Mercury 850 (4 CYL.) (7071373 THRU 7110997) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments

Mercury 850 (4 CYL.) Outboard Motor Parts Diagram & Catalog – Free PDF Download

BOTTOM COWL AND SHIFT LINKAGE

Below is the parts list for Mercury 850 (4 CYL.) BOTTOM COWL AND SHIFT LINKAGE:

Position No.	Part Name	OEM Number	Supersedes
1	COWL, BOTTOM	2158-7718
2	COVER, AIR INLET	74303
3	SCREW, COVER TO BOTTOM COWL (3/8")	10-62568
3A	WASHER, COVER SCREW	12-30164
4	GASKET, BOTTOM COWL	27-73646
5	BOOT, CONTROL CABLES - BOTTOM COWL	39616
6	BOOT, FUEL CONNECTOR - BOTTOM COWL	37637
7	SUPPORT, WIRING HARNESS - BOTTOM COWL	37445
8	SCREW, SUPPORT TO COWL ( 1 3/4")	10-69029
9	NUT, WIRING HARNESS SUPPORT SCREW	11-36069
10	HOSE, TELL TALE - EXH. COVER TO BOTTOM COWL (9")	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
11	NOZZLE, TELL TALE HOSE TO BOTTOM COWL	52889
12	SCREW, TELL TALE NOZZLE TO BOTTOM COWL (1/2")	10-48408
13	ELBOW, TELL TALE HOSE TO EXHAUST COVER	22-996642
14	SHIFT SHAFT ASSEMBLY, UPPER (MERC 850XS) Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	60304A55
14	SHIFT SHAFT ASSEMBLY, UPPER (MERC 850 LONG) S GROUP #1	60304A54
15	COUPLING, SHIFT SHAFT ) Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	93960A1
16	BUSHING, SHIFT SHAFT ) Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	23-26856
14	SHIFT SHAFT ASSEMBLY, UPPER (MERC 850XS) Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	60304A55
14	SHIFT SHAFT ASSEMBLY, UPPER (MERC 850 LONG) S GROUP #2	60304A54
16	BUSHING, SHIFT SHAFT Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	23-26856
17	SHIFT LINK	73402
18	WASHER, LINK ROD (SHIFT LEVER END)	12-35462
19	NUT, LINK ROD	11-36069
20	WASHER, WAVE - LINK ROD	13-29720
21	SPRING, LINK ROD TO GUIDE BLOCK	24-20099
22	GUIDE BLOCK, LINK ROD	37896
23	BRACKET, ANCHOR - CONTROL CABLES	52732A6
24	CAP, BARREL RETAINER - ANCHOR	39519
25	LEVER, NYLON - SHIFT CABLE LOCKING	87609A1
26	PIN, LOCKING LEVER AND COVER FASTENING	17-47175
27	COVER, NYLON - SHIFT CABLE	39667
28	LINK, LOCKING LEVER TO COVER	87609A1
29	SCREW, ANCHOR BRACKET TO CYLINDER BLOCK (1")	10-35386
30	WEAR PLATE, LINK ROD	52100
31	LATCH, CONTROL CABLE FASTENING - ANCHOR BRACKET	8M0036768	38279

CARBURETOR ASSEMBLY

Below is the parts list for Mercury 850 (4 CYL.) CARBURETOR ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	CARBURETOR ASSEMBLY, COMPLETE Comment: UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022	1379-6071A4
1	CARBURETOR ASSEMBLY, COMPLETE Comment: UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP	1379-6071A58
2	JET, VENT BOWL (.080) Comment: UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022	1395-6201
2	JET, VENT BOWL (.072) Comment: UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP	1395-6207
3	INLET NEEDLE AND SEAT	1395-83181
4	GASKET, INLET NEEDLE AND SEAT (#)
5	VENTURI ASSEMBLY	1395-6685
6	NOZZLE (#)
7	IDLE NEEDLE (#)
8	SPRING, IDLE MIXTURE (#)
9	PIN, FLOAT (#)
10	LEVER, FLOAT (#)
11	FLOAT	19273
12	FUEL BOWL Comment: UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022	1395-6195
12	FUEL BOWL Comment: UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP	1395-6488
13	GASKET, FUEL BOWL (#)
14	SCREW, FUEL BOWL (#)
15	PLUG, MAIN JET	1395-6199
16	JET MAIN (.088) Comment: UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022	1395-6202
16	JET, MAIN (.090) Comment: UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP	1395-6247
17	GASKET, MAIN JET PLUG (#)
18	SCREEN, FUEL INLET (#)
19	WELCH PLUG (9/16") (#)
20	SHAFT, THROTTLE	1395-4807
21	VALVE, THROTTLE	1395-6196
22	SCREW, VALVE TO THROTTLE SHAFT (#)
23	SEAL, THROTTLE SHAFT	1395-6204
24	WASHER, THROTTLE SHAFT	1395-6203
25	SPRING, THROTTLE RETURN (#)
26	VALVE ASSEMBLY, ENRICHMENT	1395-6198
27	SCREW, ENRICHMENT BRACKET (#)
28	WELCH PLUG (7/16") (#)
29	GASKET, CARBURETOR	27-733771
--	GASKET KIT	1395-6200
--	REPAIR PARTS KIT Comment: UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022	812953	1395-6205, 19272, 19274, 812954, 1395-6360, 812955, 1395-7212, 812985, 1395-7834 UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022
--	REPAIR PARTS KIT Comment: UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP	812953	1395-6205, 19272, 19274, 812954, 1395-6360, 812955, 1395-7212, 812985, 1395-7834 UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP

CARBURETOR LINKAGE

Below is the parts list for Mercury 850 (4 CYL.) CARBURETOR LINKAGE:

Position No.	Part Name	OEM Number	Supersedes
1	CHOKE SOLENOID ASSEMBLY	54293A10
2	SCREW, CHOKE SOLENOID TO FRONT BRACKET (3/4")	10-824941	10-59645, 10-73274
3	LOCKWASHER, CHOKE SOLENOID SCREW	13-8M0204647
4	CLAMP, HARNESS - CHOKE SOLENOID SCREW	54-52905
5	LOCKWASHER, CHOKE SOLENOID TERMINAL	13-26996
6	NUT, CHOKE SOLENOID TERMINAL	11-68219
7	PLUNGER AND LINK ASSEMBLY	89008A2
8	CHOKE ROD	73400
9	CHOKE KNOB ASSEMBLY	90242A1
10	SCREW, WIRE TO CHOKE KNOB	10-77137
11	GROMMET, CHOKE KNOB	25-20116
12	WIRE, CHOKE KNOB TO CHOKE ROD (BLACK)	84-74263
13	SCREW, WIRE TO CHOKE ROD	10-62568
14	CARBURETOR ASSEMBLY Comment: UNITED STATES 4366802 THRU 4423111 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7082022	1379-6071A4
14	CARBURETOR ASSEMBLY Comment: UNITED STATES 4423112 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7082023 AND UP	1379-6071A58
15	ELBOW, CARBURETOR	22-19688
16	SCREW, CARBURETOR TO CRANKCASE (3 3/4")	10-52743
17	COUPLING ASSEMBLY (LOWER CARBURETOR)	53720A2
18	INSERT, COUPLING	28-89694
19	SCREW, COUPLING TO CARBURETOR (3/4")	10-66104
20	WASHER, COUPLING SCREW	12-74726
21	ACTUATOR, THROTTLE (UPPER CARBURETOR)	73847
22	SCREW, ACTUATOR TO UPPER CARBURETOR (1/2")	10-60293
23	PLATE, CARBURETOR	73408
24	GASKET, CARBURETOR PLATE	27-73398
25	GASKET, CARBURETOR PLATE TO CARBURETOR	27-76952
26	SCREW, PLATE TO CARBURETOR (5/8")	10-28635
27	SEAL, CARBURETOR PLATE	73647

CLAMP BRACKET AND REVERSE LOCK

Below is the parts list for Mercury 850 (4 CYL.) CLAMP BRACKET AND REVERSE LOCK:

Position No.	Part Name	OEM Number	Supersedes
1	CLAMP BRACKET ASSEMBLY	1440-8394A1
2	THUMB SCREW ASSEMBLY	10-78492A1
3	COVER, THUMB SCREW	75043
4	TUBE, TILT - CLAMP BRACKET TO SWIVEL BRACKET	8M0041936	8M0035074, 883067, 30664 2, 74528
5	WASHER, CLAMP BRACKET TILT TUBE	12-52864
6	NUT, TILT TUBE FASTENING	11-858869	11-30499
7	CAP, PLASTIC - TILT TUBE	53078
8	SPACER, CLAMP BRACKET STUD	23-59624
9	STUD, CLAMP BRACKET	16-59625
10	LOCKWASHER, CLAMP BRACKET STUD	13-8M0204647
11	NUT, CLAMP BRACKET STUD	11-28770
12	TILT LOCK PIN ASSEMBLY	17-8M0026068	17-49930A 1
13	BOLT, CLAMP BRACKET TO BOAT TRANSOM (3 1/4")	10-68298
14	WASHER, CLAMP BRACKET BOLT	12-68410
13	BOLT, CLAMP BRACKET TO TRANSOM (3")	10-68299
14	WASHER, CLAMP BRACKET BOLT	12-68300
15	NUT, CLAMP BRACKET BOLT	11-82670912
16	PIN, UPPER SHOCK MOUNTING	55-28416
17	TILT LOCK ASSEMBLY, STARBOARD Comment: MERC 850XS AND MERC 850 LONG UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	76386
18	TILT LOCK ASSEMBLY, PORT Comment: MERC 850XS AND MERC 850 LONG UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	76385T
19	TUBE, TILT LOCK Comment: MERC 850XS AND MERC 850 LONG UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	47802
20	BUSHING, TILT LOCK TUBE Comment: MERC 850XS AND MERC 850 LONG UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	23-47803
21	WASHER, TILT LOCK TUBE Comment: MERC 850XS AND MERC 850 LONG UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	13-69150
17	TILT LOCK ASSEMBLY, STARBOARD Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	76386
18	TILT LOCK ASSEMBLY, PORT Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	76385T
19	TUBE, TILT LOCK Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	79659
21	WASHER, WAVE - TILT LOCK (STARBOARD SIDE ONLY) Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	13-69150
22	OIL SEAL, SWIVEL BRACKET (TILT LOCK) Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	26-22734
23	WASHER, TILT LOCK (STARBOARD SIDE ONLY) Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	12-76388
24	"O" RING, TILT LOCK Comment: MERC 850 LONG UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	25-627021
25	COTTER PIN, TILT LOCK	18-47959
26	REVERSE LOCK ASSEMBLY	87431
27	SPRING, REVERSE LOCK TENSION	24-29821
28	SHAFT, REVERSE LOCK PIVOT	56349
29	COTTER PIN, REVERSE LOCK TO SHAFT	18-45882
30	PIN, LOWER SHOCK MOUNTING (MERC 850XS)	55-696531
30	PIN, LOWER SHOCK MOUNTING MERC 850 LONG Comment: MERC 850 LONG	55-28414
31	SCREW, LOWER SHOCK PIN (2") Comment: MERC 850 LONG	10-21937
32	NUT, LOWER SHOCK PIN SCREW Comment: MERC 850 LONG	11-8M0207775
33	SHOCK ABSORBER	55-58780A7
34	SPACER, UPPER SHOCK BUSHING TO CLAMP BRACKET	23-73203
35	WASHER, UPPER BUSHING RETAINER (INNER)	12-28196
36	BUSHING, RUBBER - SHOCK ABSORBER (UPPER)	23-32171
37	BUSHING, RUBBER - SHOCK ABSORBER (LOWER)	23-28198
38	WASHER, UPPER AND LOWER BUSHING (OUTER) Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	12-8M0204648
39	SCREW, UPPER AND LOWER SHOCK MOUNTING IPN (3/4") Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	10-69375A1
38	WASHER, UPPER/LOWER SHOCK MOUNTING PIN (LOWER) Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	12-69374
39	SCREW, UPPER AND LOWER SHOCK MOUNTING PIN Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	10-69375
40	COVER, UPPER AND LOWER SHOCK MOUNTING PIN Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	70679
41	SCREW, COVER TO SHOCK MOUNTING SCREWS (1/2") Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	10-37655

COWLING AND FRONT COVER

Below is the parts list for Mercury 850 (4 CYL.) COWLING AND FRONT COVER:

Position No.	Part Name	OEM Number
1	COWL FRONT COVER ASSEMBLY	2182-7927A8
2	KNOB, COWL FRONT COVER FASTENING	73786
3	WASHER, COVER FASTENING KNOB (RUBBER)	12-30771
4	WASHER, COVER FASTENING KNOB (STEEL)	12-75246
5	SPRING, TENSION - COVER FASTENING KNOB	24-30772
6	ROLL PIN, TENSION SPRING TO KNOB	17-29077
7	ROPE, STARTER (FOR MANUAL STARTING ONLY)	47341A11
8	SEAL, SOUND ABSORBING	71040
9	BLANKET, SOUND ABSORBING	38674
10	SEAL, SOUND - UPPER	54143
11	WRAP AROUND COWL ASSEMBLY	2119-3248A16
12	COWL LATCH ASSEMBLY	46785A1
13	HOOK, COWL LATCH FASTENING	30413
--	GLUE, ADHESIVE - SOUND BLANKET FASTENING	92-86166Q1

CRANKSHAFT, PISTON AND CONNECTING ROD

Below is the parts list for Mercury 850 (4 CYL.) CRANKSHAFT, PISTON AND CONNECTING ROD:

Position No.	Part Name	OEM Number	Supersedes
1	CRANKSHAFT ASSEMBLY	440-9074A2
2	BEARING, BALL - UPPER	30-62567T
3	BEARING, BALL - LOWER	30-63742T
4	CARRIER ASSEMBLY	54196A6
5	PACKING, CARRIER	65800
6	MAIN BEARING ASSEMBLY (VALVE TYPE)	540-5266T5
7	DOWEL PIN, MAIN BEARING	17-20032
8	SCREW, MAIN BEARING CLAMPING	10-45775
9	NUT, MAIN BEARING CLAMPING SCREW	11-45774
10	REED SET, MATCHED - MAIN BEARING	34-56007A1
11	REED STOP, MAIN BEARING REED VALVES	34-56008
12	SCREW, REED STOP MOUNTING	10-62204
13	NUT, REED STOP MOUNTING SCREW	11-53153
14	CENTER MAIN BEARING ASSEMBLY	535-5397A4
15	DOWEL PIN, CENTER MAIN BEARING	17-20032
16	BEARING, NEEDLE	29-714221
17	RACE, OUTER (PAIR)	26113T
18	RING, SNAP - OUTER RACE CLAMPING	53-26933
19	SCREW, CENTER MAIN BEARING CLAMPING	10-22968
20	NUT, MAIN BEARING CLAMPING SCREW	11-8M0207775
21	DOWEL PIN, (STEPPED)	17-47246
22	PISTON AND PISTON PIN ASSEMBLY	774-9137A12
23	LOCK RING, PISTON PIN	53-857196	40-52035
24	RING, PISTON	39-78816A12
25	CONNECTING ROD AND CAP ASSEMBLY	624-8101A3
26	SCREW, CAP TO CONNECTING ROD	10-54803
27	NUT, CONNECTING ROD SCREW	11-49091
28	BEARING ASSEMBLY. CRANKPIN	31-62596A1
29	BEARING, NEEDLE - PISTON PIN	29-8M0214934
30	WASHER, NEEDLE LOCATING	12-8M0032839	12-47247

CYLINDER BLOCK AND CRANKCASE ASSEMBLY

Below is the parts list for Mercury 850 (4 CYL.) CYLINDER BLOCK AND CRANKCASE ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER BLOCK AND CRANKCASE ASSEMBLY	871-8338A3
2	GASKET, CRANKCASE TO CYLINDER BLOCK	27-53650
3	COVER, STARTER MOTOR (UPPER)	56029T
4	SCREW, COVER TO CRANKCASE (1 3/8")	10-31984
4	SCREW, COVER TO CRANKCASE (1 3/4")	10-35385
5	LOCKWASHER, COVER SCREW	13-8M0204647
6	COVER, STARTER MOTOR (LOWER)	76867
7	SCREW, COVER TO CRANKCASE (1 7/8")	10-73279
7	SCREW, COVER TO CRANKCASE (5 1/2")	10-73658
8	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1 7/8")	16-64281
9	PIN, DOWEL - CRANKCASE TO CYLINDER BLOCK	17-43044
10	PIN, DOWEL - CYLINDER BLOCK TO MAIN BEARING	17-63779
11	RESTRICTOR, CRANKCASE BLEED	66517
12	STUD, CYLINDER BLOCK TO EXHAUST EXTENSION PLATE (4")	16-64282
13	SCREW, CRANKCASE TO CYLINDER BLOCK (2 3/4")	10-57841
13	SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/4")	10-74824
14	SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2")	10-73657
15	SCREW, CENTER MAIN BEARING LOCKING (1")	10-20359
16	TAB WASHER, BEARING LOCKING SCREW	14-20091
17	CHECK VALVE ASSEMBLY, BLEED HOSE - TOP	21-42866
18	CHECK VALVE ASSEMBLY	21-42657A3
19	HOSE, CYLINDER BLEED (15 1/2")	32-9938779
20	CHECK VALVE ASSEMBLY, BLEED HOSE - BOTTOM	21-428671
21	ELBOW, BALANCE HOSE TO CYLINDER BLOCK - UPPER	22-20781
22	HOSE ASSEMBLY, BALANCE (6 1/4")	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
23	TEE, BALANCE HOSE TO CYLINDER BLOCK - LOWER	22-130342
24	HOSE, BALANCE (5")	32-9938779
25	FITTING, AIR INLET COVER	22-56759

DRIVE SHAFT HOUSING ASSEMBLY

Below is the parts list for Mercury 850 (4 CYL.) DRIVE SHAFT HOUSING ASSEMBLY:

Position No.	Part Name	OEM Number
1	DRIVE SHAFT HOUSING ASSEMBLY (MERC 850XS)	1575-5240A4
1	DRIVE SHAFT HOUSING ASSEMBLY (MERC 850 LONG)	1573-5239A4
2	STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING (2 11/16")	16-56295
3	PLUG, PLASTIC - TRIM TAB SCREW HOLE	19-64649
4	COVER, TRIM - DRIVE SHAFT HOUSING	37417
5	SCREW, TRIM COVER TO BOTTOM COWL (3/4")	10-57807
6	GROMMET, TRIM COVER SCREW	25-92012
7	GROUND STRAP ASSEMBLY, TRIM COVER SCREW	46933A2
8	SCREW, GROUND STRAP ATTACHINGS	10-62568
9	TUBE, WATER INLET (MERC 850XS)	32-62864
9	TUBE, WATER INLET (MERC 850 LONG)	32-60897
10	TUBE, EXHAUST (MERC 850XS)	65370
10	TUBE, EXHAUST (MERC 850 LONG)	78184T
11	BOOT, EXHAUST TUBE	65638
12	GUIDE, PUSH ROD- REVERSE LOCKING	52887
13	ROD, PUSH - REVERSE LOCK (MERC 850XS)	47591
13	ROD, PUSH - REVERSE LOCK (MERC 850 LONG)	47558
14	NUT, JAM - PUSH ROD	11-69254
15	YOKE, PUSH ROD	47559
16	PIN, PUSH ROD TO REVERSE LOCK	24-78203A2
17	COTTER PIN, PUSH ROD PIN	18-25191
18	MOUNT, RUBBER - UPPER (MERC 850XS)	75297
18	MOUNT, RUBBER - UPPER (MERC 850 LONG)	75296
19	WASHER, RUBBER - UPPER MOUNT BOLT	12-47840
20	WASHER, UPPER MOUNT BOLT	12-31263
21	NUT, UPPER MOUNT BOLT	11-8M0204653
22	MOUNT, RUBBER - LOWER (MERC 850XS)	75300
22	MOUNT, RUBBER - LOWER (MERC 850 LONG)	75298
23	SCREW, UPPER MOUNT ( 5 1/2")	10-75284
24	MOUNT, RUBBER - LOWER (MERC 850XS)	66336
25	NUT, MOUNT SCREW	11-25096
26	BUMPER, RUBBER - MOUNTING SCREW	25067
27	NUT, GEAR HOUSING AND DRIVE SHAFT HOUSING STUDS	11-8M0204653
28	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS	12-45176
29	NUT, GEAR HOUSING AND DRIVE SHAFT HOUSING STUDS	11-29489
30	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS	12-45176
31	CLAMP, LOWER MOUNT TO DRIVE SHAFT HOUSING	35608
32	SPRING, TENSION - LOWER MOUNT CLAMP	24-35522
33	SCREW, LOWER MOUNT CLAMP TO DRIVE SHAFT HOUSING (7/8")	10-29256
34	COVER, LOWER MOUNT CLAMP	35474T
35	NUT, LOWER MOUNT CLAMP COVER	11-35521
36	SCREW, COVER TO LOWER CLAMP MOUNT (5/8")	10-29722

END CAPS, MANIFOLD AND EXHAUST COVER

Below is the parts list for Mercury 850 (4 CYL.) END CAPS, MANIFOLD AND EXHAUST COVER:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER BLOCK AND CRANKCASE ASSEMBLY	871-8338A3
2	END CAP ASSEMBLY, UPPER	1161-5940A2
3	OIL SEAL	26-41953
4	"O" RING	25-47254
5	SHIM ASSEMBLY, END CAP TO CRANKCASE (.006-8-10)	15-73644A1
6	SCREW, END CAP MOUNTING (1")	10-812618	10-73169, 10-847568
7	POINTER, TIMING Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	43352
7	POINTER, TIMING Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	43352
8	SCREW, TIMING POINTER ATTACHING (3/4")	10-65746
9	WASHER, TIMING POINTER SCREW	12-20533
10	END CAP ASSEMBLY, LOWER	1148-5410T1
11	OIL SEAL	26-41953
12	"O" RING	25-32546
13	SHIM, END CAP TO CRANKCASE (.002-3-5-10)	15-20085A1
14	SCREW, END CAP MOUNTING (1")	10-30225
15	GASKET, WATER JACKET COVER	27-73665
16	COVER, WATER JACKET - CYLINDER BLOCK Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	76198
16	COVER, WATER JACKET - CYLINDER BLOCK Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	76198
17	SCREW, WATER JACKET COVER TO CYLINDER BLOCK (7/8")	10-53167T
18	WASHER, WATER JACKET COVER FASTENING SCREW	12-8M0042642	12-70132
19	GASKET, CYLINDER BLOCK TO BAFFLE PLATE	27-854981
20	PLATE, BAFFLE - EXHAUST MANIFOLD	73436
21	GASKET, BAFFLE PLATE TO EXHAUST MANIFOLD COVER	27-854961
22	COVER, EXHAUST MANIFOLD	78277A1
23	SCREW, MANIFOLD COVER MOUNTING (1 1/8")	10-53576
24	COVER, CYLINDER BLOCK	1021-7699
25	GASKET, CYLINDER BLOCK COVER	27-85493
26	SCREW, CYLINDER BLOCK COVER MOUNTING (1")	10-8M0214943
27	COVER, TRANSFER PORT -TOP	733201
27	COVER, TRANSFER PORT - BOTTOM	87872
28	GASKET, TRANSFER PORT COVER	27-73645
29	SCREW, TRANSFER PORT COVER MOUNTING (3/4")	10-49668
30	BRACKET, MOUNT SUPPORT - CYLINDER BLOCK	37440
31	SCREW, BRACKET TO CYLINDER BLOCK (1")	10-35386
32	GROUND STRAP ASSEMBLY, EXHAUST COVER SCREW	46933A3
33	SCREW, GROUND STRAP ATTACHING (3/8")	10-62568

EXHAUST EXTENSION PLATE

Below is the parts list for Mercury 850 (4 CYL.) EXHAUST EXTENSION PLATE:

Position No.	Part Name	OEM Number
1	PLATE ASSEMBLY, EXHAUST EXTENSION	43289A2
2	BUSHING, NYLON - EXHASUT EXTENSION PLATE	23-27132
3	DOWEL PIN, EXHAUST EXTENSION PLATE	17-23784
4	SEAL, EXHAUST EXTENSION PLATE	37918
5	STRIP, RETAINING - EXHAUST EXTENSION PLATE	99358
6	SCREW, SEAL AND RETAINING STRIP TO EXH. PLATE (1/2")	10-37571
7	GASKET, POWERHEAD TO EXHAUST EXTENSION PLATE	27-692381
8	SCREW, ADAPTOR PLATE TO HOUSING PLATE (2")	10-66023
9	SCREW, HOUSING PLATE TO DRIVE SHAFT HOUSING (2")	10-66023
10	NUT, CRANKCASE STUDS TO EXHAUST EXTENSION PLATE	11-69254
11	WASHER, CRANKCASE STUDS TO EXHAUST EXTENSION PLATE	12-20553
12	GASKET, PLATE TO DRIVE SHAFT HSG. PLATE	27-661021
13	SEAL, DRIVE SHAFT HOUSING PLATE	26-60898
14	PLATE ASSEMBLY, DRIVE SHAFT HOUSING	43290A4
15	SEAL, RUBBER - WATER INLET TUBE ( DRIVE SHAFT HSG. PLATE)	26-38970
16	DOWEL PIN, DRIVE SHAFT HOUSING PLATE	17-23784
17	GASKET, DRIVE SHAFT HOUSING PLATE TO EXHAUST TUBE	27-69860
18	EXHAUST TUBE	99698
19	SCREW, EXHAUST TUBE TO DRIVE SHAFT HOUSING PLATE (3/4")	10-65414
20	LOCKWASHER, EXHAUST TUBE SCREW	13-26992
21	WASHER, POWERHEAD STUDS	12-20553
22	NUT, POWERHEAD STUDS	11-82671013

FLYWHEEL, STATOR AND IGNITION COIL

Below is the parts list for Mercury 850 (4 CYL.) FLYWHEEL, STATOR AND IGNITION COIL:

Position No.	Part Name	OEM Number	Supersedes
1	NUT, FLYWHEEL	11-52901
2	WASHER, FLYWHEEL NUT	12-33001
3	PLUG, FLYWHEEL PULLER THREADS	19-45907
4	FLYWHEEL ASSEMBLY Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	248-8722A6
4	FLYWHEEL ASSEMBLY Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	248-8722A6
5	SCREW, PLATE/HUB TO FLEXIBLE PLATE (3/4")	10-68997
6	SCREW, FLEXIBLE PLATE TO FLYWHEEL (5/8")	10-32417
7	PLATE, SWITCH BOX	90332
8	GROMMET, SWITCH BOX PLATE	25-57009001
9	SCREW, SWITCH BOX PLATE TO CYLINDER BLOCK (3/4")	10-824941	10-59645, 10-73274
10	WASHER, SWITCH BOX PLATE SCREW	12-56720
11	"J" CLIP, SWITCH BOX WIRES AND FUEL LINE	54-47483
12	SWITCH BOX ASSEMBLY	332-5772A7
13	SCREW, SWITCH BOX TO PLATE (1 3/8")	10-20619
14	WIRE ASSEMBLY	84-65999A5
15	LOCKWASHER, SWITCH BOX TERMINAL	13-26996
16	NUT, SWITCH BOX TERMINAL	11-45076
17	MERCURY SWITCH ASSEMBLY	58124A19
18	SCREW, MERCURY SWITCH TO PLATE (1/2")	10-37571
19	TERMINAL BLOCK	86-66986
20	SCREW, TERMINAL BLOCK TO PLATE (5/8")	10-38055
21	SCREW, WIRE TO TERMINAL BLOCK (1/2")	10-37655
22	CLIP, WIRES AND HARNESS	54-23567
23	SCREW, CLIP TO PLATE (3/8")	10-62568
24	"D" WASHER, CLIP SCREW	8M0084613	69205
25	COVER, SWITCH BOX Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	73407
26	SCREW, COVER TO PLATE (1/2") Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	10-20616
27	WASHER, COVER SCREW Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	12-20533
28	"J" CLAMP, TRIGGER PLATE HARNESS	54-47483
29	PLATE, MOUNTING - IGNITION COIL	73395
30	SCREW, MOUNTING PLATE TO CRANKCASE (7/8")	10-28668
31	IGNITION COIL ASSEMBLY	300-8M0166172
32	LOCKWASHER, IGNITION COIL TERMINAL	13-26996
33	NUT, IGNITION COIL TERMINAL	11-45076
34	COVER, IGNITION COIL	87554
35	SCREW, COVER TO MOUNTING PLATE (2")	10-88856
36	WASHER, COVER SCREW	12-30164
37	CLIP, NYLON - IGNITION COIL COVER SCREW	54-22740
38	STATOR ASSEMBLY	398-5454A26
39	SCREW, STATOR TO UPPER END CAP (7/8")	10-63136
40	TRIGGER PLATE ASSEMBLY SEE NOTE ON GRID E4 Comment: SEE NOTE ON GRID E4	96453A2
41	HARNESS ASSEMBLY, IGNITION COIL Comment: SEE NOTE ON GRID E4	84-73362A1
42	HARNESS, GROUNDING	84-74901
43	CLAMP, HARNESS ATTACHING	54-28700
44	SCREW, CLAMP TO CRANKCASE (1/2")	10-48408
45	WASHER, HARNESS CLAMP SCREW	12-8M0204666
46	WIRE ASSEMBLY, SPARK PLUB	84-813715A1
47	BOOT, IGNITION COIL END	332-2854T01
48	SPARK PLUG (AC#V40FFM)	33-896329827	33-827C
49	CLAMP, SPARK PLUG WIRE	54-45806
50	SCREW, CLAMP TO EXHAUST MANIFOLD COVER (1/2")	10-48408
51	"D" WASHER, CLAMP SCREW	8M0084613	69205
52	RETAINER, SPARK PLUG WIRE	63319
53	SCREW, RETAINER TO CYLINDER BLOCK COVER (1")	10-46378
54	NUT, RETAINER SCREW	11-20013

FUEL PUMP AND FUEL LINES

Below is the parts list for Mercury 850 (4 CYL.) FUEL PUMP AND FUEL LINES:

Position No.	Part Name	OEM Number	Supersedes
1	FUEL PUMP ASSEMBLY	73434A5
2	CHECK VALVE ASSEMBLY	21-8M0084276	21-30430A13
3	DIAPHRAGM ASSEMBLY	55278A5
4	GASKET, CHECK VALVE (#)
5	GASKET, FUEL PUMP (#)
6	RETAINER, CHECK VALVE	23004
7	SCREW, CHECK VALVE TO FUEL PUMP (1/4")	10-43725
8	FUEL FILTER	35-73532
9	"O" RING, COVER TO FUEL PUMP	25-35480
10	COVER, FUEL PUMP	35-14805A2
11	SCREW, COVER TO FUEL PUMP (5/8")	10-37370
12	GASKET, COVER SCREW	27-25848
13	SCREW, FUEL PUMP TO UPPER TRANSFER COVER (1 7/8")	10-70939
13	SCREW, FUEL PUMP TO UPPER TRANSFER COVER (1 3/8")	10-69067
14	FITTING, FUEL PUMP (OUTLET)	22-64705
15	FUEL LINE, TEE TO FUEL PUMP (11")	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
16	TEE, FUEL LINE	22-73318
17	FUEL LINE, CARBURETOR TO TEE TO CARBURETOR (3")	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
18	CLAMP, FUEL LINE ATTACHING	54-68424
19	FUEL LINE, ADAPTOR TO FUEL PUMP (15")	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
20	FITTING, FUEL LINE TO ADAPTOR	22-63187
21	ADAPTOR, CHECK UNIT (FUEL LINE)	22833
22	STEM, CHECK UNIT ADAPTOR	23069
23	"O" RING, ADAPTOR STEM	25-16524
24	SPRING, ADAPTOR STEM	24-23067T
25	CUP WASHER, ADAPTOR	30188
26	SCREW, ADAPTOR TO BOTTOM COWL (1 3/4")	10-69029
27	NUT, ADAPTOR SCREW	11-36069

GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #1) (PAGE 1)

Below is the parts list for Mercury 850 (4 CYL.) GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #1) (PAGE 1):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850XS) SEE NOTE BELOW	1623-7339A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850 LONG)SEE NOTE BEL	1655-7333A25
1	GEAR HOUSING ASSEMBLY (MERC 850XS)	1623-7339A5
1	GEAR HOUSING ASSEMBLY ( MERC 850 LONG)	1623-6052A4
2	SLEEVE, LUBRICATION	23-56513
3	PIN, GEAR HOUSING	17-8M0084726	17-85500
4	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (4")	16-57921
5	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (2 1/16")	16-8M0133358
6	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING(3 3/8")	16-8M0034463	16-56297 2
7	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3 1/8")	16-306671
8	BEARING, ROLLER - DRIVE SHAFT	31-32898T
9	DRIVE SHAFT ASSEMBLY (MERC 850XS)	45-59117A1
9	DRIVE SHAFT ASSEMBLY (MERC 850 LONG)	45-59116A1
10	SPRING, COMPRESSION - DRIVE SHAFT	24-34576
11	PIN, COMPRESSION SPRING RETAINING	17-30545
12	GEAR, PINION - DRIVE SHAFT	43-56518
13	NUT, PINION GEAR TO DRIVE SHAFT	11-35921
14	SHIM, TAPERED ROLLER BEARING TO GEAR HOUSING (.002-3-5-10)	15-57007A1
15	TAPERED ROLLER BEARING ASSEMBLY, DRIVE SHAFT	31-33138A1
16	GASKET, WATER PUMP BASE TO GEAR HOUSING	27-8M0214962
17	"O" RING, WATER PUMP BASE	25-8M0214923
18	WATER PUMP BASE ASSEMBLY (MERC 850XS)	46-58618A1
18	WATER PUMP BASE ASSEMBLY (MERC 850 LONG)	46-73802A1
19	OIL SEAL, WATER PUMP BASE	26-94038
20	OIL SEAL, WATER PUMP BASE	26-55682
21	DOWEL PIN, WATER PUMP BASE TO WATER PUMP	17-35973
22	GASKET, LOWER - WATER PUMP BASE TO FACE PLATE	27-8M0090319	27-85608 1
23	PLATE, FACE - WATER PUMP BASE TO WATER PUMP BODY	8M0204677
24	GASKET, UPPER - FACE PLATE TO WATER PUMP BODY	27-858524	27-85609 1, 27-85609B 1
25	WATER PUMP BODY ASSEMBLY	46-96148T1
26	INSERT, WATER PUMP BODY	48752T
28	SEAL, RUBBER - WATER INLET TUBE	26-38970
29	IMPELLER, WATER PUMP	47-89984T4
30	KEY, IMPELLER DRIVE	28-8M0214992
31	SCREW, WATER PUMP BODY TO GEAR HOUSING (2 1/4")	10-30720
32	LOCKWASHER, WATER PUMP BODY SCREW	13-26992
33	WASHER, WATER PUMP BODY FASTENING SCREW AND STUD	12-8M0204649
34	NUT, WATER PUMP BODY FASTENING STUD	10-69069
35	WASHER, WATER PUMP BODY FASTENING STUD	12-36001
36	NUT, WATER PUMP BODY FASTENING STUD	11-826709111	11-45592
37	RING, RUBBER - CENTRIFUGAL SLINGER (DRIVE SHAFT)	25-8M0214918
38	SLEEVE, GUIDE - WATER INLET TUBE	23-29804T
39	SEAL, EXHAUST TUBE	37641001
40	PLATE, SUPPORT - EXHAUST TUBE SEAL	38051
41	SHAFT ASSEMBLY, SHIFT - LOWER	76062A1
42	"E" RING, RETAINING - LOWER SHIFT SHAFT	53-29641
43	"O" RING, SHIFT SHAFT BUSHING	25-25439
44	BUSHING ASSEMBLY, SHIFT SHAFT	23-77631A2
45	OIL SEAL, SHIFT SHAFT BUSHING (LOWER)	23-25490
45	OIL SEAL, SHIFT SHAFT BUSING (UPPER)	26-892361
46	WASHER, RUBBER - SHIFT SHAFT BUSHING	12-31266
47	SPACER, LOWER - REVERSE LOCKING	78036
48	CAM, REVERSE LOCKING	43308T1
49	SCREW, GREASE FILLER	10-79953Q04
49	PLUG, DRAIN (MAGNETIC)	22-8M0058389	22-67892A06
50	WASHER, GREASE FILLER AND VENT HOLE SCREW	12-191833
51	PLUG, GEAR HOUSING FLUSHING HOLE MERC 850XS	19-48750
52	WASHER, GEAR HOUSING FLUSHING HOLE PLUG MERC 850XS	12-8M0204663

GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #1) (PAGE 2)

Below is the parts list for Mercury 850 (4 CYL.) GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #1) (PAGE 2):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850XS)SEE NOTE BELOW	1623-7339A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850 LONG) SEE NOTE BEL	1655-7333A25
1	GEAR HOUSING ASSEMBLY (MERC 850XS) SEE PAGE 34 FOR BREAKDOW	1623-7339A5
1	GEAR HOUSING ASSEMBLY (MERC 850 LONG)SEE PG 34 FOR BREAKDO	1623-6052A4
53	CAM, SHIFT	760394
54	FOLLOWER, CAM	30625
55	SLIDE, CROSS PIN	30624
56	SPRING, COMPRESSION - CAM FOLLOWER	24-30622
57	SHIM, BEARING OUTER RACE TO GEAR HSG. (.002-3-5-10)	15-30923A1
58	TAPERED ROLLER BEARING ASSEMBLY	31-30894A1
59	BEARING, ROLLER - FORWARD GEAR	31-30895T
60	FORWARD GEAR ASSEMBLY	43-56517T3
61	RATCHET, SLIDING CLUTCH	52-822539T	52-822539, 52-814756, 52-12777
62	PIN, CROSS - RATCHET TO PROPELLER SHAFT	17-8M0100263	17-8M0084681, 17-8M0020941, 17-30632
63	SPRING, RETAINING - CROSS PIN	24-30893
64	SHAFT, PROPELLER	44-93003
65	REVERSE GEAR ASSEMBLY	43-56516T
66	WASHER, THRUST - BEARING CARRIER TO GEAR HOUSING	12-71143A1
67	BEARING, BALL - REVERSE GEAR	30-31265
68	"O" RING, BEARING CARRIER	25-29976
69	BEARING CARRIER ASSEMBLY (MERC 850XS)	73800A1
69	BEARING CARRIER ASSEMBLY (MERC 850 LONG)	52132T1
70	BEARING, ROLLER - BEARING CARRIER	31-30956T
71	OIL SEAL, BEARING CARRIER	26-8M0204670
72	"O" RING, BEARING CARRIER (MERC 850XS)	25-32546
73	KEY, LOCATING - BEARING CARRIER	28-30281
74	TAB WASHER, GEAR HOUSING COVER	14-52700
75	COVER, GEAR HOUSING	52699
76	TRIM TAB ASSEMBLY, GEAR HOUSING	97-31640Q4
77	SCREW, TRIM TAB TO GEAR HOUSING (1 3/4")	10-66024
78	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS	12-45176
79	NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS	11-8M0204653
80	SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (1")	10-65210
81	THRUST HUB	65091Q01
82	WASHER, SPLINED - PROPELLER NUT	12-31211Q03
83	TAB WASHER, PROPELLER NUT	14-816629Q	14-816629, 14-31210, 14-816629B
84	NUT, PROPELLER	11-52707Q1

GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #2) (PAGE 1)

Below is the parts list for Mercury 850 (4 CYL.) GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #2) (PAGE 1):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850XS) SEE NOTE BELOW	1623-7339A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850 LONG) SEE NOTE BEL	1655-7333A25
1	GEAR HOUSING ASSEMBLY (MERC 850XS)	1623-7339A1
1	GEAR HOUSING ASSEMBLY ( MERC 850 LONG)	1655-7333T23
2	DOWEL PIN, GEAR HOUSING LOCATING	17-8M0084726	17-85500
3	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (4")	16-57921
4	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (2 1/16")	16-8M0133358
5	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3 3/8")	16-8M0034463	16-56297 2
6	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3 1/8")	16-306671
7	BEARING, ROLLER - DRIVE SHAFT	31-32898T
8	DRIVE SHAFT ( MERC 850XS)	45-69250
8	DRIVE SHAFT (MERC 850 LONG)	45-42646
9	GEAR, PINION - DRIVE SHAFT	43-75316T
10	NUT, PINION GEAR TO DRIVE SHAFT	11-35921
11	SPACER, ROLLER BEARING TO WATER PUMP BASE	23-70412
11	SHIM, ROLLER BEARING TO WATER PUMP BASE	15-57007A1
12	ROLLER BEARING, DRIVE SHAFT	31-69220T
14	GASKET, WATER PUMP BASE TO GEAR HOUSING	27-8M0214962
15	"O" RING, WATER PUMP BASE	25-8M0214923
16	WATER PUMP BASE ASSEMBLY (MERC 850XS)	46-69222A1
16	WATER PUMP BASE ASSEMBLY (MERC 850 LONG)	46-96146A5
17	OIL SEAL, WATER PUMP BASE	26-94038
18	OIL SEAL, WATER PUMP BASE	26-16977
19	DOWEL PIN, WATER PUMP BASE TO WATER PUMP BODY	17-35973
20	GASKET, LOWER - WATER PUMP BASE TO FACE PLATE	27-8M0090319	27-85608 1
21	PLATE,FACE - WATER PUMP BASE TO WATER PUMP BODY	8M0204677
22	GASKET, UPPER - FACE PLATE TO WATER PUMP BODY	27-858524	27-85609 1, 27-85609B 1
23	WATER PUMP BODY ASSEMBLY	46-96148T1
24	INSERT, WATER PUMP BODY	48752T
26	SEAL, RUBBER - WATER INLET TUBE	26-38970
27	IMPELLER, WATER PUMP	47-89984T4
28	KEY, IMPELLER DRIVE	28-8M0214992
29	SCREW, WATER PUMP BODY TO GEAR HOUSING (2 1/4")	10-30720
30	LOCKWASHER, WATER PUMP BODY SCREW	13-26992
31	WASHER, WATER PUMP BODY FASTENING SCREW AND STUD	12-8M0204649
32	NUT, WATER PUMP FASTENING SCREW	11-36069
33	WASHER, WATER PUMP BODY FASTENING STUD	12-36001
34	NUT, WATER PUMP BODY FASTENING STUD	11-826709111	11-45592
35	RING, RUBBER - CENTRIFUGAL SLINGER (DRIVE SHAFT)	25-8M0214918
36	SLEEVE, GUIDE - WATER INLET TUBE	23-29804T
37	SEAL, EXHAUST TUBE	37641001
38	PLATE, SUPPORT - EXHAUST TUBE SEAL	38051
39	SHAFT ASSEMBLY, SHIFT - LOWER	76062A1
40	"E" RING, RETAINING -SHIFT SHAFT	53-29641
41	"O" RING, SHIFT SHAFT BUSHING	25-25439
42	BUSHING ASSEMBLY, SHIFT SHAFT	23-77631A2
43	OIL SEAL, SHIFT SHAFT HOUSING (LOWER)	26-24590
43	OIL SEAL, SHIFT SHAFT HOUSING (UPPER)	26-892361
44	WASHER, RUBBER - SHIFT SHAFT BUSHING	12-31266
45	SPACER, LOWER - REVERSE LOCKING	78036
46	CAM, REVERSE LOCKING	43308T1
47	SCREW, GREASE FILLER AND VENT HOLE	10-79953Q04
47	SCREW, DRAIN (MAGNETIC)	22-8M0058389	22-67892A06
48	WASHER, GREASE FILLER AND VENT HOLE SCREW	12-191833
49	PLUG, GEAR HOUSING FLUSHING HOLE MERC 850XS	19-48750
50	WASHER, GEAR HOUSING FLUSHING HOLE PLUG MERC 850XS	12-8M0204663

GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #2) (PAGE 2)

Below is the parts list for Mercury 850 (4 CYL.) GEAR HOUSING ASSEMBLY, COMPLETE (SERIAL GROUP #2) (PAGE 2):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850XS) SEE NOTE BELOW	1623-7339A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (MERC 850 LONG)SEE NOTE BEL	1655-7333A25
1	GEAR HOUSING ASSEMBLY (MERC 850XS) SEE PAGE 38 FOR BREAKDOW	1623-7339A1
1	GEAR HOUSING ASSEMBLY (MERC 850 LONG) SEE PAGE 38 FOR BREAK	1655-7333T23
51	CAM, SHIFT	760394
52	FOLLOWER, CAM	30625
53	SLIDE, CROSS PIN	30624
54	SPRING, COMPRESSION - CAM FOLLOWER	24-30622
55	SHIM, BEARING OUTER RACE TO GEAR HSG. (.002-3-5-10)	15-30923A1
56	TAPERED ROLLER BEARING ASSEMBLY	31-30894A1
57	BEARING, ROLLER - FORWARD GEAR	31-30895T
58	FORWARD GEAR ASSEMBLY	43-75314T2
59	RATCHET, SLIDING CLUTCH	52-822539T	52-822539, 52-814756, 52-12777
60	PIN, CROSS - RATCHET TO PROPELLER SHAFT	17-8M0100263	17-8M0084681, 17-8M0020941, 17-30632
61	SPRING, RETAINING - CROSS PIN	24-30893
62	SHAFT, PROPELLER	44-93003
63	REVERSE GEAR ASSEMBLY	43-75315
65	WASHER, THRUST - BEARING CARRIER TO GEAR HOUSING	12-71143A1
66	BEARING, BALL - REVERSE GEAR	30-31265
67	"O" RING, BEARING CARRIER	25-29976
68	BEARING CARRIER ASSEMBLY (MERC 850XS)	73800A1
68	BEARING CARRIER ASSEMBLY (MERC 850 LONG)	52132T1
69	BEARING, ROLLER - BEARING CARRIER	31-30956T
70	OIL SEAL, BEARING CARRIER	26-8M0204670
--	"O" RING, BEARING CARRIER (MERC 850XS)	25-32546
71	KEY, LOCATING - BEARING CARRIER	28-30281
72	TAB WASHER, GEAR HOUSING COVER	14-52700
73	COVER, GEAR HOUSING	52699
74	TRIM TAB, GEAR HOUSING	97-31640Q4
75	SCREW, TRIM TAB TO GEAR HOUSING (1 3/4")	10-66024
76	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS	12-45176
77	NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS	11-8M0204653
78	SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (1")	10-65210
79	THRUST HUB	65091Q01
81	WASHER, SPLINED - PROPELLER NUT	12-31211Q03
82	TAB WASHER, PROPELLER NUT	14-816629Q	14-816629, 14-31210, 14-816629B
83	NUT, PROPELLER	11-52707Q1

MISCELLANEOUS PARTS/ACCESSORIES

Below is the parts list for Mercury 850 (4 CYL.) MISCELLANEOUS PARTS/ACCESSORIES:

Position No.	Part Name	OEM Number
-	MERC 850 PARTS MANUAL	90-74963
-	GASKET SET	27-73645A87
-	DECAL SET (MERC 850) Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	37-76372A77
-	DECAL SET (MERC 850) Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	37-76372A77
-	DECAL SET (MERC 850XS)	37-74300A76

OVERSIZE PISTON AND RING

Below is the parts list for Mercury 850 (4 CYL.) OVERSIZE PISTON AND RING:

Position No.	Part Name	OEM Number	Supersedes
--	PISTON AND PISTON PIN ASSEMBLY (.105)	774-9137A13
--	RING, PISTON (.015)	39-78811A12

STARTER MOTOR AND WIRING HARNESS

Below is the parts list for Mercury 850 (4 CYL.) STARTER MOTOR AND WIRING HARNESS:

Position No.	Part Name	OEM Number	Supersedes
1	STARTER MOTOR	50-893891T	50-66015T 1
2	COLLAR, RUBBER - STARTER MOTOR	23-8M0034918	23-8M0001391, 56703
3	SPACER, COLLAR TO BRACKET	23-56774
4	STOP, RUBBER - STARTER MOTOR	8M0043376	68042
5	WIRE ASS'Y, STARTER MOTORE/STARTER SOLENOID (YELLOW)	84-93389A1
6	LOCKWASHER, STARTER MOTOR TERMINAL	13-26992
7	NUT, STARTER MOTOR TERMINAL	11-64015
8	SCREW, WIRING HARNESS TO STARTER MOTOR (5/8")	10-69035
9	RECTIFIER ASSEMBLY	8M0058226	816770T, 816770, 62351A 1, 83-70350A 1, 83-70350A 3
10	SCREW, RECTIFIER TO PLATE (5/8")	10-37656
11	WASHER, RECTIFIER SCREW	12-30164
12	LOCKWASHER, RECTIFIER TERMINAL	13-26996
13	NUT, RECTIFIER TERMINAL	11-45076
14	STARTER SOLENOID	89-853654A1
15	LOCKWASHER, SOLENOID TERMINAL	10,13-26996
16	NUT, SOLENOID TERMINAL	10,11-68219
17	LOCKWASHER, SOLENOID TERMINAL (5/16")	13-8M0204647
18	NUT, SOLENOID TERMINAL (5/16")	11-8M0204668
19	BOOT, TERMINAL - STARTER SOLENOID	46265
20	SCREW, SOLENOID TO BOTTOM COWL (5/8")	10-38601
21	WASHER, SOLENOID SCREW	13-26992
22	WIRING HARNESS (INTERNAL)	84-73369A1
23	SPRING, GARTER - INTERNAL WIRING HARNESS	24-28975
24	CLAMP, WIRING HARNESS	54-76368
25	SCREW, WIRING HARNESS CLAMP TO BOTTOM COWL (7/8")	10-690201
26	WASHER, WIRING HARNESS CLAMP SCREW	12-30164

SWIVEL BRACKET ASSEMBLY

Below is the parts list for Mercury 850 (4 CYL.) SWIVEL BRACKET ASSEMBLY:

Position No.	Part Name	OEM Number
1	SWIVEL BRACKET ASS'Y (MERC 850XS)	1490-7256A2
1	SWIVEL BRACKET ASS'Y (MERC 850 LONG) Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	1482-6386A4
1	SWIVEL BRACKET ASS'Y BRACKET (MERC 850 LONG) - S GROUP #2	1482-6386A4
2	BUSHING, SWIVEL BRACKET	23-69341
3	WASHER, SWIVEL PIN - UPPER	12-69342
4	OIL SEAL, SWIVEL BRACKET	26-37448
5	SCREW, DRIVE - SWIVEL BRACKET	10-47828
6	FITTING, GREASE	22-8M0169589
7	PIN, REVERSE LOCK SPRING ATTACHING	17-25598
8	WASHER, SWIVEL PIN - LOWER	12-37429
9	STRAP STOP, DRIVE SHAFT HOUSING TO SWIVEL BRACKET	28205T
10	SCREW, STRAP STOP TO HOUSING (3 1/8")	10-56743
10	SCREW, STRAP STOP TO HOUSING (3 7/8")	10-28200
11	NUT, STRAP STOP FASTENING SCREW	11-25269
12	SWIVEL PIN ASS'Y (MERC 850XS) Comment: YOKE IS ATTACHED WITH A NUT	17-49841A1
12	SWIVEL PIN ASS'Y (MERC 850 LONG) Comment: YOKE IS ATTACHED WITH A NUT	17-49840A1
13	YOKE, BOTTOM Comment: YOKE IS ATTACHED WITH A NUT	73984T
14	NUT, YOKE ATTACHING Comment: YOKE IS ATTACHED WITH A NUT	11-37424
12	SWIVEL PIN ASS'Y (MERC 850XS) Comment: YOKE IS ATTACHED WITH A SNAP RING	17-73594A2
12	SWIVEL PIN ASS'Y (MERC 850 LONG) Comment: YOKE IS ATTACHED WITH A SNAP RING	17-73593A2
13	YOKE, BOTTOM Comment: YOKE IS ATTACHED WITH A SNAP RING	73984T
15	SNAP RING, YOKE ATTACHING Comment: YOKE IS ATTACHED WITH A SNAP RING	53-73591
16	BUMPER, STEERING ARM	28203
17	BOLT, STEERING ARM TO UPPER MOUNT (5 7/8")	10-49554
18	NUT, STEERING ARM BOLT FASTENING	11-8M0204653

THROTTLE LEVER AND SPARK ADVANCE LEVER

Below is the parts list for Mercury 850 (4 CYL.) THROTTLE LEVER AND SPARK ADVANCE LEVER:

Position No.	Part Name	OEM Number	Supersedes
1	LEVER, THROTTLE	73416
2	LATCH, THROTTLE LEVER (THROTTLE CABLE)	73404
3	SCREW, LATCH TO THROTTLE LEVER (7/8")	10-59702
4	SPRING, LATCH SCREW	24-20099
5	NUT, LATCH SCREW	11-36069
6	SCREW, ADJUSTING - THROTTLE LEVER (1 3/4")	10-69029
7	NUT, JAM - ADJUSTING SCREW	11-29598
8	CAP, NYLON - ADJUSTING SCREW	52023
9	ARM, SPARK ADVANCE	73414
10	SCREW, ADJUSTING - SPARK ADVANCE ARM (1 3/8")	10-73656
11	NUT, JAM - ADJUSTING SCREW	11-68219
12	CAP, NYLON - ADJUSTING SCREW	48039
13	SCREW, ADJUSTING - SPARK ADVANCE ARM (2")	10-67916
14	NUT, JAM - ADJUSTING SCREW	11-29598
15	CAP, NYLON - ADJUSTING SCREW	52023
16	SCREW, LEVER AND ARM TO CYLINDER BLOCK (1 3/4")	10-818165	10-55337
17	BUSHING, LEVER AND ARM SCREW	23-55164
18	BUSHING, FLANGE - LEVER AND ARM SCREW	23-55171
19	SPRING, RETURN - LEVER AND ARM SCREW	24-73375
20	WASHER, LEVER AND ARM SCREW	12-46765
21	BARREL, NYLON - LEVER AND ARM	8M0221994
22	LINK ROD, THROTTLE	73374
23	CAM, THROTTLE	73432
24	HOUSING, CAM Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	77001
24	HOUSING, THROTTLE CAM Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	77001
25	SCREW, HOUSING TO CRANKCASE (3/4")	10-60605
26	LINK ROD, SPARK ADVANCE - SEE NOTE BELOW	73373
27	SWIVEL ASSEMBLY, LINK ROD TO ARM Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	76158A1
27	SWIVEL ASSEMBLY, LINK ROD TO ARM Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	76700A1
28	BUSHING, NYLON - LINK ROD SWIVEL	23-26856
29	WAVE WASHER, LINK ROD SWIVEL	13-29402
30	WASHER, LINK ROD SWIVEL	12-73288
31	NUT, LINK ROD SWIVEL	11-20110
32	SPACER, THROTTLE CAM HOUSING Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	77158
26	LINK ROD, SPARK ADVANCE	77010
40	TRIGGER PLATE ASSEMBLY	96453A2
41	HARNESS, PRIMARY (CYLINDERS 1 AND 2)	84-77617
42	HARNESS, PRIMARY (CYLINDERS 3 AND 4)	84-77618

TOP COWL AND SUPPORT BRACKETS

Below is the parts list for Mercury 850 (4 CYL.) TOP COWL AND SUPPORT BRACKETS:

Position No.	Part Name	OEM Number
1	COWL, TOP	2114-7934T
2	RETAINER ASSEMBLY, TOP COWL	52733A9
3	PAD, BUMPER - TOP COWL RETAINER	35496
4	SCREW, RETAINER TO TOP COWL (1 1/4")	10-74824
5	LOCKWASHER< RETAINER FASTENING SCREW	13-39107
6	SHIELD< TOP COWL - REAR	76370
7	SCREW, SHIELD TO TOP COWL (5/8")	10-37370
8	LOCKWASHER, SHIELD SCREW	13-37371
9	HINGE, COWL LATCH - TOP COWL	52739
10	LEVER, COWL LATCH HINGE	94918F1
11	PIN, COWL LATCH LEVER TO HINGE	17-58998
12	HOOK, TOP COWL LATCH - REAR	55455
13	LOCKWASHER, REAR HOOK MOUNTING SCREW	13-26992
14	SCREW, REAR HOOK TO TOP COWL (7/8")	10-22956
15	FRAME, SUPPORT - TOP COWL	73401T
16	MOUNT, RUBBER - SUPPORT FRAME	37640
17	LOCKWASHER, RUBBER MOUNT	13-8M0204647
18	NUT, RUBBER MOUNT	11-28770
19	SCREW, SUPPORT FRAME TO FRONT FRAME (1")	10-37562
20	LOCKWASHER, SUPPORT FRAME SCREW	13-8M0204647
21	MOUNT, RUBBER - TOP COWL FRAME	90435
22	NUT, RUBBER MOUNT (UPPER)	11-35888
23	NUT, RUBBER MOUNT (LOWER)	11-8M0207775
24	BRACKET, TOP COWL SUPPORT - REAR	52468
25	MOUNT, RUBBER - REAR SUPPORT BRACKET	31014
26	LOCKWASHER, RUBBER MOUNT TO REAR SUPPORT BRACKET	13-26992
27	NUT, RUBBER MOUNT TO REAR SUPPORT BRACKET	11-29598
28	SCREW, REAR BRACKET TO FRAME (1")	10-37562
29	LOCKWASHER, REAR BRACKET SCREW	13-8M0204647
30	SCREW, REAR SUPPORT BRACKET TO BOTTOM COWL (1")	10-37562
31	LOCKWASHER, REAR SUPPORT BRACKET SCREW	13-8M0204647
32	FRAME, FRONT SUPPORT	73396
33	SCREW, SILENCER COVER	10-37562
34	LOCKWASHER, FRAME SCREW	13-8M0204647
35	COVER ASSEMBLY, SILENCER SERIAL Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	76226A1
36	GASKET, SILENCER COVER Comment: UNITED STATES 4366802 THRU 4590511 BELGIUM 9110014 THRU 9139349 CANADA 7071373 THRU 7091097	27-76168A2
35	COVER ASSEMBLY, SILENCER SERIAL Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	76226A1
36	GASKET, SILENCER COVER Comment: UNITED STATES 4590512 AND UP AUSTRALIA 8043775 AND UP BELGIUM 9139350 AND UP CANADA 7091098 AND UP	27-76168A2
37	SCREW, COVER TO FRONT SUPPORT FRAME (3/4")	10-28638

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