Parts Diagram | ## | Part # | Description | Qty | Notes |
![Mercury Force 25 H.P. 1997 Cylinder Block Assembly parts diagram](/parts/outboard.motors/mercury/images/sm.mercury-force-25-h-p-1997-parts-2.cylinder-block-assembly-7.jpg) | - | 800-819240A6 | Powerhead assembly painted | 1 | discontinued, replaces 800-819240A3 |
1 | 800-819240A5 | Cylinder assembly painted | 1 | discontinued 28, replaces 800-819240A2 |
2 | 10-92160 | Screw .250-20 x .750 | 11 | |
3 | 12-29245 | Washer | 11 | |
4 | 10-54523 | Screw .312-18 x 1.00 | 6 | |
5 | 12-20084 | Washer | 6 | |
6 | 17-F8559 | Pin-dowel | 2 | |
7 | 32-819243 | Tube-water jacket | 1 | discontinued |
8 | 21-426585 | Check valve | 1 | replaces 21-42658 |
9 | 32-892024122 | Tubing 20.0 ft. bulk - cut 2 PCS-15.00 in. - cut 1 PC-12.058 in | 1 | replaces 32-99130122 |
10 | 16-F286440 | Stud .312-24 x 1.250 | 1 | discontinued |
11 | 16-826590 | Stud .250-20 x 1.690 with dri loc | 1 | discontinued |
12 | 834753 | Bracket-throttle stop | 1 | discontinued |
13 | 27-809516A1 | Gasket set | 1 | discontinued |
14 | 22-887801 | Elbow-tell tale tubing | 1 | replaces 22-88780 |
15 | 32-5495025 | Tubing 7.00 in. -tell tale | 1 | replaces 32-549507 |
16 | 27-819140 | Gasket-exhaust cover | 2 | discontinued 27, 28 |
17 | 819152 | Plate-exhaust | 1 | discontinued 28 |
18 | 1000-819136T1 | Cover-exhaust painted | 1 | discontinued 28, replaces 1000-819136T |
19 | 10-819110125 | Screw .250-20 x 1.250 | 14 | replaces 10-F1581 |
20 | 10-F2040 | Screw .250-20 x .625 -ground wire | 1 | discontinued |
21 | 27-819498 | Gasket-cylinder mount | 1 | discontinued 27, 28 |
22 | 819157T1 | Tube-exhaust | 1 | discontinued |
23 | 12-29245 | Washer | 3 | |
24 | 13-26992 | Lock washer .250 | 3 | |
25 | 10-90192 | Screw .250-20 x .750 | 3 | |
26 | 1000-819137T1 | Cover assembly-transfer port painted | 1 | discontinued 28, replaces 1000-819137T |
27 | 22-15133 | Elbow | 3 | |
28 | 16-F681134 | Stud-interlock lever | 1 | discontinued |
29 | 10-90192 | Screw .250-20 x .750 -washer head | 1 | |
30 | 12-28927 | Washer | 1 | limited availability 28 |
31 | 10-F1535 | Screw .250-20 x .750 -hex head | 7 | discontinued 28 |
32 | 27-819143 | Gasket-transfer port cover | 1 | discontinued 27, 28 |
33 | 12-814806 | Washer | 8 | |
34 | 10-F1882 | Screw .312-18 x 2.125 | 10 | discontinued 28 |
35 | 27-8191382 | Gasket-cylinder head | 1 | |
36 | 900-819145T2 | Head-cylinder painted | 1 | discontinued 28, replaces 900-819145T1 |
37 | 27-8191391 | Gasket-cylinder head cover | 1 | discontinued 27, 28 |
38 | 819134T | Cover-cylinder head painted | 1 | discontinued 28 |
39 | 12-F658504 | Washer-thermostat | 1 | |
40 | F970682 | Thermostat 130 deg | 1 | |
41 | 24-819161 | Spring-thermostat | 1 | discontinued 28 |
42 | 819439T | Cover-thermostat | 1 | discontinued 28 |
- | 800-819240A6 | Powerhead assembly | - | discontinued, replaces 800-819240A3 |