Parts Diagram | ## | Part # | Description | Qty | Notes |
![Mercury Force 90 H.P. 1991-1992 Tilt Cylinder / Motor / Pump Design I parts diagram](http://www.selffixer.com/parts/outboard.motors/mercury/images/sm.mercury-force-90-h-p-1991-1992-parts.tilt-cylinder-motor-pump-design-i-35.jpg) | 1 | F694541-2 | Pump/motor assembly | 1 | discontinued |
2 | 820545 | Motor/reservoir assembly | 1 | discontinued |
3 | 820545 | Head assembly | 1 | discontinued, replaces F17624 |
4 | 392-8989 | Brush kit | 1 | |
5 | 392-2529 | Spring set | 1 | |
6 | 820549 | Thru bolt assembly, with seals | 1 | discontinued |
7 | 392-8992 | O-ring | 2 | discontinued |
8 | 820545 | Armature | 1 | discontinued, replaces 820546 |
9 | 820545 | Reservoir/bracket assembly | 1 | discontinued, replaces F17625 |
10 | 820547 | Bearing and retainer kit | 1 | discontinued |
11 | 820548 | Seal kit, armature shaft | 1 | discontinued |
12 | 820550 | Body/case assembly, valve | 1 | discontinued |
13 | 392-2525 | O-ring, 3.125 | 1 | discontinued |
14 | F17518 | Cap, filler | 1 | discontinued |
15 | 25-62702 | O-ring, .301 x .070 | 1 | |
16 | 819108F | Cylinder assembly, tilt painted | 1 | limited availability |
17 | 819365A2 | Rod assembly | 1 | discontinued limited availability, replaces F2A654017 |
18 | 23-F178344 | Bushing | 1 | limited availability |
19 | higherasy | Head assembly | 1 | replaces FA654055 |
20 | 25-F654618 | O-ring | 1 | |
21 | higherasy | Piston assembly | 1 | replaces FA654015 |
22 | 25-F654984 | O-ring | 1 | |
23 | F2A654983 | Band assembly, tilt cylinder | 1 | |