 mm) 10.07 in(178 mm)