1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 131Get this manual
Crankshaft Assembly (Continued) TORQUE REFNO1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 QUAN1 29 Crankshaft Upper Main Bearing O-Ring Seal Key-Flywheel Connecting Rod Connecting Rod Cap Piston Pin Needle Bearings Needle Bearing Locating Rings Piston Piston RingsEach Piston Pin Piston Pin Retainer RingsEach Rod Bearing Assembly Center Main Bearings(32 Each Main) Retaining RingCenter Mains Bearing Race(1 Set Each) Crankshaft Sealing Rings, Metal (2 Each Main) Key-Gear Gear Lower Main Ball Bearing Retaining Ring (If Equipped) Seal Carrier Assembly Crankshaft Seal WearSleeve O-Ring Crankshaft Seal Upper Main Bearing Seal Flat Washer Flywheel Nut Rod Bolt 120 162.7