Mercury 250_275 (0C101891 AND UP) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments

Mercury 250/275 Outboard Motor Parts Diagram & Catalog – Free PDF Download

CARBURETOR ASSEMBLY

Below is the parts list for Mercury 250/275 CARBURETOR ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	CARBURETOR (9-1) Comment: 275-WO-9/9A	1387-7785A55
1	CARBURETOR (9-2) Comment: 275-WO-9/9A	1387-7785A56
1	CARBURETOR (9-3) Comment: 275-WO-9/9A	1387-7785A57
1	CARBURETOR (9-4) Comment: 275-WO-9/9A	1387-7785A58
1	CARBURETOR (9-5) Comment: 275-WO-9/9A	1387-7785A59
1	CARBURETOR (9-6) Comment: 275-WO-9/9A	1387-7785A60
1	CARBURETOR (8-1) Comment: 250-WO-8A	1387-7785A61
1	CARBURETOR (8-2) Comment: 250-WO-8A	1387-7785A62
1	CARBURETOR (8-3) Comment: 250-WO-8A	1387-7785A63
1	CARBURETOR (8-4) Comment: 250-WO-8A	1387-7785A64
1	CARBURETOR (8-5) Comment: 250-WO-8A	1387-7785A65
1	CARBURETOR (8-6) Comment: 250-WO-8A	1387-7785A66
2	JET, VENT BOWL (.080-W9-8A)	1395-6201
3	GASKET (#)
4	COVER PLATE	1395-9122
5	SCREW (#)
6	VENTURI (WO-8A)	813274
6	VENTURI (WO-9/9A)	1395-9481
7	FUEL BOWL (WO-8A-1)(WO-9/9A-1/3/5)	1395-9478
7	FUEL BOWL (WO-8A-2/3/4/5/6)(WO-9/9A-2/4/6)	1395-9478
8	SCREW (#)
9	PLUG, MAIN JET	1395-6199
10	GASKET, MAIN JET (#)
11	JET, MAIN FUEL (.078-WO-8A-1/2/3/4/6)	1395-6680
11	JET, MAIN FUEL (.074-WO-8A-5)	1399-3517
11	JET, MAIN FUEL (.088-WO-9/9A-5)	1395-6202
11	JET, MAIN FUEL (.082-WO-9/9A-1/2/3/4/6)	1399-3518
12	GASKET, FUEL BOWL (#)
13	FLOAT	813470	1395-9121
14	FLOAT PIN (#)
15	FLOAT LEVER (#)
16	PIN (#)
17	MAIN NOZZLE (#)
18	INLET NEEDLE AND SEAT	1395-83181
19	GASKET (#)
20	THROTTLE SHAFT (WO-8A-5)(WO-9/9A-5)	1395-9118
20	THROTTLE SHAFT	1395-9117
21	THROTTLE LEVER (QTY. OF 5 ON WO-8A)	814679
21	THROTTLE LEVER (WO-8A-5)	814677
22	SCREW (#)
23	SPRING (#)
24	SPACER (#)
25	THROTTLE VALVE	1395-9480
26	SCREW (#)
27	GASKET	27-886111
28	PLUG, IDLE AIR JET (#)
29	GASKET (#)
30	JET, IDLE (.060-WO-8A/9A)	1395-6487
30	JET, IDLE (.058-WO-9)	1395-7831

CARBURETOR HOSES AND FITTINGS (SERIAL #D000750 AND ABOVE)

Below is the parts list for Mercury 250/275 CARBURETOR HOSES AND FITTINGS (SERIAL #D000750 AND ABOVE):

Position No.	Part Name	OEM Number	Supersedes
1	TERMINAL BLOCK	86-45915
2	SCREW	10-48409
3	SCREW	10-48408
4	THROTTLE CABLE BRACKET	17498A1
5	CUP	39519
6	LATCH	98889
7	DRIVE SCREW	10-42975
8	SCREW	10-81516040
9	J-CLAMP	54-61001
10	TEE FITTING	22-59169003
11	REDUCING TEE (.200 O.D.)	22-130341
12	TEE FITTING (.200 O.D.)	22-13033
13	FITTING	22-8M0181450
14	ELBOW	22-996642
15	FITTING	22-130351
16	HOSE	32-9912688
17	HOSE	32-1430165
18	HOSE	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80
19	STA-STRAP	56762

CARBURETOR PLATE AND REED BLOCK (SERIAL #D000749 AND BELOW)

Below is the parts list for Mercury 250/275 CARBURETOR PLATE AND REED BLOCK (SERIAL #D000749 AND BELOW):

Position No.	Part Name	OEM Number	Supersedes
1	CARBURETOR ASSEMBLY Comment: 275	1387-7785A55
2	CARBURETOR ASSEMBLY Comment: 275	1387-7785A56
3	CARBURETOR ASSEMBLY Comment: 275	1387-7785A57
4	CARBURETOR ASSEMBLY Comment: 275	1387-7785A58
5	CARBURETOR ASSEMBLY Comment: 275	1387-7785A59
6	CARBURETOR ASSEMBLY Comment: 275	1387-7785A60
1	CARBURETOR ASSEMBLY Comment: 250	1387-7785A61
2	CARBURETOR ASSEMBLY Comment: 250	1387-7785A62
3	CARBURETOR ASSEMBLY Comment: 250	1387-7785A63
4	CARBURETOR ASSEMBLY Comment: 250	1387-7785A64
5	CARBURETOR ASSEMBLY Comment: 250	1387-7785A65
6	CARBURETOR ASSEMBLY Comment: 250	1387-7785A66
7	THROTTLE LINK	88586
8	GASKET	27-933531
9	THROTTLE LEVER	895981
10	SCREW	1395-6027
11	CLAMP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
12	FUEL LINES	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
13	ROLLER	67748
14	CLEVIS PIN	17-67297
15	COTTER PIN	18-26953
16	WASHER	12-89302
17	THROTTLE LEVER	88584
18	SCREW	10-22523
19	LOCKWASHER	13-26996
20	WASHER	12-24676
21	THROTTLE LEVER	88585
22	CARBURETOR PLATE (PORT)	882491
23	CARBURETOR PLATE (STARBOARD)	882501
24	SCREW	10-40011149
25	SCREW	10-30720
26	STUD	16-815158	16-90999
27	WASHER	12-4002217
28	NUT	11-401368
29	GASKET (PORT)	27-886252
30	GASKET (STARBOARD)	27-886262
31	ADAPTOR	884293
32	GASKET	27-657443
33	REED BLOCK Comment: (INCLUDES REEDS/REED STOPS & SCREWS)	855952T3
34	STUD	16-20500
35	NUT	11-35888
36	SCREW	10-28635
37	SCREW	10-20540

CARBURETOR PLATE AND REED BLOCK (SERIAL #D000750 AND ABOVE)

Below is the parts list for Mercury 250/275 CARBURETOR PLATE AND REED BLOCK (SERIAL #D000750 AND ABOVE):

Position No.	Part Name	OEM Number	Supersedes
1	CARBURETOR PLATE (PORT)	882492
2	GASKET (PORT)	27-886252
3	CARBURETOR PLATE (STARBOARD)	882502
4	GASKET (STARBOARD)	27-886262
5	STUD	16-20500
6	NUT	11-35888
7	ADAPTOR	884293
8	GASKET	27-657443
9	REED BLOCK Comment: (INCLUDES REEDS/REED STOP & SCREWS)	855952T3
10	SCREW	10-20540
11	SCREW	10-30720
12	SCREW	10-28635
13	SCREW	10-40011149
14	STUD	16-815158	16-90999
15	WASHER	12-4002217
16	NUT	11-401368
17	GASKET	27-933531
18	THROTTLE LINK	88586
19	THROTTLE LEVER	895981
20	SCREW	1395-6027
21	ROLLER	67748
22	THROTTLE LEVER	88585
23	CLEVIS PIN	17-67297
24	COTTER PIN	18-26953
25	WASHER	12-89302
26	THROTTLE LEVER	88584
27	SCREW	10-15124
28	LOCKWASHER	13-26996
29	WASHER	12-24676
30	HOSE	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
31	FITTING	22-16961
32	TEE	22-817518
33	HOSE	32-9912688
34	SOLENOID VALVE	42859A2
35	CLAMP	54-633001
36	SCREW	10-28635
37	LOCKWASHER	13-26992
38	NUT	11-64015
39	HOSE	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80
40	FUEL FILTER	35-816296Q2
41	CLAMP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
-	COMPONENT OF GASKET SET	27-88605A89

COWLS AND FRONT COVER

Below is the parts list for Mercury 250/275 COWLS AND FRONT COVER:

Position No.	Part Name	OEM Number
1	COWL ASSEMBLY (PORT) (BLACK)	2179-7606A3
1	COWL ASSEMBLY (PORT) (GRAY)	2179-7606A7
1	COWL ASSEMBLY (PORT) (SILVER)	2179-7606A8
2	SEAL	88354
3	PAD	67258
4	SOUND BLANKET	91837
5	COWL SEAL	150882
6	BRACKET-UPPER	88351
7	BRACKET-LOWER	88350
8	SCREW	10-4000355
9	SHIELD	88477
10	SCREW	10-48409
11	COWL LATCH	16859A2
12	HOOK	30413
13	RIVET	17-98026
14	BRACKET ASSEMBLY	15417A1
15	COWL ASSEMBLY (STARBOARD) (BLACK)	2180-7607A2
15	COWL ASSEMBLY (STARBOARD) (GRAY)	2180-7607A3
15	COWL ASSEMBLY (STARBOARD) (SILVER)	2180-7607A4
16	SEAL	88359
17	SOUND BLANKET	92015
18	STARTER ROPE (FOR MANUAL STARTING)	47341A11
19	FRONT COVER ASSEMBLY (BLACK)	2181-7613A5
19	FRONT COVER ASSEMBLY (GRAY)	2181-7613A6
20	SOUND BLANKET	164581
21	HOOK	61158T
22	SCREW	10-75162
19	FRONT COVER ASSEMBLY (SILVER)	2181-7613A7

CRANKSHAFT, PISTONS AND CONNECTING RODS

Below is the parts list for Mercury 250/275 CRANKSHAFT, PISTONS AND CONNECTING RODS:

Position No.	Part Name	OEM Number	Supersedes
1	CRANKSHAFT ASSEMBLY	467-8784A1
2	BALL BEARING (LOWER)	30-88268T
3	RETAINING RING	53-89531
4	SEAL	89938
5	SEAT	89939
6	RING	882611
7	BEARING RACE	31-88270T
8	ROLLER BEARING	31-88269T
9	PISTON (STARBOARD) Comment: NO CASTING #	782-9530A3
9	PISTON (PORT) Comment: NO CASTING #	782-9531A3
9	PISTON (STARBOARD_CASTING #797-816879)	797-816879A1
9	PISTON (PORT-CASTING #796-816878)	796-816878A1
10	PISTON RING SET	39-18282A12
11	LOCK RING	53-8320811
12	CONNECTING ROD ASSEMBLY	631-8185A10
13	SCREW	10-94320
14	ROLLER BEARING ASSEMBLY	31-43012A2
15	WASHER	12-88263
16	NEEDLE BEARING	29-8M0204715
17	KEY	28-91800
18	BEARING ASSEMBLY (W/O FITTING)	31-814409A1
18	BEARING ASSEMBLY (WITH FITTING)	31-816773A1
19	OIL SEAL	26-41953
20	DRIVER GEAR	43-410811
21	O-RING	25-823683	25-64067
22	WASHER	12-33001
23	NUT	11-52901

CYLINDER BLOCK AND END CAPS

Below is the parts list for Mercury 250/275 CYLINDER BLOCK AND END CAPS:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER BLOCK ASSEMBLY (250)	880-9550A14
1	CYLINDER BLOCK ASSEMBLY (275)	880-9550A33
2	SCREW (2")	10-815549	10-25503, 10-77065
3	CHECK VALVE	21-428641
4	CHECK VALVE	21-42657A3
5	STUD	16-815159	16-91004
6	DOWEL PIN	17-40120110
7	DOWEL PIN (BEARING RACE )	17-8M0036405	17-67296
8	GASKET	27-53862
9	STUD (162 MM)	16-14137
10	STUD(110 MM)	16-14136
11	STUD (60 MM)	16-910001
12	LOCKWASHER	13-400248
13	NUT	11-90517
14	SCREW (90 MM)	10-81516290
15	SCREW (170 MM)	10-815162170	10-93724
16	SCREW (105 MM )	10-815162105	10-91006
17	TERMINAL BLOCK Comment: OLD DESIGN	86-194373
18	SCREW Comment: OLD DESIGN	56-8M0206596
19	WASHER Comment: OLD DESIGN	12-8M0204649
20	CLIP	54-814008
21	WASHER (INSIDE)	12-4002319
22	LOCKWASHER	13-400258
23	NUT	11-40114
24	SCREW	10-62568
25	BRACKET(FRONT)	887821
26	SCREW	10-40062127
27	FITTING (PRESS-IN)(OLD DESIGN)	22-56759
28	SCREW (35 MM)	10-81516235
29	TUBING	32-9912688
30	J-CLAMP	54-22627
31	SCREW	10-48408
32	C-WASHER	8M0084613	69205
33	CHECK VALVE	21-426233
34	CLAMP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
35	FITTING (PRESS-IN)	22-15133
36	BRACKET	96839
37	SCREW	10-40010127
38	LOCKWASHER	13-26992
39	SCREW	10-78841
40	WASHER	12-8M0042642	12-70132
41	NUT	11-82670911
42	LOWR END CAP ASSEMBLY	1166-8792A1
43	OIL SEAL	26-54815
44	O-RING	25-88955
45	SCREW	10-40011149
46	HOSE (4-1/4")	32-9912688
47	CAP NUT (OLD DESIGN)	11-813938
48	ELBOW	22-15133
49	HOSE	32-892024122	32-99130122
50	CHECK VALVE	21-149126

DRIVE SHAFT HOUSING AND EXHAUST TUBE

Below is the parts list for Mercury 250/275 DRIVE SHAFT HOUSING AND EXHAUST TUBE:

Position No.	Part Name	OEM Number	Supersedes
1	DRIVE SHAFT HOUSING (LONG) (BLACK)	1594-8437A2
1	DRIVE SHAFT HOUSING (X-LONG) (BLACK)	1594-9099A2
1	DRIVE SHAFT HOUSING (XX-LONG) (BLACK)	1594-9673A3
1	DRIVE SHAFT HOUSING (LONG) (GRAY)	1594-8437A3
1	DRIVE SHAFT HOUSING (X-LONG) (GRAY)	1594-9099A3
1	DRIVE SHAFT HOUSING (XX-LONG) (GRAY)	1594-9673A4
2	STUD (2-3/16")	16-8M0034453	16-57933
3	STUD (2-3/8")	16-57984
4	SCREW	10-54493
5	WASHER	12-45176
6	NUT	11-8M0204653
7	STRAP (BLACK)	88758T
7	STRAP (GRAY)	88758T6
8	SCREW	10-67769
9	NUT	11-25269
10	GROUND WIRE ASSEMBLY	88238A10
11	SCREW	10-41508
12	MOUNT	77327
13	BUMPER	25067
14	SCREW	10-96853
15	GROUND WIRE ASSEMBLY	88238A10
16	WASHER	12-49339
17	NUT	11-25096
18	CLAMP	54-8M0036782	54-67076
19	SCREW	10-82127335
20	LOCKWASHER	13-400247
21	COVER (BLACK)	100-8M4500752	8M0001130, 67077T
21	COVER (GRAY)	67077F1
22	SCREW (5/8")	10-88417
23	NUT	11-35521
24	DOWEL PIN	17-20433
25	EXHAUST TUBE	888874
26	SEAL	88883
27	GROMMET	25-89417
28	WATER TUBE (LONG)	32-88884
28	WATER TUBE (X-LONG)	32-89098
28	WATER TUBE (XX-LONG)	32-96128
29	SEAL	26-89419

DUAL ENGINE EXTENSION KIT (COUNTER ROTATION DESIGN I)

Below is the parts list for Mercury 250/275 DUAL ENGINE EXTENSION KIT (COUNTER ROTATION DESIGN I):

Position No.	Part Name	OEM Number	Supersedes
-	DUAL ENGINE EXTENSION KIT	92876A9
1	SEAL KIT	19624A1
2	TUBE	71565A2
3	MOUNT	41055
4	TAB WASHER	14-42100
5	JAM NUT	11-8M0041651	11-37984
6	TAB WASHER	88404
7	SCREW	10-38601
8	BRACKET	17729A1
9	SCREW	10-62055
10	TAB WASHER	17728
11	SCREW	10-849838	10-14000
12	NUT	11-8M0204726
13	STEERING EYE	97933A1
14	SLEEVE	23-23651
15	TUBING	97931
16	TUBE	8M0026098	814951 3
17	JAM NUT	11-42099

DUAL ENGINE EXTENSION KIT (COUNTER ROTATION DESIGN II)

Below is the parts list for Mercury 250/275 DUAL ENGINE EXTENSION KIT (COUNTER ROTATION DESIGN II):

Position No.	Part Name	OEM Number	Supersedes
-	DUAL ENGINE EXTENSION KIT (W/15" COUPLER)	92876A9
-	DUAL ENGINE EXTENSION KIT (W/18" COUPLER)	824891A1
1	O-RING	25-48462
2	TUBE, CABLE GUIDE	71565A2
3	MOUNT	41055
4	TAB WASHER	14-42100
5	JAM NUT	11-8M0041651	11-37984
6	TAB WASHER	88404
7	SCREW	10-38601
8	BRACKET	17729A1
9	SCREW	10-62055
10	TAB WASHER	17728
11	SCREW	10-849838	10-14000
12	NUT	11-8M0204726
13	STEERING EYE	8M0026167	8M0005848, 97933 1
14	SLEEVE	23-23651
15	TUBING	97931
16	COUPLER (15")	8M0026098	814951 3
16	COUPLER (18")	8149514
17	JAM NUT	11-42099
18	COUPLING	22-821169
19	WASHER	12-34931
20	SCREW	10-94319
-	RELIEF VALVE REPAIR KIT	812501A1
-	OVERHAUL REPAIR KIT	99073A2

ENRICHNER VALVE AND HOSES (SERIAL #D000749 AND BELOW)

Below is the parts list for Mercury 250/275 ENRICHNER VALVE AND HOSES (SERIAL #D000749 AND BELOW):

Position No.	Part Name	OEM Number	Supersedes
1	FITTING	22-8M0181450
2	HOSE	32-1430165
3	TEE FITTING (.200 O.D.)	22-13033
4	TEE FITTING (.200 O.D.)	22-130341
5	TEE FITTING (.131 O.D.)	22-130342
6	CLAMP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
7	HOSE (.077 I.D.)	32-9938779
8	HOSE	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
9	HOSE	32-892024122	32-99130122
10	FITTING	22-59169003
11	TEE FITTING	22-59169003
12	J-CLAMP	54-61001
13	BRACKET	17498A1
14	SCREW	10-48408
15	C-WASHER	8M0084613	69205
16	CLIP	54-22627
17	SCREW	10-81516040
18	ENRICHNER VALVE	42859A2
19	CLAMP	54-633001
20	HOSE (.125 I.D.)	32-9912688
21	BRACKET	93573
22	SCREW	10-28635
23	LOCKWASHER	13-26992
24	NUT	11-20890
25	TERMINAL BLOCK	86-45915
26	SCREW (7/16")	10-48409
27	SCREW	10-48408

EXHAUST MANIFOLD AND CYLINDER HEAD

Below is the parts list for Mercury 250/275 EXHAUST MANIFOLD AND CYLINDER HEAD:

Position No.	Part Name	OEM Number	Supersedes
1	BRACKET	88834
2	SCREW (30 MM)	10-81516030
3	STUD (1")	16-8M0034435	16-15093
3	STUD (1.44")	16-69016
4	WASHER (LARGE)	12-8M0204663
5	WASHER (SMALL)	12-22887
6	WING NUT	11-816874	11-73651, 11-816873, 11-90052
7	COVER(SEE DESIGN I DRAWING)	94110A1
7	COVER (SEE DESIGN II DRAWING)	941103
8	GASKET	27-940601
9	SCREW(25 MM)	10-40011149
10	PIPE PLUG	22-38407
11	MOUNT	90435
12	WASHER	12-8M0204649
13	NUT	11-35888
14	CYLINDER HEAD	41020A3
15	SEAL	88251
16	O-RING	25-88923
17	SCREW (80 MM)	10-81742780
17	SCREW (50 MM)	10-81516050
18	CLAMP	54-47483
19	THERMOSTAT (120)	14586
20	GASKET	27-8M0204714
21	COVER	90390A1
22	SCREW (1-1/4")	10-74824
23	FITTING	22-687271
24	HOSE	32-77653101
25	TEE	22-91836
26	CLAMP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
27	HOSE (3")	32-77653101
28	HOSE, TELL TAIL (4")	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
29	FITTING	22-76256
30	TEMPERATURE SENDER	12415
31	PIPE PLUG	22-68307

EXHAUST PLATE

Below is the parts list for Mercury 250/275 EXHAUST PLATE:

Position No.	Part Name	OEM Number	Supersedes
1	EXHAUST PLATE (250)	437692
1	EXHAUST PLATE (275)	43769A3
2	GROMMET	25-64872
3	CARRIER	65848
4	POPPET VALVE	86596
5	SPRING	24-90392
6	GASKET	27-88907003
7	RELIEF VALVE PLATE	65664A1
8	DIAPHRAGM	648771
9	WASHER	12-76451
10	SCREW	10-69570
11	COVER	65663A2
12	SCREW	10-4000354
13	ELBOW	22-687271
14	DOWEL PIN	17-43044
15	SCREW (65 MM)	10-81516265
16	GASKET (UPPER)	27-438771
17	SEAL	88355
18	GASKET (LOWER)	27-438782
19	PLATE	88880A1
20	GASKET	27-890842
21	SCREW	10-4000354
22	LOCKWASHER	13-400247
23	UPPER SHIFT SHAFT (LONG)	968431
23	UPPER SHIFT SHAFT (X-LONG)	968432
23	UPPER SHIFT SHAFT (XX-LONG)	968433
24	BUSHING	23-65830
25	LEVER	968413
26	ROLL PIN	17-96888
27	SHIFT LINK	96848
28	BUSHING	23-26856
29	WAVE WASHER	13-29720
30	NUT	11-826709109	11-33825, 11-35045
31	SCREW	10-96849
32	NUT (5/16-24)	11-28770
33	WAVE WASHER	13-29720
34	NUT (1/4-28)	11-826709109	11-33825, 11-35045
-	COMPONENT OF GASKET SET	27-88605A89

FLYWHEEL/STATOR

Below is the parts list for Mercury 250/275 FLYWHEEL/STATOR:

Position No.	Part Name	OEM Number	Supersedes
1	FLYWHEEL COVER Comment: (STATOR ATTACHES WITH 5 SCREWS)	887831
1	FLYWHEEL COVER Comment: (STATOR ATTACHES WITH 4 SCREWS)	887832
2	PLUG	19-89219001
3	TIMING MARKER	79022
4	SCREW	10-37572
5	WASHER	12-72761
6	PLUG	19-45907
7	FLYWHEEL (RED-DESIGN I-SEE DRAWING)	257-7555A27
7	FLYWHEEL (BLACK-DESIGN II-SEE DRAWING)	267-9865A6
8	SCREW	10-32417
9	SCREW (HEX HEAD)	10-68997
9	SCREW (SOCKET HEAD)	10-89317
10	STATOR ASSEMBLY Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	398-5454A64
11	SCREW Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	10-77363
12	LOCKWASHER Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	13-26996
13	REGULATOR Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	18736A20
14	SEAL Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	18717
15	SCREW Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	10-86885
16	WASHER Comment: STATOR ATTACHES WITH 4 STANDARD SCREWS & USE WITH REF.#13	12-8M0204649
10	STATOR ASSEMBLY Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	398-9610A6
11	SCREW Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	10-4008250
12	LOCKWASHER Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	13-400256
13	REGULATOR Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	18736A20
14	SEAL Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	18717
15	SCREW (1-5/8") Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	10-86885
16	WASHER Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF. #13	12-8M0204649
10	STATOR ASSEMBLY Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	398-9610A22
11	SCREW Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	10-4008250
12	LOCKWASHER Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	13-400256
17	REGULATOR Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	8M0084173	883072T, 854515T 1 STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17
18	SCREW (1-1/2") Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	10-86885
19	WASHER Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	12-8M0204649
20	HARNESS Comment: STATOR ATTACHES WITH 5 METRIC SCREWS & USE WITH REF . #17	84-822446A1
21	TRIGGER PLATE ASSEMBLY	89004A7
22	CLIP	54-63153
23	SCREW	10-62568

FUEL PUMP (FUEL PUMP BODY IS BLACK)

Below is the parts list for Mercury 250/275 FUEL PUMP (FUEL PUMP BODY IS BLACK):

Position No.	Part Name	OEM Number	Supersedes
1	FUEL PUMP ASSEMBLY	14360A78
2	DIAPHRAGM KIT	21-857005A1
3	CHECK VALVE, RUBBER (#)
4	CHECK VALVE (#)
5	RETAINER (#)
6	GASKET, BOOST (#)
7	CAP (#)
8	SPRING (#)
9	DIAPHRAGM (#)
10	GASKET, PULSE (#)
11	SPRING (#)
12	CAP (#)
13	GASKET, BASE	27-8M0204705
14	BASE	144303
15	PLATE	987752
16	FITTING	22-996642
17	HOSE	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80
18	ELBOW	22-19688
19	SCREW, FUEL PUMP TO CRANKCASE (M6 X 1)	10-82130050
20	SCREW (12-24 X 2")	10-16452
20	SCREW, FUEL PUMP (M5 X .8 X 40)	10-82104540
21	STA-STRAP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
22	HOSE	32-1350385
23	FITTING (90 DEGREES)	22-19688
24	TEE	22-818993
25	HOSE	32-82381335
26	FUEL CONNECTOR	22-816856Q3
27	SCREW	10-69067
28	GROMMET	25-145091
29	CHECK VALVE	22-8189941
30	HOSE	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821

FUEL PUMP (SERIAL #D000749 AND BELOW)

Below is the parts list for Mercury 250/275 FUEL PUMP (SERIAL #D000749 AND BELOW):

Position No.	Part Name	OEM Number	Supersedes
1	FUEL PUMP ASSEMBLY	14360A78
2	DIAPHRAGM KIT	21-857005A1
3	GASKET, BASE	27-8M0204705
4	GASKET, PULSE (#)
5	DIAPHRAGM (#)
6	CAP (#)
7	SPRING (#)
8	RETAINER (#)
9	CHECK VALVE, RUBBER (#)
10	CHECK VALVE (#)
11	GASKET (#)
12	CAP (#)
13	SPRING (#)
14	BASE	144303
15	PLATE	987752
16	FITTING	22-16288
17	PIPE PLUG	22-56800
18	SCREW	10-16452
19	SCREW	10-4000310
20	WASHER	12-4002314
21	TEE FITTING	22-16961
22	FUEL LINE	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
23	TUBING	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80
24	FUEL FILTER	35-816296Q2
25	STA-STRAP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
26	FITTING	22-19688
27	HOSE	32-1350385
28	TEE	22-424253
29	FUEL CONNECTOR	22-816856Q3
30	SCREW	10-69067
31	GROMMET	25-145091
32	CONTENTS OF DIAPHRAGM KIT	21-857005A1
33	COMPONENT OF GASKET SET	27-88605A89

FUEL PUMP(SERIAL #D000750 AND ABOVE)FUEL PUMP BODY WHITE/RED

Below is the parts list for Mercury 250/275 FUEL PUMP(SERIAL #D000750 AND ABOVE)FUEL PUMP BODY WHITE/RED:

Position No.	Part Name	OEM Number	Supersedes
1	FUEL PUMP ASSEMBLY	14360A78
2	DIAPHRAGM KIT	21-857005A1
3	GASKET, BASE	27-8M0204705
4	CAP (#)
5	DIAPHRAGM (#)
6	CAP (#)
7	SPRING (#)
8	RETAINER (#)
9	CHECK VALVE, RUBBER (#)
10	CHECK VALVE (#)
11	SPRING (#)
12	BASE	144303
13	PLATE	987752
14	FITTING	22-16288
15	PIPE PLUG	22-56800
16	SCREW	10-16452
17	SCREW	10-4000310
18	WASHER	12-4002314
19	HOSE	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80
20	HOSE	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
21	STA-STRAP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
22	HOSE	32-1350385
23	FITTING (90 DEGREES)	22-19688
24	TEE	22-424253
25	HOSE	32-82381335
26	FUEL CONNECTOR	22-816856Q3
27	SCREW	10-69067
28	GROMMET	25-145091

GEAR HOUSING (DRIVE SHAFT) (COUNTER ROTATION)

Below is the parts list for Mercury 250/275 GEAR HOUSING (DRIVE SHAFT) (COUNTER ROTATION):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING, COMPLETE (X-LONG) (BLACK)	1659-9554A16
-	GEAR HOUSING, COMPLETE (XX-LONG) (BLACK)	1659-9554A17
-	GEAR HOUSING, COMPLETE (X-LONG) (GRAY)	1659-9554A18
-	GEAR HOUSING, COMPLETE (XX-LONG) (GRAY)	1659-9554A19
1	GEAR HOUSING (BLACK)	1659-9554A23
1	GEAR HOUSING (GRAY)	1659-9554A24
2	CONNECTOR ASSEMBLY (X-LONG)	22-85822A10
2	CONNECTOR ASSEMBLY (XX-LONG)	22-85822A6
3	PLUG	22-56800
4	ROLLER BEARING	31-88384T
5	SET SCREW	10-40122
6	DOWEL PIN	17-43044
6A	FILLER PLATE	814285
7	DRAIN SCREW	22-8M0058389	22-67892A06
8	WASHER	12-191833
9	GREASE FILLER SCREW	10-79953Q04
10	PINION GEAR (PART OF 43-812975A1) (#N.S.S.)
11	WASHER	12-92721
12	NUT	11-35921
13	DRIVE SHAFT (X-LONG)	45-814809A1
13	DRIVE SHAFT (XX-LONG)	45-814767A1
14	SHIM ASSEMBLY	15-88655A1
15	ROLLER BEARING	31-8M0103473	31-86748A 1
16	LOCKNUT	11-88710
17	O-RING	25-88657
18	WATER PUMP BASE ASSEMBLY	46-88776A5
19	OIL SEAL	26-14381
20	GASKET(LOWER)	27-907562
21	FACE PLATE	90755
22	GASKET (UPPER)	27-936662
23	KEY	28-88422
24	IMPELLER	47-85647
25	WATER PUMP BODY ASSEMBLY	46-90530A1
26	SEAL (X-LONG)	26-88397
27	GUIDE (X-LONG)	88581
28	SCREW	10-8M0204741
29	INSULATOR	90753
30	LOWER SHIFT SHAFT	44197A2
32	E-RING	53-29641
33	O-RING	25-25439
34	BUSHING ASSEMBLY	23-77631A2
35	OIL SEAL	26-8M0204708
36	RUBBER WASHER	12-77674
37	ROLLER BEARING	31-66670A1
38	SHIM ASSEMBLY	15-66672A1

GEAR HOUSING (DRIVE SHAFT) (STANDARD ROTATION)

Below is the parts list for Mercury 250/275 GEAR HOUSING (DRIVE SHAFT) (STANDARD ROTATION):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING, COMPLETE (LONG) (BLACK)	1659-9554A12
-	GEAR HOUSING, COMPLETE (X-LONG) (BLACK)	1659-9554A6
-	GEAR HOUSING, COMPLETE (XX-LONG) (BLACK)	1659-9554A7
-	GEAR HOUSING, COMPLETE (LONG) (GRAY)	1659-9554A22
-	GEAR HOUSING, COMPLETE (X-LONG) (GRAY)	1659-9554A10
-	GEAR HOUSING, COMPLETE (XX-LONG) (GRAY)	1659-9554A11
1	GEAR HOUSING (BLACK) Comment: CASTING #1659-9554C3	1659-9554A23
1	GEAR HOUSING (GRAY) Comment: CASTING #1659-9554C4	1659-9554A24
1	GEAR HOUSING (BLACK) Comment: CASTING #1659-9554C4	1659-9554A23
1	GEAR HOUSING (GRAY) Comment: CASTING #1659-9554C4	1659-9554A24
2	CONNECTOR (LONG & X-LONG)	22-85822A10
2	CONNECTOR (XX-LONG)	22-85822A6
3	PLUG	22-56800
4	ROLLER BEARING	31-88384T
5	SET SCREW	10-40122
6	DOWEL PIN	17-43044
6A	FILLER PLATE	814285
7	DRAIN SCREW (MAGNETIC)	10-37892
8	WASHER	12-191833
9	SCREW	10-79953Q04
10	PINION GEAR(PART OF 43-17064A2 & A5) (#N.S.S.)
11	WASHER	12-92721
12	NUT	11-35921
13	DRIVE SHAFT ASSEMBLY (LONG)	45-816417A1
13	DRIVE SHAFT ASSEMBLY (X-LONG)	45-814809A1
13	DRIVE SHAFT ASSEMBLY (XX-LONG)	45-814767A1
14	SHIM ASSEMBLY	15-88655A1
15	ROLLER BEARING	31-8M0103473	31-86748A 1
16	LOCK NUT	11-88710
17	O-RING	25-88657
18	WATER PUMP BASE ASSEMBLY	46-88776A5
19	OIL SEAL	26-14381
20	GASKET	27-907562
21	FACE PLATE	90755
22	GASKET	27-936662
23	KEY	28-88422
24	IMPELLER	47-85647
25	WATER PUMP BODY ASSEMBLY	46-90530A1
26	SEAL	26-88397
27	GUIDE	88581
28	SCREW	10-8M0204741
29	INSULTOR	90753
30	SHIFT SHAFT	44197A2
31	RETAINING RING (OLD DESIGN)	53-78907
32	E-RING	53-29641
33	O-RING 1	25-25439
34	BUSHING ASSEMBLY	23-77631A2
35	OIL SEAL	26-8M0204708
36	WASHER (OLD DESIGN)	12-77674
37	ROLLER BEARING	31-66670A1
38	SHIM ASSEMBLY	15-66672A1

GEAR HOUSING (PROPELLER SHAFT) (COUNTER ROTATION)

Below is the parts list for Mercury 250/275 GEAR HOUSING (PROPELLER SHAFT) (COUNTER ROTATION):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING, COMPLETE (X-LONG) (BLACK)	1659-9554A16
-	GEAR HOUSING, COMPLETE (XX-LONG) (BLACK)	1659-9554A17
-	GEAR HOUSING, COMPLETE (X-LONG) (GRAY)	1659-9554A18
-	GEAR HOUSING, COMPLETE (XX-LONG) (GRAY)	1659-9554A19
1	GEAR HOUSING (BLACK)	1659-9554A23
1	GEAR HOUSING (GRAY)	1659-9554A24
39	SHIFT CAM	789562
40	TRIM TAB	803833T	17264F 3
41	SCREW	10-90042
42	CAM FOLLOWER	89594A1
43	CLUTCH ACTUATOR ROD	88523A1
44	SPRING	24-88579
45	WASHER	12-78910
46	PIN	17-8M0084245	17-78906
47	BEARING ADAPTOR ASSEMBLY	815362T1
48	ROLLER BEARING	31-814653T	31-814653, 31-814653001
49	THRUST WASHER	12-815481
50	THRUST BEARING	31-815480
51	REVERSE GEAR (PART OF 43-81975A1) (#N.S.S.)
52	ROLLER BEARING	31-815482
53	DETENT PIN	17-78909
54	RATCHET	52-823580	52-816191, 52-88423
55	CROSS PIN	17-8M0084243	17-78905
56	SPRING	24-78962
57	GEAR SET	43-812975A6
58	SPACER SHIM .206"	23-1761514
58	SPACER SHIM .208"	23-1761515
58	SPACER SHIM .210"	23-1761516
58	SPACER SHIM .212"	23-1761517
58	SPACER SHIM .214"	23-1761518
58	SPACER SHIM .216"	23-1761519
58	SPACER SHIM .218"	23-1761520
58	SPACER SHIM .220"	23-1761521
58	SPACER SHIM .222"	23-1761522
58	SPACER SHIM .224"	23-1761523
58	SPACER SHIM .226"	23-1761524
58	SPACER SHIM .228"	23-1761525
58	SPACER SHIM .230"	23-1761526
59	ROLLER BEARING	31-15841
60	THRUST RING	12-17616
61	O-RING	25-8M0214920
62	BEARING ADAPTOR	814604T1
63	ROLLER BEARING	31-814653T	31-814653, 31-814653001
64	THRUST WASHER	12-18448
65	THRUST BEARING	31-15842
66	PROPELLER SHAFT	44-812977
67	BEARING CARRIER	812976A1
68	ROLLER BEARING	31-30956T
69	OIL SEAL	26-8M0204670
70	KEY	28-30281
71	TAB WASHER	14-79447
72	COVER	8M2011027	79448
73	THRUST HUB	12-835467Q01	12-835467 1
74	LOCKWASHER	13-423511
75	SPLINED WASHER	12-31211Q03
76	TAB WASHER	14-816629Q	14-816629, 14-31210, 14-816629B
77	PROPELLER NUT	11-52707Q1
78	SCREW	10-95705
79	WASHER	12-45176
-	COMPONENT OF GASKET SET	27-88605A89

GEAR HOUSING (PROPELLER SHAFT) (STANDARD ROTATION)

Below is the parts list for Mercury 250/275 GEAR HOUSING (PROPELLER SHAFT) (STANDARD ROTATION):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING, COMPLETE (LONG) (BLACK)	1659-9554A12
-	GEAR HOUSING, COMPLETE (X-LONG) (BLACK)	1659-9554A6
-	GEAR HOUSING, COMPLETE (XX-LONG) (BLACK)	1659-9554A7
-	GEAR HOUSING, COMPLETE (LONG) (GRAY)	1659-9554A22
-	GEAR HOUSING, COMPLETE (X-LONG) (GRAY)	1659-9554A10
-	GEAR HOUSING, COMPLETE (XX-LONG) (GRAY)	1659-9554A11
1	GEAR HOUSING- CASTING #1659-9554C3 (BLACK)	1659-9554A23
1	GEAR HOUSING- CASTING #1659-9554C3 (GRAY)	1659-9554A24
1	GEAR HOUSING -CASTING #1659-9554C4 (BLACK)	1659-9554A23
1	GEAR HOUSING-CASTING #1659-9554C4 (GRAY)	1659-9554A24
39	SHIFT CAM	789562
40	TRIM TAB	803833T	17264F 3
41	SCREW	10-90042
42	CAM FOLLOWER	89594A1
43	ROD (USE W/ G/H CASTING #1659-9554C3)	88523A1
43	ROD (USE W/ G/H CASTING #1659-9554C4)	88523A1
44	PIN	17-8M0084245	17-78906
45	SPRING (USE W/ G/H CASTING #1659-9554C3)	24-88579
45	SPRING (USE W/ G/H CASTING #1659-9554C4)	24-88579
46	WASHER	12-78910
47	SHIM	15-47397A1
48	TAPERED ROLLER BEARING ASSEMBLY	31-35928T1
49	GEAR ST (USE W/ G/H CASTING #1659-9554C3)	43-17064A2
49	GEAR SET (USE W/ G/H CASTING #1659-9554C4)	43-17064A5
50	ROLLER BEARING	31-30895T
51	RATCHET	52-823580	52-816191, 52-88423
52	DETENT PIN	17-78909
53	CROSS PIN	17-8M0084243	17-78905
54	SPRING	24-78962
55	PROPELLER SHAFT	44-93848
56	REVERSE GEAR (PART OF 43-17064A2 & A5) (#N.S.S.)
57	THRUSTING RING	681001
58	BALL BEARING	30-88957T
59	O-RING	25-8M0214920
60	CARRIER (USE W/ CASTING #1659-9554C3)	88603A4
60	CARRIER ( USE W/ CASTING #1659-9554C4)	813082A1
61	ROLLER BEARING	31-30956T
62	OIL SEAL	26-8M0204670
63	KEY	28-30281
64	TAB WASHER	14-79447
65	COVER	8M2011027	79448
66	THRUST HUB	12-835467Q01	12-835467 1
67	LOCKWASHER	13-423511
68	SPLINDEN WASHER	12-31211Q03
69	TAB WASHER	14-816629Q	14-816629, 14-31210, 14-816629B
70	PROPELLER NUT	11-52707Q1
71	SCREW	10-95705
72	WASHER	12-45176

HYDRAULIC PUMP

Below is the parts list for Mercury 250/275 HYDRAULIC PUMP:

Position No.	Part Name	OEM Number	Supersedes
-	HYDRAULIC PUMP ASSEMBLY	823653A9
01	ADAPTOR	801786
02	COUPLING	803852	89493
03	MANUAL RELEASE	96598A1
04	PUMP (INCLUDES SCREWS)	801787
05	FILTER	35-89496
06	0-RING	25-89498
07	O-RING	25-89497
08	DIPSTICK	89499
09	RESERVOIR	90587T
10	SCREW (INCLUDES O-RING)	10-90588
-	MOTOR	17649A02
11	END CAP (W/BEARING)	17632T
12	SCREW	10-17626
13	O-RING	25-17625
14	SCREW	10-17621
15	BRUSH	17633
16	BRUSH SET	17631A1
17	ARMATURE	17623
18	THRUST WASHER	12-17653
19	FIELD AND FRAME	17624
20	HOUSING (W/BEARING)	17622
21	SCREW	10-823444
-	RELIEF VALVE KIT	812501A1
-	OVERHAUL REPAIR KIT	99073A2

HYDRAULIC PUMP (DESIGN I)

Below is the parts list for Mercury 250/275 HYDRAULIC PUMP (DESIGN I):

Position No.	Part Name	OEM Number	Supersedes
-	HYDRAULIC ASSEMBLY	823653A9
1	ADAPTOR	89492T
2	COUPLING	803852	89493
3	MANUAL RELEASE (INCLUDES 2 O-RINGS)	96598A1
3	MANUAL RELEASE (INCLUDES 3 0-RINGS)	96598A1
4	PUMP (INCLUDES SCREWS)	89495
5	FILTER	35-89496
6	O-RING	25-89498
7	O-RING	25-89497
8	DIPSTICK	89499
9	RESERVOIR	90587T
10	SCREW (INCLUDES O-RING)	10-90588
11	THRU STUD (SHORT)	16-90589
11	THRU STUD (LONG)	16-90590
-	MOTOR	17649A02
12	END FRAME, DRIVE END	89484
13	ARMATURE	89485
14	THRUST WASHER	12-89482
15	FIELD AND FRAME	89486
16	BRUSH CARD	89487
17	END FRAME, COMMUTATOR END	89488
18	THRU BOLT (4-1/4")	10-89483
18	THRU BOLT 4-9/16")	10-89489
19	NUT	11-89481
-	RELIEF VALVE REPAIR KIT	812501A1
-	OVERHAUL REPAIR KIT	99073A2

HYDRAULIC PUMP AND MOUNTING BRACKETS

Below is the parts list for Mercury 250/275 HYDRAULIC PUMP AND MOUNTING BRACKETS:

Position No.	Part Name	OEM Number	Supersedes
1	HYDRAULIC PUMP (DESIGN I)	823653A9
2	BRACKET (DESIGN I)	90318
3	SCREW (5/8") (DESIGN I)	10-90285
4	WASHER (DESIGN I)	12-56720
5	NUT (DESIGN I)	11-8267096
8	BATTERY CABLE (BLACK - NEGATIVE)	84-79138A9
9	J-CLIP	54-8M0024808
10	HARNESS ASSEMBLY	84-79147A3
11	FUSE	88-8M0207796
12	CABLE ASSEMBLY	84-95084A3
13	STARTER SOLENOID	8M0185622
14	RETAINER	88075
15	SCREW (3/8")	10-41508
16	NUT	8-32,11-26419
17	CONNECTOR	94275
18	LOCKWASHER (1/4")	13-26992
19	NUT (1/4-20)	11-94330
20	FUSE (110 AMP)	88-79023T10
21	WASHER	12-96457
22	NUT	11-21825
23	WIRE (BLACK)	84-86322A15
24	BATTERY CABLE (RED-POSITIVE)	84-79139A12
25	BRACKET	87762
26	BOLT (3-1/2")	10-31830
27	LOCKWASHER	13-58643
28	NUT	11-46335
29	PLATE	87760T
30	SCREW (3/4")	10-39349
31	LOCKWASHER	13-8M0204647
32	SCREW (5/8")	10-90271
33	LOCKWASHER	13-58643
34	BOOT	85-861680	85-96535
35	SCREW	10-48409
36	HYDRAULIC HOSE (PORT)	32-96993
36	HYDRAULIC HOSE (STARBOARD)	32-96994
37	HYDRAULIC HOSE (PORT)	32-89024
37	HYDRAULIC HOSE (STARBOARD)	32-89023
38	GROMMET	25-12602002
39	CONNECTOR	22-87207
40	COVER	87871T
41	GASKET	27-87775
42	GROMMET	25-45507
43	SCREW	10-36070
44	LOCKWASHER	13-26996
45	NUT	11-68219
46	RETAINER	79146
47	STA-STRAP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
48	TERMINAL BLOCK	86-45915
49	SCREW	10-69079
-	TILT HARNESS	84-65017A14
1A	HYDRAULIC PUMP (DESIGN II)	823653A9
2	BRACKET (DESIGN II)	818567
3	SCREW (1-1/8") (DESIGN II)	10-38837
4A	WASHER (DESIGN II)	12-57792
5A	SPACER (DESIGN II)	23-34948
6	CABLE (DESIGN II)	84-86322A24
7	SCREW (3/4") (DESIGN II)	10-92051

INSTRUMENTATION

Below is the parts list for Mercury 250/275 INSTRUMENTATION:

Position No.	Part Name	OEM Number	Supersedes
1	TACHOMETER	79-895283Q43	79-825348A 1
2	BRACKET	79101T
3	LIGHT BULB	88-72729
4	SOCKET	88-79888
5	NUT	8-32,11-26419
6	WIRE (BLACK - 1/2")	84-86322A7
6	WIRE (PURPLE - 1/2")	84-86323A5
7	TRIM GAUGE	79-895292Q41	79-825338A 1, 79-825338A 3
8	BRACKET	79480
9	LIGHT BULB	88-72729
10	SOCKET	88-79888
11	NUT (8-32)	11-26419
12	STA-STRAP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
13	TEMPERATURE GAUGE	79-895287Q41	79-825326A 1
14	LIGHT BULB	88-72729
15	SOCKET	88-79888
16	WASHER	12-26427
17	BRACKET	79480
18	NUT	11-26419
19	WIRE (PURPLE)	84-86323A2
19	WIRE (BLACK)	84-61600A16
19	WIRE (TAN/BLUE -23')	84-88824A4
20	SWITCH ASSEMBLY	87-19674A1
21	SCREW	10-18303
22	ADAPTOR	813679	12051
23	LANYARD	15920Q54
24	SCREW	10-32866
25	CLAMP	18321
26	WASHER	12-24676
27	NUT	11-68219
28	RETAINER	79146
29	BUSHING	22-36492
30	15 PSI GAUGE KIT	79-895288Q41	79-858650A 3
31	CABLE ASSEMBLY (DARK BLUE)	84-88532A1
31	CABLE ASSEMBLY (BLACK - 2")	84-86322A16
32	FITTING	22-286241
33	ADAPTOR	22-63668
34	ELBOW (90 DEGREES)	22-63651
35	FITTING	22-63670
36	CABLE TIE	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
37	FITTING	22-77863
38	TUBING	32-64088A09
39	BULB	88-95691
40	SOCKET	13631
41	BRACKET	17654
42	DIODE KIT	812497A2
43	CABLE ASSEMBLY (6")	84-11149A2

KEY SWITCH ASSEMBLY

Below is the parts list for Mercury 250/275 KEY SWITCH ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	KEY SWITCH ASSEMBLY (20')	84-816626A20	84-17925A20
2	COVER	90468A1
3	BRACKET	76424
4	STUD	16-55422
5	WASHER	12-24676
6	NUT	11-68219
7	PLATE	816479A3
8	SWITCH (SEE CHART BELOW FOR KEY)	87-88107A5
9	NUT	11-879755	11-93543
10	INSERT	38-90311
11	ALARM HORN ASSEMBLY - OLD DESIGN	68878A6
12	COVER- OLD DESIGN	68879
11	ALARM (NEW DESIGN)	84-8M0210763
13	SPACER (3/8")	23-8127111
13	SPACER (1/4")	23-812711
-	KEY 1A	894911
-	KEY 1B	894912
-	KEY 1C	894913
-	KEY 1D	894914
-	KEY 1E	894915
-	KEY 1F	894916
-	KEY 2A	894917
-	KEY 2B	894918
-	KEY 2C	894919
-	KEY 2D	8949110
-	KEY 2E	8949111
-	KEY 2F	8949112

MISCELLANEOUS PARTS/ACCESSORIES

Below is the parts list for Mercury 250/275 MISCELLANEOUS PARTS/ACCESSORIES:

Position No.	Part Name	OEM Number	Supersedes
-	PARTS MANUAL	90-814697
-	DECAL SET (250/275-BLACK-DESIGN I)	37-13487A89
-	DECAL SET (250-GRAY)	37-813039A90	37-813039A89
-	DECAL SET (275-GRAY-DESIGN I)	37-824960A94	37-815631A91
-	DECAL SET (275-BLACK-DESIGN II)	37-824959A94
-	DECAL SET (275-GRAY-DESIGN II)	37-824960A94	37-815631A91
-	OWNER'S GUIDE (BLACK)	90-11227940
-	OWNER'S GUIDE (GRAY)	90-19388940

OIL INJECTION COMPONENTS

Below is the parts list for Mercury 250/275 OIL INJECTION COMPONENTS:

Position No.	Part Name	OEM Number	Supersedes
1	OIL PUMP	14460
2	SCREW (1")	10-34994
2	SCREW (1-1/2")	10-73013
3	LINK	1938516
4	ADAPTOR ASSEMBLY	14525A3
5	DRIVEN GEAR	43-41083
6	O-RING	25-11379
7	CLAMP	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
8	TUBING	32-82381335
9	OIL RESERVOIR	15136
10	SCREW	10-63328
11	LOCKWASHER	13-53166
12	WASHER	12-36042
13	WASHER	12-67264
14	SPACER	23-67268
15	SPACER	23-14680
16	O-RING	25-48462
17	CAP ASSEMBLY	36-43300A5
18	GASKET	27-43307T
19	FLOAT ASSEMBLY	8M0187298
20	PUSHNUT	11-99265
21	TUBING	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
22	CLAMP	54-415823
23	TUBING	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
24	FITTING	22-42425
25	HOSE	32-9912878
26	HOSE	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
27	OIL TANK	1257-87421
28	CAP ASSEMBLY	36-43298A2
29	O-RING	25-11332
30	ADAPTOR HOUSING ASSEMBLY - OLD DESIGN	816190A4
31	O-RING- OLD DESIGN	25-11332
32	TUBE- OLD DESIGN	32-99802
33	HOUSING ASSEMBLY Comment: QUICK DISCONNECT- OLD DESIGN	12540A4
34	HOSE- OLD DESIGN	32-99439
35	HOUSING- OLD DESIGN	12540A3
36	LATCH- OLD DESIGN	12242A1
30	ADAPTOR HOUSING ASSEMBLY - NEW DESIGN	816190A4
31	O-RING- NEW DESIGN	25-11332
32	TUBE- NEW DESIGN	32-99802
34	HOSE- NEW DESIGN	32-99439
37	FITTING (CRANKCASE)	21-8781051
38	WASHER	14-814811
39	BOLT	10-73657

SOUND ATTENUATOR AND COWL BRACKET

Below is the parts list for Mercury 250/275 SOUND ATTENUATOR AND COWL BRACKET:

Position No.	Part Name	OEM Number	Supersedes
1	BRACKET	883644
2	HOUSING (PORT)	85651
2	HOUSING (STARBOARD)	85650
3	SCREW	10-34941
4	WASHER	12-8M0204649
5	BRACKET (BLACK)	88361T
5	BRACKET (GRAY)	88361T6
6	SEAL	14900A1
7	SEAL	88356
8	SCREW	10-4000335
9	WASHER	12-8M0204649
10	SOUND ATTENUATOR PLATE/COVER ASSEMBLY	13944A1
11	GASKET	27-898192
12	COVER	139441
13	MOUNT	90435
14	WASHER	12-8M0204649
15	NUT	11-35888
16	BRACKET	67245T
17	GROMMET	25-67272
18	CLIP	54-26550
19	C-WASHER	8M0084613	69205
20	SCREW	10-78291
21	SCREW	10-40062127
22	WASHER	12-8M0214930
23	BRACKET (BLACK)	41124T1
23	BRACKET (GRAY)	41124T6
24	SEAL	88357
25	RETAINER	99391
26	PLATE	88622
27	GROMMET	25-67272
28	RETAINER	88621
29	SCREW	10-34994
30	COWL LATCH	76264
31	SPRING	24-85367
32	HOUSING	67241
33	SCREW	10-92051
34	MOUNT	90435
35	WASHER	12-8M0204649
36	NUT	11-35888

STARTER MOTOR AND IGNITION COILS

Below is the parts list for Mercury 250/275 STARTER MOTOR AND IGNITION COILS:

Position No.	Part Name	OEM Number	Supersedes
1	STARTER MOTOR	50-893893	50-79472T 2, 50-79472 2
2	COLLAR	23-8M0034918	23-8M0001391, 56703
3	STOP	8M0043376	68042
4	SCREW	10-69035
5	WIRE (BLACK)	84-93388A1
6	LOCKWASHER	13-8M0204647
7	NUT	11-8M0204668
8	IGNITION COIL ASSEMBLY	339-832757A4
9	NUT	11-45076
10	COVER	67614
11	SCREW	10-88856
12	GROUND STRAP (BLACK)	84-60466A7
13	HIGH TENSION CABLE	84-813715A11
14	PROTECTOR	85-63709A1
15	SPARK PLUG	33-13686Q

STARTER MOTOR ASSEMBLY

Below is the parts list for Mercury 250/275 STARTER MOTOR ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
-	STARTER MOTOR ASSEMBLY	50-893893	50-79472T 2, 50-79472 2
1	DRIVE KIT	90645
2	DRIVE	13310T1
3	PLATE	75660
4	THRU BOLT	10-74968
6	WASHER (AMERICAN BOSCH #WA3122) (#N.S.S.)
7	ARMATURE	79216
8	BRUSH SET	898265016	75384, 75384 1
9	HOLDER, BRUSH	898265014	61787
10	SCREW (AMERICAN BOSCH #02441-22-SC-30SM) (#N.S.S.)
11	END CAP, COMMUTATOR	15386001

SWIVEL BRACKET AND STEERING ARM

Below is the parts list for Mercury 250/275 SWIVEL BRACKET AND STEERING ARM:

Position No.	Part Name	OEM Number	Supersedes
1	SWIVEL BRACKET ASSEMBLY (BLACK)	1491-9225A3
1	SWIVEL BRACKET ASSEMBLY (GRAY)	1491-9225A4
2	OIL SEAL (LOWER)	26-87735
3	BUSHING	23-818764	23-67669
4	GREASE FITTING	22-8M0169589
5	SPACER	23-67668
6	DOWEL PIN	17-63779
7	GROMMET	25-88341
8	OIL SEAL	26-85023
9	WASHER	12-87161
10	O-RING	25-48171
11	TILT LOCK LEVER (PORT) (BLACK)	85030A2
11	TILT LOCK LEVER (STARBOARD) (BLACK)	85028A2
11	TILT LOCK LEVER (PORT) (GRAY)	85030A3
11	TILT LOCK LEVER (STARBOARD) (GRAY)	85028A3
12	BUSHING	23-86600
13	SPRING	24-85367
14	PLUNGER	41052
15	STUD	16-88876
16	KNOB (BLACK)	86603
16	KNOB (GRAY)	86603T6
17	COUPLING	864751
18	ROLL PIN	17-69745
19	SPRING	24-88049
20	COTTER PIN	18-93861
21	WAVE WASHER	13-78854
22	BOTTOM YOKE (BLACK)	96852T
22	BOTTOM YOKE (GRAY)	96852F2
23	RETAINING RING	53-67684
24	THRUST WASHER	12-67670
25	SWIVEL PINP/STEERING ARM (BLACK) Comment: 7/16-20 SCREW THREAD SIZE	17-840792A1
25	SWIVEL PIN/STEERING ARM (GRAY) Comment: 7/16-20 SCREW THREAD SIZE	17-840792A1
26	SCREW Comment: 7/16-20 SCREW THREAD SIZE	10-88659
27	MOUNT Comment: 7/16-20 SCREW THREAD SIZE	77326
28	WASHER Comment: 7/16-20 SCREW THREAD SIZE	12-66921
29	WASHER Comment: 7/16-20 SCREW THREAD SIZE	12-78688
30	NUT Comment: 7/16-20 SCREW THREAD SIZE	11-8M0204653
31	BUMPER Comment: 7/16-20 SCREW THREAD SIZE	8M0000516	88882 1 7/16-20 SCREW THREAD SIZE
25	SWIVEL PIN/STEERING ARM (BLACK) Comment: 1/2-20 SCREW THREAD SIZE	17-840792A1
25	SWIVEL PIN/STEERING ARM (GRAY) Comment: 1/2-20 SCREW THREAD SIZE	17-840792A1
26	SCREW Comment: 1/2-20 SCREW THREAD SIZE	10-8154521
27	MOUNT Comment: 1/2-20 SCREW THREAD SIZE	773261
28	WASHER Comment: 1/2-20 SCREW THREAD SIZE	12-66921
29	WASHER Comment: 1/2-20 SCREW THREAD SIZE	12-78688
30	NUT Comment: 1/2-20 SCREW THREAD SIZE	11-35000
31	BUMPER Comment: 1/2-20 SCREW THREAD SIZE	8M0000516	88882 1 1/2-20 SCREW THREAD SIZE
32	STEERING LINK ASSEMBLY	92876A12
33	SCREW	10-849838	10-14000
34	NUT	11-33826
35	WASHER	12-34931
36	TRIM SENDER ASSEMBLY	86485A7
37	HARNESS (1 FEMALE/1 RING/2 MALES)	84-65017A19
38	STRAP	88342
39	SCREW	10-87926
40	CLAMP	54-54457
41	SCREW	10-64014
42	WASHER	12-8M0204649
43	SCREW	10-81516290
44	CLAMP	150311
36	TILT SWITCH ASSEMBLY	86485A6
37	HARNESS (2FEMALE/2 MALE)	84-65017A14

THROTTLE LEVER

Below is the parts list for Mercury 250/275 THROTTLE LEVER:

Position No.	Part Name	OEM Number	Supersedes
1	PIVOT	74897T
2	BALL JOINT	62459T
3	NUT	11-45076
4	LINK ROD	76035
5	NUT	11-46438
6	SPARK ADVANCE LEVER	89811
7	SCREW	10-75168
8	NUT	11-29598
9	CAP	52023
10	SCREW (1-1/4")	10-12405
11	NUT	11-68219
12	CAP	48039
13	THROTTLE CONTROL LEVER	94818
14	SCREW (1-3/4")	10-818165	10-55337
15	BUSHING	23-55164
16	BUSHING	23-55171
17	SPRING	24-55162
18	WASHER	12-68410
19	SCREW	10-75168
20	NUT	11-29598
21	CAP	52023
22	LATCH	39483
23	SCREW	10-69026
24	WASHER	12-69057
25	SPRING	24-20099
26	NUT	11-826709109	11-33825, 11-35045
27	THROTTLE CONTROL ROD	93259
28	BARREL	8M0221994
29	THROTTLE CAM	8130011
30	BUSHING	23-26856
31	BALL SCREW	10-41122

TRANSOM BRACKETS

Below is the parts list for Mercury 250/275 TRANSOM BRACKETS:

Position No.	Part Name	OEM Number	Supersedes
1	TRANSOM BRACKET(PORT) (BLACK)	1494-7476T1
2	TRANSOM BRACKET (STARBOARD) (BLACK)	1495-7478T1
1	TRANSOM BRACKET (PORT) (GRAY)	1494-7476T6
2	TRANSOM BRACKET (STARBOARD) (GRAY)	1495-7478T6
3	SCREW(6-1/2")	10-677552
4	SCREW(4-1/2")	10-8M0149747
4	SCREW(4")	10-814259
5	WASHER	12-8M0204648
6	NUT	11-91962
7	BOLY	10-87180
8	NUT	11-82671317
9	TILT TUBE	99170A2
10	WAVE WASHER	13-88750
11	NUT(7/8-14)	11-858869	11-30499
11	NUT(1"-14)(BLACK)	11-859133	11-34862, 11-90068F 3, 11-90068F 4
11	NUT(1"-14)(GRAY)	11-859133	11-34862, 11-90068F 3, 11-90068F 4
12	O-RING	25-45711
13	PLATE(BLACK)	85026T
13	PLATE(GRAY)	85026T6
14	SCREW	10-28636
15	WASHER	12-8M0204649
16	SPACER(BLACK)	85035T
16	SPACER(GRAY)	85035T6
17	SCREW	10-70732
18	WASHER	12-8M0204649
19	PLATE ASEMBLY	89949A1
20	SCREW	10-90192
21	CLAMP, HYDRAULIC HOSE	54-88512
21	CLAMP, WIRING HARNESS	54-75275
22	SCREW	10-88829
24	TRIM CYLINDER(79879A1 REPAIR KIT) (BLACK)	79610A6
24	TRIM CYLINDER (79879A1 REPAIR KIT) (GRAY)	79610A18
25	BUSHING	23-86489
26	WASHER	12-85022
27	SPRING	24-30316
28	PIVOT PIN	17-85020T
29	SHAFT	85024
30	BEARING	23-86637
31	PIN	17-91862

WIRING HARNESS, STARTER SOLENOID AND RECTIFIER

Below is the parts list for Mercury 250/275 WIRING HARNESS, STARTER SOLENOID AND RECTIFIER:

Position No.	Part Name	OEM Number
1	IGNITION PLATE	918822
2	SCREW	10-82127335
3	LOCKWASHER	13-53166
4	GROUND WIRE (BLACK)	84-65999A2
5	CLAMP (1/2")	54-47483
6	WASHER	12-36042
7	WASHER (RUBBER)	12-67264
8	BUSHING	23-67268
9	MERCURY SWITCH	87-33386A3
10	SCREW (5/8")	10-38055
11	NUT	11-45076
12	ROLL PIN	17-36242
13	TERMINAL BLOCK	86-66986
14	SCREW	10-22523
15	SCREW	10-37572
16	ENGINE HARNESS Comment: (USE W/REF.#17 IN FLYWHEEL/STATOR)	84-92432A7
16	ENGINE HARNESS	84-92432A6
17	FUSE	88-8M0207796
18	FUSE HOLDER (OLD DESIGN)	134731
19	TEMPERATURE SENDER	78799
20	SNAP RING	53-13899
21	CLAMP	88751
22	SCREW	10-28636
23	WASHER	12-20533
24	CABLE ASSEMBLY (TAN - 25")	84-88824A9
24	CABLE (BLACK -4-1/2")	84-88807A21
24	CABLE (24")	84-88807A38
25	OIL WARNING MODULE	14857A16
26	SCREW	10-4010630
27	WASHER	12-8M0214930
28	BATTERY CABLE, POSITIVE	84-88439A14
28	BATTERY CABLE, NEGATIVE	84-88439A2
29	STARTER SOLENOID	89-853654A1
30	NUT (10-32)	11-45076
31	LOCKWASHER (5/16")	13-39107
32	WIRE (YELLOW)	84-93389A2
33	NUT (5/16-18)	11-8M0204668
34	SCREW (5/8")	10-20540
35	LOCKWASHER	13-26992
36	SPEED LIMITER ASSEMBLY	86926A11
37	SCREW	10-40019108
38	DIODE ASSEMBLY	83-42551A1
39	SWITCH BOX	332-7778A12
40	SCREW	10-90818
41	BUSHING	23-91912
42	NUT	11-45076
43	SCREW	10-69079
44	HARNESS, COIL TO SWITCH BOX (#2, 4 AND 6)	84-92485A2
44	HARNESS, COIL TO SWITCH BOX (#1,3 AND 5)	84-92486A2
45	SLEEVE	5790811

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Mercury / Mercruiser / Mariner Parts from JLM Marine

About JLM Marine

Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.

As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.

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