Mercury 300 350 (1271884 THRU 1448139) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments

Mercury 300 350 Outboard Motor Parts Diagram & Catalog – Free PDF Download

BOTTOM COWL ASSEMBLY

Below is the parts list for Mercury 300 350 BOTTOM COWL ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	BOTTOM COWL ASSEMBLY	103-1544A1
-	BUSHING, OILITE - SHIFT SHAFT	23-25194
2	INSERT, TAP LOCK	21041
3	PLUG, BOTTOM COWL HARNESS HOLE	29206
4	SCREW, PLUG TO BOTTOM COWL	10-45893
5	LOCKWASHER, PLUG FASTENING SCREW	13-26995
6	NUT, PLUG FASTENING SCREW	11-26419
-	DECAL, MERCELECTRIC - BOTTOM COWL	37-23076
7	BAFFLE, BOTTOM COWL	23760
8	SCREW, BAFFLE TO BOTTOM COWL	10-21106
9	CONNECTOR BASE ASSEMBLY	21104A2
10	LOCKWSHER, CONNECOTR BASE	13-21972
11	NUT, CONNECTOR BASE FASTENING	11-21971
12	CLIP, CONNECTOR BASE LEAD WIRE	54-25231
13	SCREW, LEAD WIRE CLIP TO BOTTOM COWL	10-21106
14	BRACKET, MAGNETO CONTROL (LOWER) Comment: SERIAL 00000000-01269884	29532A1
14	BRACKET, MAGNETO CONTROL (LOWER) Comment: SERIAL 01269885-09999999	29532A1
14	BRACKET, MAGNETO CONTROL (LOWER)	29532
--	SPRING, CONTROL BRACKET TENSION Comment: SERIAL 00000000-01269884	24-24826
15	LEVER, SHIFT CONTROL Comment: SERIAL 00000000-01269884	28253
15	LEVER, SHIFT CONTROL Comment: SERIAL 01269885-09999999	29391
15	LEVER, SHIFT CONTROL	30612
--	BUSHING, MAGNETO BRACKET AND SHIFT LEVER (NYLON) Comment: SERIAL 00000000-01269884	23-20008
--	BUSHING, MAGNETO BRACKET AND SHIFT LEVER (STEEL) Comment: SERIAL 00000000-01269884	23-21008
16	SLEEVE, MAGNETO BRACKET AND SHIFT LEVER	23-29529
17	SCREW, BRACKET AND LEVER FASTENING Comment: SERIAL 00000000-01269884	10-21077
17	SCREW, BRACKET AND LEVER FASTENING	10-37612
18	WSHER, BRACKET AND LEVER FASTENING SCREW Comment: SERIAL 00000000-01269884	12-68300
18	WASHER, BRACKET AND LEVER FASTENING SCREW	12-8M0042641	12-29395
--	STUD, MAGNETO BRACKET AND SHIFT LEVER Comment: SERIAL 01269885-09999999	16-29394
--	WASHER, BRACKET AND LEVER FASTENING STUD Comment: SERIAL 01269885-09999999	12-8M0042641	12-29395 SERIAL 01269885-09999999
--	NUT, BRACKET AND LEVER FASTENING Comment: SERIAL 01269885-09999999	11-23161
19	PIN ASSEMBLY, CLEVIS YOKE	17-30978A1
20	ROLL PIN, CLEVIS YOKE PIN	17-239281
21	SCREW, CLEVIS PIN FASTENING	10-20584
22	WASHER, WAVE - IN FASTENING SCREW	13-29402
--	WASHER, PIN FASTENING SCREW	12-847883	12-20128
23	NUT, PIN FASTENING SCREW	11-20110
23	NUT, PIN FASTENING SCREW	11-8M0204718
24	SHAFT, SHIFT (UPPER) - SHORT SHAFT	25180
24	SHAFT, SHIFT (UPPER) - LONG SHAFT	25163
25	ROD (SLEEVE), SHIFT CONTROL END	27714
26	NUT, SHIFT SHAFT END ADJUSTING	11-25168
27	ROD, LINK - SHIFT SHAFT END	25134
28	COTTER PIN, LINK ROD TO SHIFT SHAFT	18-210711
29	WASHER, LINK ROD	12-20583
29	WASHER, LINK ROD	12-20583
30	SPRING, DETENT	24-25065
31	SCREW, DETENT SPRING TO BOTTOM COWL	10-98256
32	WASHER, DETENT SPRING SCREW	12-69057
33	NUT, DETENT SPRING SCREW	11-20013
33	NUT, DETENT SPRING SCREW	11-8M0207775
34	BRACKET, CABLE END ANCHOR	20557
35	SCREW, ANCHOR BRACKET TO BOTTOM COWL	10-69022
35	SCREW, ANCHOR BRACKET TO BOTTOM COWL	10-29200
--	LOCKWASHER, ANCHOR BRACKET SCREW	13-20554
36	ELBOW, PLASTIC - MAGNETO VENT TUBE	22-996642
37	TUBE, VENT - MAGNETO	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
38	GASKET, POWERHEAD TO BOTTOM COWL	27-20390
39	GROUND STRAP ASSEMBLY, CYLINDER BLOCK TO COWL	30109
40	PLATE, TRADE MARK - BOTTOM COWL	38-27720
41	FASTENER, PLATE TO BOTTOM COWL	53-25539
42	SUPPORT, EXTERNAL WIRING HARNESS	26552
43	SCREW, HARNESS SUPPORT TO BOTTOM COWL	10-20639
44	WASHER, HARNESS SUPPORT FASTENING SCREW	12-20084
45	NUT, HARNESS SUPPORT SCREW	11-29250

CARBURETOR ASSEMBLY

Below is the parts list for Mercury 300 350 CARBURETOR ASSEMBLY:

Position No.	Part Name	OEM Number
1	CARBURETOR ASSEMBLY, COMPLETE (AJ-50A) Comment: SERIAL 00000000-01231089	1326-1119
1	CARBURETOR ASSEMBLY, COMPLETE (AJ-54A) Comment: SERIAL 01231090-01324410	1326-1604
1	CARBURETOR ASSEMBLY, COMPLETE (KB-2A) Comment: SERIAL 01324411-09999999	1334-1701
2	FLOAT ASSEMBLY	1395-8673
3	PIN, FLOAT LEVER PINION	17-20853
4	LEVER, FLOAT (LOWER)	1399-102
5	LEVER, FLOAT (UPPER)	1399-101
6	INLET NEEDLE, SEAT AND GASKET	1395-92581
7	GASKET, INLET SEAT	27-25033
8	SCREW, THROTTLE STOP LEVER	1395-6027
9	LEVER, THROTTLE STOP (SEE NOTE BELOW)	8146791
10	SHAFT, THROTTLE	1399-933
10	SHAFT, THROTTLE	1399-1716
11	SPRING, THROTTLE SHAFT RETURN (UPPER CARBURETOR)	24-20869
11	SPRING, THROTTLE SHAFT RETURN (LOWER CARBURETOR)	24-26890
--	GASKET, MAIN ADJUSTMENT SCREW GLAND	27-20848
--	GLAND, MAIN ADJUSTMENT SCREW	1399-94
--	PACKING, MAIN ADJUSTMENT SCREW	1399-108
--	NUT, MAIN ADJUSTMENT SCREW	11-20849
--	SCREW, MAIN ADJUSTMENT	1399-932
12	JET, MAIN FUEL (.055)	1399-1655
12	JET, MAIN FUEL (.053)	1399-1653
12	JET, MAIN FUEL (.051)	1399-1651
12	JET, MAIN FUEL (.049)	1399-1649
13	GASKET, MAIN FUEL JET	27-28409
14	SPRING, IDLE ADJUSTMENT SCREW	24-27160
15	SCREW, IDLE ADJUSTMENT	1399-931
15	SCREW, IDLE ADJUSTMENT	1399-1623
15	SCRW, IDLE ADJUSTMENT	1399-1713
16	GASKET, FLOAT BOWL COVER	1399-99
17	COVER, FLOAT BOWL	1399-1133
18	SCREEN, FILTER-NOT AS SHOWN	1399-3938
19	SCREW, FLOAT BOWL COVER (SHORT)	10-22625
20	SCREW, FLOAT BOWL COVER (LONG)	10-25850
21	GASKET, STRAINER COVER (LARGE)	27-25851
22	GASKET, STRAINER COVER (SMALL)	27-25849
23	COVER, STRAINER	1399-1135
24	GASKET, STRAINER COVER SCREW	27-25848
25	SCREW, STRAINER COVER FASTENING	10-25822
26	NOZZLE, MAIN	1399-1715
27	SCREW, PLUG-MAIN NOZZLE	10-23178
28	SCREW AND LOCKWASHER, THROTTLE SHUTTER	10-23035
29	SHUTTER, THROTTLE	1399-107
30	TUBE, IDLE	1399-960
30	TUBE, IDLE	1399-1714
--	SCREW, PLUG-IDLE TUBE	10-23030
31	GASKET, IDLE TUBE	27-23180
32	SCREW, PLUG-BODY CHANNEL	10-20870
32	SCREW, PLUG-BODY CHANNEL	10-28405
32	SCREW, PLUG-BODY CHANNEL	10-28845
33	WELCH PLUG, BODY CHANNEL	19-20011
34	SCREW, PLUG-MAIN FUEL JET CHANNEL	10-28405
35	GASKET, BODY CHANNEL PLUG SCREW	27-28406
--	GASKET AND PACKING SET (1 PER CARBURETOR)	1399-1145
--	GASKET AND PACKING SE (1 PER CARBURETOR)	1399-1717
--	REPAIR PARTS KIT	1399-1146
--	REPAIR PARTS KIT ( 1 PER CARBURETOR)	1399-1624
--	REPAIR PARTS KIT (1 PER CARBURETOR)	1399-1718
36	GASKET, CARBURETOR FLANGE	27-20183
37	NUT, CARBURETOR MOUNTING STUD	11-24652
--	KNOB ASSEMBLY, MAIN ADJUSTMENT SCREW	24823A1
--	SCREW, KNOB FASTENING	10-22928

CARBURETOR LINKAGE AND CHOKE SOLENOID

Below is the parts list for Mercury 300 350 CARBURETOR LINKAGE AND CHOKE SOLENOID:

Position No.	Part Name	OEM Number
1	CHOKE SOLENOID, TOP COWL	28936
2	DISCONNECT, KNIFE SPLICE - CHOKE SOLENOID	22647
3	SCREW, CHOKE SOLENOID TO TOP COWL	10-20540
4	LOCKWASHER, CHOKE SOLENOID SCREW	13-26992
5	SCREW, CHOKE SOLENOID TO TOP COWL	10-24773
6	LOCKWASHER, CHOKE SOLENOID SCREW	13-26991
7	GROUND STRAP ASSEMBLY, CHOKE SOLENOID TO ADAPTOR	26716A1
8	SLEEVE, CHOKE SOLENOID WIRE AND HARNESS WIRE	32-61115
9	CLAMP, CHOKE WIRE TO STARTER SOLENOID	54-26643
9	CLAMP, CHOKE WIRE TO STARTER SOLENOID	54-24836
10	PLUNGER ASSEMBLY, CHOKE SOLENOID	27031A1
11	ADAPTOR PLATE, CHOKE PLUNGER	27126
12	GROMMET, ADAPTOR PLATE	25-26633
13	SCREW, ADAPTOR PLATE TO CHOKE ROD BRACKET	10-21281
14	LOCKWASHER, ADAPTOR PLATE FASTENING SCREW	13-26994
15	WASHER, CHOKE SOLENOID LINK	12-26014
16	COTTER PIN, CHOKE SOLENOID LINK FASTENING	18-26953
17	CARBURETOR ASSEMBLY, COMPLETE	1326-1119
17	CARBURETOR ASSEMBLY, COMPLETE Comment: SERIAL 00000000-01324410	1326-1604
17	CARBURETOR ASSEMBLY, COMPLETE Comment: SERIAL 01324411-09999999	1334-1701
18	CLUSTER, THROTTLE LEVER (UPPER CARBURETOR) Comment: SERIAL 00000000-01324410	29443
18	CLUSTER, THROTTLE LEVER (UPPER CARBURETOR) Comment: SERIAL 01324411-09999999	27917
19	SCREW, SET - CLUSTER TO THROTTLE LEVER	1395-6027
20	SCREW, CHOKE LEVER PIVOT PIN	10-20176
21	SHUTTER, CHOKE Comment: SERIAL 00000000-01324410	20173
21	SHUTTER, CHOKE Comment: SERIAL 01324411-09999999	30014
22	SPRING, CHOKE SHUTTER	24-26067
23	CHOKE LEVER ASSEMBLY	25881A1
23	CHOKE LEVER ASSEMBLY	25881A1
23	CHOKE LEVER ASSEMBLY (UPPER CARBURETOR)	26645A1
24	BUSHING, CHOKE LEVER	23-26888
25	COTTPER PIN, CHOKE LEVER RETAINING	18-210711
26	CLAMP, THROTTLE PICKUP BRACKET	27870
--	WASHER, CLAMP TO THROTTLE PICKUP BRACKET SCREW	12-30164
27	SCREW, CLAMP TO THROTTLE PICKUP BRACKET	10-69022
28	BRACKET, THROTTLE PICKUP Comment: SERIAL 00000000-01324410	20185A1
28	BRACKET, THROTTLE PICKUP Comment: SERIAL 01324411-09999999	28007A3
29	SCREW, THROTTLE BRACKET MOUNTING	10-20191
29	SCREW, THROTTLE BRACKET MOUNTING	10-29239
--	LOCKWASHER, THROTTLE BRACKET SCREW	13-26995
30	WASHER, THROTTLE BRACKET SCREW	12-20192
31	SCREW, CHOKE ROD SPRING MOUNTING	10-20650
--	WASHER, CHOKE ROD SPRING SCREW	12-20192
32	SPRING, CHOKE ROD POSITIONING	24-20649
32	SPRING, CHOKE ROD TO RETAINER	24-26068
33	RETAINER, CHOKE ROD SPRING	27711
34	SCREW, RETAINER TO LOWER CARBURETOR	10-28713
35	KNOB, CHOKE ROD	20663
35	KNOB, CHOKE ROD	90242A1
36	GROMMET, CHOKE ROD	25-20116
37	"U" LINK, CHOKE KNOB TO CHOKE ROD	22462
38	SCREW, "U" LINK TO CHOKE KNOB	10-69022
39	LOCKWASHER, "U" LINK FASTENING SCREW	13-26996
40	COTTPER PIN, CHOKE LEVER AND ROD FASTENING	18-210711
41	CHOKE ROD ( NOT AS SHOWN)	28971
41	CHOKE ROD	28978
42	RIVET, CHOKE ROD TO CHOKE LEVER	17-25391

CLAMP AND SWIVEL BRACKET

Below is the parts list for Mercury 300 350 CLAMP AND SWIVEL BRACKET:

Position No.	Part Name	OEM Number	Supersedes
1	CLAMP BRACKET ASSEMBLY (SHORT SHAFT)	1427-1810A2
1	CLAMP BRACKET ASSEMBLEY (LONG SHAFT)	1440-1464A1
2	THUMB SCREW ASSEMBLY (SHORT SHAFT)	22477A4
2	THUMB SCREW ASSEMBLY (LONG SHAFT)	28403A3
3	WASHER, THUMB SCREW (SHORT SHAFT)	12-26227
3	WASHER, THUMB SCREW (LONG SHAFT)	12-28404
4	TUBE, TILT - CLAMP BRACKET TO SWIVEL BRACKET	28122
5	SHIM, CLAMP BRACKET TO SWIVEL BRACKET (.010)	15-25600
6	NUT, TILT TUBE	11-8M2014641	11-826713 23
7	CAP, PLASTIC - TILT TUBE	25606
-	CLIP, SAFETY CHAIN (NO LONGER USED ON LATER ENGINES)	54-25735
8	STUD, CLAMP BRACKET	16-59625
9	SPACER, CLAMP BRACKET STUD	23-59624
10	LOCKWASHER, CLAMP BRACKET STUD	13-8M0204647
11	NUT, CLAMP BRACKET STUD	11-22053
12	TILT LOCK PIN ASSEMBLY	17-8M0026068	17-49930A 1
13	REVERSE LOCK ASSEMBLY (SHORT SHAFT)	26903A2
13	REVERSE LOCK ASSEMBLY (LONG SHAFT)	26903A3
14	COTTER PIN, REVERSE LOCK TO SHAFT	18-45882
15	SPRING, REVERSE LOCK TENSION	24-20210
15	SPRING, REVERSE LOCK TENSION	24-29821
16	ROLL PIN, REVERSE LOCK SPRING ATTACHING	17-25598
17	SHAFT, REVERSE LOCK TO SWIVEL BRACKET	56349
18	SWIVEL BRACKET ASSEMBLY (SHORT SHAFT)	1401-1080A1
18	SWIVEL BRACKET ASSEMBLY (LONG SHAFT)	1442-1400A1
19	FITTING, GREASE - SWIVEL BRACKET	22-69059
20	OIL SEAL, SWIVEL BRACKET	26-32911
21	LUBRICAP, SWIVEL BRACKET GREASE FITTING	19-77633Q
--	LEVER, TILT STOP - STARBOARD SIDE (SHORT SHAFT)	20215
--	LEVER, TILT STOP - STARBOARD SIDE (LONG SHAFT)	29056
22	LEVER, TILT STOP - PORT SIDE (SHORT SHAFT)	26864
22	LEVER, TILT STOP - PORT SIDE (LONG SHAFT)	29057
23	SCREW, ANCHOR - TILT STOP LEVER (SHORT SHAFT)	10-20217
23	SCREW, ANCHOR - TILT STOP LEVER (LONG SHAFT	10-27791
24	SPACER, TILT STOP LEVER (SHORT SHAFT)	23-20216
24	SPACER, TILT STOP LEVER (LONG SHAFT)	23-29055
25	SCREW, RETAINING - TILT STOP LEVER (SHORT SHAFT)	10-29237
25	SCREW, RETAINING - TILT STOP LEVER (LONG SHAFT)	10-27790
26	SHIM, RETAINING SCREW - PORT SIDE	15-20473
27	WASHER, WAVE - RETAINING SCREW - PORT SIDE	13-20846
--	WSHER, ANCHOR AND RETAINING SCREW	12-20028
--	LOCKWASHER, ANCHOR AND RETAINING SCREW	13-26992
28	NUT, ANCHOR AND RETAINING SCREW (.060)	11-24652
29	WASHER, SWIVEL PIN TO BOTTOM YOKE	12-25176
--	WSHER, SWIVEL PIN TO BOTTOM YOKE (.018)	12-27964
30	BOTTOM YOKE ASSEMBLY (SHORT SHAFT) - SEE NOTE BELOW	30202A1
30	BOTTOM YOKE ASSEMBLY (LONG SHAFT)	30462A1
31	SWIVEL PIN AND TOP YOKE ASSEMBLY (SHORT SHAFT)	17-27739A2
31	SWIVEL PIN AND TOP YOKE ASSEMBLY (LONG SHAFT)	17-28419A4
32	RING, RETAINING - SWIVEL PIN (SHORT SHAFT)	53-27743
32	NUT, SWIVEL PIN (LONG SHAFT) - NOT AS SHOWN	11-71956
33	BUMPER, TOP YOKE	30711
34	SERIAL PLATE	38-28850
34	SERIAL PLATE	38-29533
34	SERIAL PLATE	38-31056
35	SCREW, DRIVE - SERIAL PLATE TO SWIVEL BRACKET	10-25612
36	BOLT, CARRIAGE - CLAMP BRACKET TO BOAT TRANSOM (SHORT SHAFT)	10-26483
36	BOLT, CARRIAGE - CLAMP BRACKET TO BOAT TRANSOM (LONG SHAFT)	10-68298
37	WASHER, CARRIAGE BOLT (SHORT SHAFT)	12-67981
37	WASHER, CARRIAGE BOLT (LONG SHAFT)	12-68410
38	NUT, CARRIAGE BOLT (SHORT SHAFT)	11-8M0204646
38	NUT, CARRIAGE BOLT (LONG SHAFT)	11-82670912

COWLING AND FRONT COVER

Below is the parts list for Mercury 300 350 COWLING AND FRONT COVER:

Position No.	Part Name	OEM Number
1	COWLING FRONT COVER ASSEMBLY	2104-2654A5
1	COWL FRONT COVER ASSEMBLY	2104-2654A5
1	COWL FRONT COVER ASSEMBLY	2104-2654A5
2	EMBLEM, FRONT COVER (SEE NOTE BELOW)	26183A5
3	SCREW, COVER FASTENING	10-29552
4	WASHER, COVER FASTENING SCREW	12-26162
5	WASHER, COVER FASTENING SCREW	12-27897
6	BUMPER, RUBBER-FRONT COVER (SMALL)	20721
7	BUMPER, RUBBER-FRONT COVER (LARGE)	269011
8	BLANKET, SOUND ABSORBING-FRONT COVER	28999
9	WASHER, BLANKET TO FRONT COVER	12-29000
10	NUT, SPEED-SOUND BLANKET FASTENING	11-28968
11	WRAP AROUND COWL ASSEMBLY	107-1015A3
11	WRAP AROUND COWL ASSEMBY	190-1819A2
11	WRAP AROUND COWL ASSEMBLY	190-1819A2
12	HANDLE, COWL LATCH	21060
13	"E" RING, COWL LATCH HINGE PIN	53-21058
14	PIN, HINGE-COWL LATCH HANDLE	17-21057
15	SWIVEL, COWL LATCH	25690
16	HOOK, COWL LATCH FASTENING	25691
17	BLANKET, WRAP AROUND COWL	24825
--	GLUE, ADHESIVE-BLANKET FASTENING	92-86166Q1
--	ADHESIVE COMPOUND (3 1/2 OUNCE KIT) EMBLEM FASTENING	92-271091

CRANKSHAFT, PISTON AND CONNECTING ROD

Below is the parts list for Mercury 300 350 CRANKSHAFT, PISTON AND CONNECTING ROD:

Position No.	Part Name	OEM Number
-	CRANKSHAFT Comment: FOR REPLACEMENT ORDER A-400-1730 CRANKSHAFT AND C-25-29619 "O" RING. SERIAL 00000000-01271993	400-2976A2
-	OILER, FELT Comment: FOR REPLACEMENT ORDER A-400-1730 CRANKSHAFT AND C-25-29619 "O" RING. SERIAL 00000000-01271993	20043
1	CRANKSHAFT	400-2976A2
2	OILER, FELT - DRIVE SHAFT SPLINE (NOT AS SHOWN)	20043
2	"O"RING, DRIVE SHAFT SPLINE	25-29619
3	CENTER MAIN BEARING ASSEMBLY	500-5345A4
-	DOWEL PIN, CENTER AMIN BEARING	17-20032
4	SCREW, CENTER MAIN BEARING CLAMPING	10-28666
5	BEARING, NEEDLE	29-20046T
6	RACE, OUTER	20047
7	RING, SNAP - OUTER RACE CLAMPING	53-20048
-	DOWEL PIN (STEPPED)	17-20379
8	MAIN BEARING ASSEMBLY (VALVE TYPE) Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	527-1619A4
-	DOWEL PIN, MAIN BEARING Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	17-20032
9	SCREW, MAIN BEARING CLAMPING Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	10-22654
10	REED SET, MATCHED - MAIN BEARING Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	34-88498A1
11	REED STOP, MAIN BEARING REED VALVES Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	34-20053
12	WASHER, REED STOP MOUNTING SCREW Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	12-26014
13	SCREW, REED STOP MOUNTING Comment: BRONZE - NO LONGER AVAILABLE, ORDER A-527-1619A1	10-20055
8	MAIN BEARING ASSEMBLY (VALVE TYPE) Comment: ALUMINUM	527-1619A4
-	DOWEL PIN, MAIN BEARING Comment: ALUMINUM	17-20032
9	SCREW, MAIN BEARING CLAMPING Comment: ALUMINUM	10-26184
-	NUT, MAIN BEARING CLAMPING SCREW Comment: ALUMINUM	11-24652
10	REED SET, MATCHED - MAIN BEARING Comment: ALUMINUM	34-88498A1
11	REED STOP, MAIN BEARING REED VALVES Comment: ALUMINUM	34-20053
13	SCREW, REED STOP MOUNTING Comment: ALUMINUM	10-77280
--	NUT, REED STOP MOUNTING SCREW Comment: ALUMINUM	11-29469
14	PISTON AND PISTON PIN ASSEMBLY	726-1611A2
15	LOCK RING, PISTON PIN	40-20057
16	RING, PISTON	39-20058
17	CONNECTING ROD AND CAP ASSEMBLY (SEE NOTE BELOW)	600-2748A3
18	SCREW, CONNECTING ROD	10-45379
19	NUT, CONNECTING ROD SCREW	11-20061
20	BEARING, NEEDLE - CRANKPIN	29-20046T
21	BEARING, NEEDLE - PISTON PIN	29-20063
22	WASHER, NEEDLE LOCATING	12-20064
--	PISTON AND PISTON PIN ASSEMBLY (.015 OVERSIZE)	726-1612A2
--	RING, PISTON (.015 OVERSIZE)	39-20992A12

CYLINDER BLOCK AND CRANKCASE ASSEMBLY

Below is the parts list for Mercury 300 350 CYLINDER BLOCK AND CRANKCASE ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER BLOCK AND CRANKCASE ASSEMBLY	808-1321A4
-	CRANKCASE (#N.S.S.)
-	DOWEL PIN, CYLINDER BLOCK TO CENTER MAIN BEARING	17-20323
-	DOWEL PIN, CYLINDER BLOCK TO MAIN BEARING	17-20032
2	BUSHING, CRANKCASE	23-26348
3	STUD, CARBURETOR MOUNTING (1-1/4")	22-996642
4	DOWEL PIN, CRANKCASE TO CYLINDER BLOCK	17-43044
5	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1-9/16")	16-33111
6	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (3-3/8")	16-8M0034463	16-56297 2
7	STUD, SYLINDER BLOCK TO DRIVE SHAFT HOUSING (1-7/8")	16-29989
8	PLUG, PIPE - WATER PRESSURE HOLE (SEE NOTE BELOW)	22-328022
9	SCREW, CRANKCASE TO CYLINDER BLOCK (2-3/4")	10-22039
10	SCREW, CRANKCASE TO CYLINDR BLOCK (1-1/2")	10-78841
--	WASHER; CRANKCASE SCREW	12-20084
11	NUT, CRANKCASE FASTENING SCREW	11-29250
12	SCREW, MAIN BEARING LOCKING Comment: SERIAL 00000000-01352947	10-20089
12	SCREW, MAIN BEARING LOCKING Comment: SERIAL 01352948-09999999	10-98260
13	TAB WASHER, BEARING LOCKING SCREW	14-20091
14	SCREW, CENTER MAIN BEARING LOCKING	10-20359
15	END CAP ASSEMBLY, UPPER	1100-339A1
16	BEARING, BALL - UPPER END CAP	30-63742T
17	"O" RING, UPPER END CAP	25-20081
18	OIL SEAL	26-41953
19	SHIM, UPPER END CAP TO CRANKCASE	15-20082A1
--	LOCKWASHER, UPPER END CAP MOUNTING SCREW	13-8M0204647
20	SCREW, UPPER END CAP MOUNTING	10-23703
20	SCREW, UPPER END CAP MOUNTING	10-29198
21	END CAP ASSEMBLY, LOWER	1102-4181A3
22	BEARING, BALL - LOWER END CAP	30-63742T
23	"O" RING, LOWER END CAP	25-20081
24	OIL SEAL, UPPER	26-41953
24	OIL SEAL, LOWER	26-29477
--	CHECK VALVE ASSEMBLY, LOWER END CAP	21-28481A1
25	SHIM, LOWER END CAP TO CRANKCASE	15-20085A1
--	LOCKWASHR, LOWER END CAP MOUNTING SCREW	13-8M0204647
26	SCREW< LOWER END CAP MOUNTING	10-23703
26	SCREW, LOWER END CAP MOUNTING	10-29198
27	GASKET, CYLINDER BLOCK TO MANIFOLD PLATE	27-26923
28	PLATE, EHAUST MANIFOLD	26922
27	GASKET, MANIFOLD PLATE TO COVER	27-26923
29	COVER, EXHAUST MANIFOLD	28240
30	SCREW, MANIFOLD COVER MOUNTING	10-28668
30	SCREW, MANIFOLD COVER AND HIGH TENSION LEAD CLIP MOUNTING	10-28666
31	WASHER, MANIFOLD COVER AND HIGH TENSION LEAD CLIP SCREWS	12-20028
32	CYLINDER BLOCK COVER ASSEMBLY (SEE NOTE BELOW)	1000-1A1
33	BUSHING, CYLINDER BLCOK COVER	23-26348
34	GASKET, CYLINDER BLOCK COVER	27-22333
35	SCREW, CYLINDER BLOCK COVER MOUNTING	10-20653
36	NUT, COVER MOUNTING SCREW	11-24652
37	GASKET, TRANSFER PORT COVER	27-279361
38	COVER, TRANSFER PORT	27935
--	WASHER, TRANSFER PORT COVER FASTENING SCREW	12-20028
39	SCREW, TRANSFER PORT COVER FASTENING	10-20540
40	CHECK VALVE ASSEMBLY, BLEED HOSE (UPPER)	22-62365A1
41	CHECK VALVE ASSEMBLY, BLEED HOSE	21-28481A1
42	HOSE, CYLINDER BLEED (6-1/2")	32-9912688
43	CONNECTOR, CYLINDER BLEED HOSE (LOWER)	22-67902
44	CLAMP, BLEED HOSE TO CHECK VALVE AND CONNECTOR	54-20387

DRIVE SHAFT HOUSING ASSEMBLY

Below is the parts list for Mercury 300 350 DRIVE SHAFT HOUSING ASSEMBLY:

Position No.	Part Name	OEM Number
1	DRIVE SHAFT HOUSING (USE WITH 3/8" STUD) - SHORT SHAFT	1522-1567
1	DRIVE SHAFT HOUSING (USE WITH 3/8" STUD) - LONG SHAFT Comment: SERIAL 00000000-01260216	1535-1566
1	DRIVE SHAFT HOUSING (USE WITH 7/16" STUD) - SHORT SHAFT	1522-1567
1	DRIVE SHAFT HOUSING (USE WITH 7/16" STUD) - LONG SHAFT Comment: SERIAL 01260217-09999999	1535-1566
2	TUBE, WATER INLET (SHORT SHAFT)	32-25187
2	TUBE, WATER INLET (LONG SHAFT)	32-25076
3	RING, RUBBER - WATER INLET TUBE	25-24961
4	SEAL, WATER INLET TUBE	26-25192
5	SLEEVE, WATER INLET TUBE	23-23651
6	BAFFLE, EXHAUST RELIEF (SHORT SHAFT)	24945
6	BAFFLE, EXHAUST RELIEF (LONG SHAFT)	27898
7	SCREW, BAFFLE TO DRIVE SHAFT HOUSING	10-25255
8	GASKET, DRIVE SHAFT HOUSING TO BOTTOM COWL	27-24899
9	NUT, POWERHEAD STUDS	32445A1
10	SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING	10-25093
11	STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING (3/8")	16-23650
11	STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING (7/16")	16-29103
12	NUT, GEAR HOUSING STUDS (3/8")	11-23161
12	NUT, GEAR HOUSING AND DRIVE SHAFT HOUSING STUDS (7/16")	11-8M0204653
13	ROD, PUSH - REVERSE LOCK (SHORT SHAFT)	25190
13	ROD, PUSH - REVERSE LOCK (LONG SHAFT)	28593
14	PIN, REVERSE LOCK LEVER	17-24887
15	COTTER PIN, PUSH ROD	18-25191
16	SPRING, TENSION - PUSH ROD	24-25122
17	LEVER, REVERSE LOCK	52920
18	UPPER MOUNT ASSEMBLY, UPPER	24926A1
19	COVER, UPPER MOUNT - OUTSIDE HALF	79680A1
20	COVER, UPPER MOUNT - INSIDE HALF	79680A1
21	PACKING, "U" CUP	24929
22	WASHER, UPPER MOUNT STUD (17/32" I.D.)	12-24889
23	WASHER, RUBBER - UPPER MOUNT STUD	12-24891
24	SPACER, UPPER MOUNT STUD	23-30474
25	WASHER, UPPER MOUNT STUD (25/64" I.D.)	12-11367
26	NUT, UPPER MOUNT STUD	11-23161
27	CAP, RUBBER - UPPER MOUNT	25305
28	SCREW, UPPER MOUNT COVER (1-1/2")	10-28772
29	SCREW, UPPER MOUNT COVER (1-7/8")	10-29389
30	WASHER, MOUNTING COVER SCREW	12-8M0204649
31	NUT, MOUNTING COVER SCRW	11-35888
32	MOUNT, RUBBER - LOWER	75304T1
33	WASHER, RUBBER - LOWER MOUNT	12-28053
34	WASHER, LOWER MOUNT	12-28051
35	WASHER, MOUNTING SCREW (1/16") Comment: USE WITH A-25178 BOTTOM YOKE	12-24872
35	WASHER, MOUNTING SCREW (1/8") Comment: USE WITH A-30202A1 BOTTOM YOKE	12-30119
36	NUT, MOUNTING SCREW	11-25096
37	SCREW, LOWER MOUNT (5-1/2")	10-24874
38	BUMPER, RUBBER - MOUNTINS SCREW	25067
39	COVER, LOWER MOUNT (PORT SIDE)	28241
39	COVER, LOWER MOUNT (STARBOARD SIDE)	28242
--	WASHER, LOWER MOUNT COVER SCREW	12-20084
40	SCREW, LOWER MOUNT COVER FASTENING	10-28782
40	SCREW, LOWER MOUNT COVER FASTENING	10-29256
41	PLUG, GREASE - REVERSE LOCK HOLE	22-390721

FLYWHEEL ASSEMBLY AND STATOR

Below is the parts list for Mercury 300 350 FLYWHEEL ASSEMBLY AND STATOR:

Position No.	Part Name	OEM Number
1	NUT, FLYWHEEL	11-8M0214915
2	WASHER, FLYWHEEL NUT	12-26617
3	KEY, FLYWHEEL	20455A2
4	FLYWHEEL ASSEMBLY (LUG HEIGHT 15/32") SEE NOTE #1 BELOW	223-2402A7
4	FLYWHEEL ASSEMBLY (LUG HEIGHT 11/32") SEE NOTE #1 BELOW	223-2402A7
4	FLYWHEEL ASSEMBLY (WITH SPACERS) SEE NOTE #1 BELOW	211-1414A4
4	FLYWHEEL ASSEMBLY (WITHOUT SPACERS) SEE NOTE #1 BELOW	211-1414A2
4	FLYWHEEL ASSEMBLY (WITHOUT SPACERS) SEE NOTE #1 BELOW	215-3289A1
5	PULLEY, FLYWHEEL SEE NOTE #2 BELOW	22823
6	WASHER, PULLEY TO FLYWHEEL SEE NOTE #2 BELOW	12-25293
-	FLANGE, FLYWHEEL PULLEY SEE NOTE #2 BELOW	29788
-	PULLEY, FLYWHEEL SEE NOTE #2 BELOW	30306
-	HUB, FLANGE-FLYWHEEL PULLEY SEE NOTE #2 BELOW	29787
7	DOWEL PIN, FLYWHEEL PULLEY	17-26618
-	WASHER, RATCHET TO FLYWHEEL (1/8" SPACER)	12-26907
8	RATCHET, FLYWHEEL	50-25263
9	CSREW, RATCHET TO FLYWHEEL	10-29238
10	STATOR, ALTERNATOR-FLYWHEEL	398-1455
11	DISCONNECT, KNIFE SPLICE-STATOR LEAD WIRE	22647
12	SLEEVE, RUBBER-STATOR LEAD WIRE	32-61115
13	SCREW, STATOR TO UPPER END CAP	10-68918
14	CLIP, STATOR LEAD TO CRANKCASE FLANGE	54-24836
15	SCREW, STATOR LEAD CLIP FASTENING	10-25255
15	SCREW, STATOR LEAD CLIP FASTENING	10-8M0113176

FUEL PUMP ASSEMBLY

Below is the parts list for Mercury 300 350 FUEL PUMP ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	FUEL PUMP ASSEMBLY	23009A1
1	FUEL PUMP ASSEMBLY	29178A2
1	FUEL PUMP ASSEMBLY	30269A2
2	GASKET, CHECK VALVE TO HOUSING	27-23005
3	VALVE, CHECK	21-8M0082362	21-30430, 21-F177330, F84330-1
4	RETAINER, CHECK VALVE	23004
5	SCREW, RETAINER TO HOUSING	10-43725
6	GASKET, FUEL PUMP	27-24863
7	DIAPHRAGM, FUEL PUMP	23014
-	PLUG, PIPE - FUEL PUMP	22-390721
8	COVER, FUEL PUMP	23008
9	GASKET, FUEL PUMP COVER	27-30276
10	SCREW, FUEL PUMP MOUNTIN (1-7/8") Comment: SERIAL 00000000-01261034	10-25211
10	SCREW, FUEL PUMP MOUNTING (1-3/4") Comment: SERIAL 01261035-09999999	10-29126
11	SCREW, FUEL PUMP MOUNTING (1-1/2")	10-29029
--	CONNECTOR, PUMP OUTLET TO ELBOW Comment: SERIAL 00000000-01261034	22-23595
--	ELBOW, PUMP OUTLET TO FUEL LINE Comment: SERIAL 00000000-01261034	22-24690
12	CONNECTOR, FUEL LINE TO FUEL PUMP INLET	22-22993
13	SLEEVE, RUBBER	22-22946
14	NUT, ELBOW	22-22948
15	FUEL LINE, FUEL PUMP TO LOWER FILTER	32-30035
--	ELBOW, FUEL PUMP INLET	22-22995
16	ELBOW, FUEL PUMP OUTLET TO FUEL LINE	22-22995
17	SLEEVE, RUBBER	22-22946
18	NUT, ELBOW	22-22948
19	FUEL LINE, FUEL PUMP TO ADAPTOR	32-30036
19	FUEL LINE, FUEL PUMP TO ADAPTOR	32-30036
20	ADAPTOR, CHECK UNIT (FUEL LINE)	22833
21	STEM, CHECK UNIT ADAPTOR	23069
22	"O" RING, ADAPTOR STEM	25-16524
23	SPRING, ADAPTOR STEM	24-23067T
24	CUP WASHER, ADAPTOR	30188
25	SCREW, ADAPTOR TO BOTTOM COWL	10-20784
26	NUT, ADAPTOR SCREW	11-24652
--	ELBOW, UPPER FILTER TO FUEL LINE Comment: SERIAL 00000000-01261034	22-59351
--	ELBOW, UPPER FILTER TO FUEL LINE Comment: SERIAL 01261035-09999999	22-22949
27	FUEL LINE, UPPER TO LOWER FILTER (5-1/2") Comment: SERIAL 00000000-01261034	32-25228
27	FUEL LINE, UPPER TO LOWER FILTER Comment: SERIAL 01261035-09999999	32-38527
27	FUEL LINE, UPPER TO LOWER FILTER	32-30040
28	TEE ASSEMBLY, LOWER FILTER Comment: SERIAL 00000000-01261034	22-23763
28	TEE ASSEMBLY, LOWER FILTER Comment: SERIAL 01261035-09999999	22-25956
--	SLEEVE, RUBBER	22-22946
--	NUT, FILTER TEE	22-22948

GEAR HOUSING ASSEMBLY (PAGE 1)

Below is the parts list for Mercury 300 350 GEAR HOUSING ASSEMBLY (PAGE 1):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, COMPLETE (3/8" STUD) - SHORT SHAFT Comment: SERIAL 00000000-01231089	1603-1868A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (3/8" STUD) - LONG SHAFT Comment: SERIAL 00000000-01260216	1603-1868A3
-	GEAR HOUSING ASSEMBLY, COMPLETE (7/16" STUD) - SHORT SHAFT Comment: SERIAL 01231090-09999999	1603-1868A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (7/16" STUD) - LONG SHAFT 1 Comment: SERIAL 01260217-09999999	1603-1868A3
-	GEAR HOUSING ASSEMBLY, COMPLETE (7/16"STUD) - SHORT SHAFT	1603-1868A2
-	GEAR HOUSING ASSEMBLY, COMPLETE (7/16" STUD) - LONG SHAFT	1603-1868A3
1	GEAR HOUSING ASSEMBLY (3/8"STUD) Comment: SERIAL 00000000-01231089	1603-1868A4
1	GEAR HOUSING ASSEMBLY (7/16" STUD) Comment: SERIAL 01231090-09999999	1603-1868A4
2	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (3/8" X 1-7/8") Comment: SERIAL 00000000-01231089	16-23071
2	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (7/16" X 2") Comment: SERIAL 01231090-09999999	16-8M0133358
3	BEARING, ROLLER - DRIVE SHAFT	31-62091T
4	TUBE, WATER INLET - LOWER	32-23652
5	SLEEVE, WATER INLET TUBE	23-23651
6	SEAL, WATER TUBE	26-20232
7	SCREEN, WATER INTAKE - GEAR HOUSING	35-23654
-	GASKET, WATER INTAKE SCREEN TO GEAR HOUSING	27-31367
8	DRIVE SHAFT ASSEMBLY (SHORT SHAFT)	45-29617A1
8	DRIVE SHAFT ASSEMBLY ( LONG SHAFT)	45-29618A1
9	RING, RETAINING - BALL BEARING (25/32" I.D.) - SEE NOTE	53-29116
9	RING, RETAINING - BALL BEARING (3/4" I.D.) - SEE NOTE	53-29115
10	GEAR, PINION	43-20834
11	TAB WASHER, PINION GEAR SCREW	14-29163
12	SCREW, PINION GEAR RETAINING	10-20925
13	SHIM, BALL BEARING TO DRIVE SHAFT	15-20929A1
14	BEARING, BALL - DRIVE SHAFT	30-72961
15	"O" RING, WATER PUMP CARTRIDGE	25-26722
16	WATER PUMP CARTRIDGE ASSEMBLY	46-29117A1
17	OIL SEAL	26-90562
18	INSER, WATER UMP CARTRIDGE	28091
19	KEY, WATER PUMP CARTRIDGE	28-28657
20	IMPELLER, WATER PUMP	47-89983T
21	PIN, IMPELLER DRIVE	28-8M0032837	28-56662
22	PLATE, OUTLET - WATER PUMP COVER	20272
23	WATER PUMP COVER ASSEMBLY	20270A2
24	OIL SEAL	26-23517
25	RING, RUBBER - CENTRIFUGAL SLINGER	25-20273
26	"O" RING, DRIVE SHAFT - UPPER	25-29619
27	SHAFT, SHIF - LOWER	25136
28	CLIP, RETAINING - SHIFT SHAFT	53-29641
29	BUSHING ASSEMBLY, SHIF SHAFT	23-46284A1
30	OIL SEAL (SPRING LOADED)	26-892361
31	"O" RING, SHIFT SHAFT BUSHING	25-25439

GEAR HOUSING ASSEMBLY (PAGE 2)

Below is the parts list for Mercury 300 350 GEAR HOUSING ASSEMBLY (PAGE 2):

Position No.	Part Name	OEM Number
32	CAM, LOWER REVERSE LOCKING	52918
33	CAM, UPPER REVERSE LOCKING	52919
33	CAM UPPER REVERSE LOCKING	52919
34	WASHER, GREASE FILLER AND FLUSHING HOLE SCREW	12-191833
35	SCREW, GREASE FILLER AND FLUSHING HOLE	10-79953Q04
36	WASHER, GEAR HOUSING VENT SCREW	19643
37	SCREW, GEAR HOUSING VENT	10-28653
38	CAM, SHIFT	760394
38	CAM, SHIFT	760394
39	FOLLOWER, CAM	20930
40	SLIDE, CROSS PIN	20843
41	SPRING, CAM FOLLOWER PIN	24-20254
42	SHIM, BALL BEARING TO GEAR HOUSING	15-20928A1
43	BEARING, BALL - FORWARD GEAR	30-20840
44	FORWARD GEAR ASSEMBLY	43-20975A5
45	BEARING, ROLLER - FORWARD GEAR	31-20249
46	RATCHET, SLIDING CLUTCH	52-32189
47	PIN, CROSS - RATCHET TO PROPELLER SHAFT	17-20841
48	RING, RETAINING - CROSS PIN	53-20842
49	SHAFT, PROPELLER	44-25254
50	REVERSE GEAR ASSEMBLY	43-20975A5
51	RING, ADAPTOR - BALL BEARING	20864
52	BEARING, BALL - REVERSE GEAR	30-20839T
53	SHIM, ADAPTOR RING TO GEAR HOUSING	15-20927A1
54	"O" RING, BEARING CARRIER	25-20863
55	BEARING CARRIER ASSEMBLY	20862A1
56	BEARING, ROLLER	31-20249
57	OIL SEAL	26-90562
58	WASHER, GEAR HOUSING COVER	12-22970
59	COVER, GEAR HOUSING	20865
60	WASHER, BACKING (1/8")	12-25251
--	PROPELLER ASSEMBLY (2 BLADE - ALUMINUM)	48-29296A2
61	WASHER, BACING (1/32")	12-25252
62	TAB WASHER, PROPELLER NUT	14-25250
63	NUT, PROPELLER (ALUMINUM)	11-29825
63	NUT, PROPELLER (NYLON)	11-29825

MAGNETO ADAPTOR AND PILOT ASSEMBLY

Below is the parts list for Mercury 300 350 MAGNETO ADAPTOR AND PILOT ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	MAGNETO ASSEMBLY, COMPLETE	394-2271A2
2	SHAFT, MAGNETO DRIVE	45-27951
-	MAGNETO ADAPTOR AND PILOT ASSEMBLY, COMPLETE Comment: SERIAL 00000000-01231089	29321A7
-	MAGNETO ADAPTOR AND PILOT ASSEMBLY, COMPLETE Comment: SERIAL 01231090-09999999	29321A5
-	MAGNETO ADAPTOR AND PILOT ASSEMBLY, COMPLETE	29321A7
3	MAGNETO PILOT ASSEMBLY Comment: SERIAL 00000000-01231089	39560A1
3	MAGNETO PILOT ASSEMBLY Comment: SERIAL 01231090-09999999	39560A1
4	BEARING, BALL-MAGNETO PILOT	30-20066
5	SPRING, HORSESHOE-MAGNETO PILOT	24-27944
6	PIN, ANCHOR-AHORSESHOE SPRING TO PILOT	17-27962
7	WASHER, HORSESHOE SPRING TO ANCHOR PIN	12-8M0204649
8	ECONOMIZER COLLAR AND PIN ASSEMBLY	27946A1
9	PIN, ECONOMIZER COLLAR-SPRING RETAINER	17-27961
10	FITTING, GREASE-ECONOMIZER COLLAR	22-25094
11	THROTTLE ACTUATOR ASSEMBLY Comment: SERIAL 00000000-01231089	38230A1
11	THROTTLE ACTUATOR ASSEMBLY Comment: SERIAL 01231090-09999999	38230A1
11	THROTTLE ACTUATOR ASSEMBLY	38230A1
12	BUSHING, NYLON-THROTTLE ACTUATOR	23-26602
12	BUSHING, NYLON-THROTTLE ACTUATOR	23-26602
13	SCREW, THROTTLE ACTUATOR TO ECONOMIZER COLLAR	10-20665
14	WASHER, THROTTLE ACTUATOR SCREW	12-847883	12-20128
15	SWIVEL, LINKAGE-ECONOMIZER COLLAR	27947
16	SWIVEL AND LINK ROD ASSEMBLY	25996A1
17	ADAPTOR, MAGNETO	66856A1
18	FITTING, GREASE-MAGNETO ADAPTOR	22-25094
19	WASHER, MAGNETO PILOT	12-27939
21	WASHER, WAVE-MAGNETO BALL BEARING TENSION	13-27959
22	CAP, MAGNETO ADAPTOR AND PILOT FASTENING	27955
23	SCREW, ADAPTOR AND PILOT TO MANGETO	10-69054
23	SCREW, ADAPTOR AND PILOT TO MANGETO	10-30110
--	LOCKWASHER, ADAPTOR AND PILOT FASTENING SCREW	13-26992
24	SCREW, ADAPTOR AND PILOT TO CRANKCASE	10-78841
25	WASHER, ADAPTOR AND PILOT TO CRANKCASE SCREW	12-20084
26	NUT, ADAPTOR AND PILOT TO CRANKCASE SCREW	11-22053
27	PLATE, THROTTLE STOP Comment: SERIAL 00000000-01231089	27943
27	PLATE, THROTTLE STOP Comment: SERIAL 01231090-09999999	53458
28	DECAL, THROTTLE STOP PLATE Comment: SERIAL 01231090-09999999	37-29315
29	SCREW, THROTTLE STOP ADJUSTING Comment: 2 EACH REQUIRED WITH A-27943 PLATE	10-24933
30	NUT, THROTTLE STOP ADJUSTING SCREW Comment: 2 EACH REQUIRED WITH A-27943 PLATE	11-20088
31	CAP, NYLON-ADJUSTING SCREW Comment: 2 EACH REQUIRED WITH A-27943 PLATE	26852
--	SCREW, THROTTLE STOP PLATE TO ADAPTOR	10-28635
--	LOCKWASHER, THROTTLE STOP PLATE FASTENING SCREW	13-26992
32	SCREW, THROTTLE STOP PLATE TO ADAPTOR	10-69035
33	KEY, MAGNETO DRIVING	28-28657
34	SPACER, PULLEY TO MAGNETO ADAPTOR CAP - OLD STYLE	23-27957
35	PULLEY, DRIVEN - OLD STYLE	29783A2
36	FLANGE, DRIVEN PULLEY - OLD STYLE	20136
37	HUB, DRIVEN PULLEY - NEW STYLE-SEE NOTE BELOW	29784
38	DRIVEN PULLEY ASSEMBLY - NEW STYLE-SEE NOTE BELOW	29783A1
39	ROLL PIN, FLANGE LOCATING - NEW STYLE-SEE NOTE BELOW	17-24873
40	FLANGE, DRIVEN PULLEY - NEW STYLE-SEE NOTE BELOW	29785
41	WASHER, PULLEY CLAMPING SCREW	12-20138
--	LOCKWASHER, PULLEY CLAMPING SCREW	13-26996
42	SCREW, PULLEY CLAMPING	10-32228
43	BELT, TIMING	20140
--	MAGNETO STOP ASSEMBLY Comment: SERIAL 00000000-01231089	27942A1
--	BUMPER, RUBBER-MAGNETO STOP Comment: SERIAL 00000000-01231089	26597
--	SCREW, MAGNETO STOP TO PILOT Comment: SERIAL 00000000-01231089	10-28635
--	WASHER, MAGNETO STOP FASTENING SCREW Comment: SERIAL 00000000-01231089	12-20533
44	ROD, LIN-UPPER	27949
45	NUT, UPPER LINK ROD ADJUSTING	11-25168
46	SWIVEL, UPPER AND LOWER LIND RODS	27948
47	LEVER, LINKAGE-UPPER	28061
48	LEVER, LINKAGE-LOWER	27941
49	ROD, LIN-LOWER	27950
50	SHAFT, VERTICAL	27940
51	BUSHING, NYLON-VERTICAL SHAFT	23-22981
52	ROLL PIN, VERTICAL SHAFT AND LINKAGE LEVERS	17-25870
53	WASHER, UPPER AND LOWER SWIVEL	12-8M0204649
54	NUT, UPPER AND LOWER SWIVEL TO LEVER AND BRACKET	11-8267089
55	SCREW, SET-LINKAGE LEVER	10-25781
56	WASHER, VERTICAL SHAFT-CENTER	12-25866
57	SPARK PLUG	33-813416
58	PROTECTOR, SPARK PLUG	85-63709A1
59	CABLE, HIGH TENSION LEAD-SPARK PLUG	84-821945A46	84-813706A46, 52615A 1
60	"O" RING, HIGH TENSION LEAD CABLE TO END CAP COVER	25-25429
61	CLIP, HIGH TENSION LEAD CABLE FASTENING	54-29425
61	CLIP, HIGH TENSION LEAD CABLE FASTENING	54-20534
62	CLIP, MERCURY SWITCH AND HARNESS LEADS	54-25231
63	SCREW, LEAD CLIP TO MAGNETO	10-20401
64	"D" WASHER, CLIP FASTENING SCREW	8M0084613	69205
65	GROUND STRAP ASSEMBLY, MAGNETO TO CRANKCASE	394-1134A1

MAGNETO ASSEMBLY (INTERNAL PARTS)

Below is the parts list for Mercury 300 350 MAGNETO ASSEMBLY (INTERNAL PARTS):

Position No.	Part Name	OEM Number
-	MAGNETO ASSEMBLY, COMPLETE (4 D-1) SEE NOTE BELOW	394-2271A2
-	MAGNETO ASSEMBLY, COMPLETE (4 D-2) SEE NOTE BELOW	394-2271A2
-	MAGNETO ASSEMBLY, COMPLETE (4 D-3) SEE NOTE BELOW	394-2271A2
1	FRAME, MAGNETO HOUSING Comment: N.L.A.-ORDER A-394-1570A1 FRAME ASSEMBLY	394-1570A1
1	FRAME, MAGNETO HOUSING	394-1570
2	SCREW, SET-COIL BRIDGE	10-25510
3	LOCKWIRE, COIL BRIDGE SET SCREW	394-1051
4	BEARING, BALL (DRIVE END)	30-24998
5	MAGNETO ROTOR AND SHAFT	394-1067A1
6	BEARING, BALL (OPPOSITE DRIVE END)	30-49090
7	SUPPORT, BALL BEARING	394-1637A1
7	SUPPORT, BALL BEARING	394-1637
8	SCREW AND LOCKWASHER, SUPPORT TO FRAME	10-25509
9	WIRE ASSEMBLY, PRIMARY GROUND LEAD	84-60466A13
10	SCREW, PRIMARY GROUND	8,10-46718
10	SCREW, PRIMARY GROUND	10,10-29182
--	WASHER, PRIMARY GROUND TERMINAL HOLDING	12-30267
11	INSULATOR, PRIMARY GROUND TERMINAL	394-1579
12	WASHER, INSULATING-PRIMARY GROUND SCREW	12-25719
12	WASHER, INSULATING-PRIMARY GROUND SCREW	12-29099
13	BUSHING, INSULATIN-HOUSING FRAME	23-25512
13	BUSHING, INSULATING-HOUSING FRAME	23-62769
14	WASHER, PRIMARY GROUND SCREW	12-20192
14	WASHER, PRIMARY GROUND SCREW	12-26014
15	NUT, LOCK-PRIMARY GROUND SCREW	11-28656
15	NUT, LOCK-PRIMARY GROUND SCREW	11-24656
16	NUT, PRIMARY GROUND SCREW	11-21923T
16	NUT, PRIMARY GROUND SCREW	11-68219
17	COIL ASSEMBLY	394-1128A1
18	CLIP, COIL-HIGH TENSION	394-1050
19	LOCKWASHER, COIL TERMINAL	13-23836
20	NUT, COIL CLIP FASTENING	394-1131
21	BREAKER ASSEMBLY	394-1100A3
--	GROMMET, PLASTIC-BREAKER BRACKET	394-1163
--	SCREW, BREAKER TERMINAL	10-26008
--	LOCKWASHER, BREAKER TERMINAL SCREW	13-26994
--	HOLDER AND CAM WICK ASSEMBLY	394-1106A1
21	BREAKER ASSEMBLY	393-1504A11
22	GROMMET, PLASTIC-BREAKER BRACKET	393-1586
23	STUD, PRIMARY LEAD AND TENSION SPRING FASTENING	16-29230
24	NUT, PRIMARY LEAD FASTENING	11-29236
25	HOLDER AND CAM WICK ASSEMBLY	394-1106A1
26	WASHER, BREAKER PIVOT PIN	12-26439
27	COTTPER PIN, BREAKER TO PIVOT PIN	18-26953
28	SCREW, BREAKER HOLDER TO HOUSING	10-20597
--	WASHER, BREAKER ARM	12-25944
--	COTTER PIN (HAIR), BRACKET ARM	18-25723
--	SCREW, BRACKET SUPPORT	10-22032
--	WASHER, BRACKET SUPPORT SCREW	12-20192
--	SCREW AND LOCKWASHER, BRACKET LOCKING	10-25509
29	CONDENSER	394-1130A1
30	SCREW AND LOCKWASHER, CONDENSER FASTENING	10-25509
31	GASKET, MAGNETO COVER	27-25724
31	GASKET, MAGNETO COVER	27-29166
32	COVER, MAGNETO	394-1577A2
32	COVER, MAGNETO	394-1577A2
33	SCREW, COVER TO FRAME	10-32651
33	SCREW, COVER TO FRAME	10-29418
34	TAB WASHER, COVER FASTENING SCREW	14-38359
35	MAGNETO ROTOR ASSEMBLY	394-2602A1
36	CLIP, SPRING	394-1110
37	GASKET, END CAP COVER	27-25725
38	END CAP COVER ASSEMBLY	394-1561A2
39	LEAD ASSEMBLY, HIGH TENSION	394-1065A1
40	BRUSH AND SPRING ASSEMBLY	394-1056A1
41	SCREW, HIGH TENSION CABLE FASTENING	10-25517
42	PIPE PLUG, END CAP COVER	29121
43	SCREW, END CAP COVER TO MAGNETO COVER	10-28259
43	SCREW, END CAP COVER TO MAGNETO COVER	10-29418
44	TAB WASHER, COVER FASTENING SCREW	14-38359
45	ELBOW, PLASTIC-MAGNETO COVER VENT	22-996642

MISCELLANEOUS PARTS/ACCESSORIES

Below is the parts list for Mercury 300 350 MISCELLANEOUS PARTS/ACCESSORIES:

Position No.	Part Name	OEM Number
-	BATTERY	52941
-	BATTERY BOX ASSEMBLY	32144
-	DECAL SOLUTION (PINT BOTTLE)	92-251431
-	GASKET SET	27-26998A1
-	FLUSHING ASSEMBLY	24789A1
-	GEAR LUBRICANT	92-6320012
-	GLUE (BLANKET ADHESIVE)	92-86166Q1
-	SHIPPING CARTON (FUEL TANK)	94-29616
-	MARK 35A, MERC 300, MERC 350 PARTS LIST	90-45772

RECTIFIER, STARTER SOLENOID AND WIRING HARNESS

Below is the parts list for Mercury 300 350 RECTIFIER, STARTER SOLENOID AND WIRING HARNESS:

Position No.	Part Name	OEM Number	Supersedes
1	RECTIFIER ASSEMBLY	32177A2	29691
2	SLEEVE, RECTIFIER LEAD (RED)	32-26693A1
3	DISCONNECT, KNIFE SPLICE - RECTIFIER LEAD WIRES	22647
4	LOCKWASHER, RECTIFIER MOUNTING SCREW	13-8M0204647
5	NUT, RECTIFIER MOUNTING SCREW	11-21929
6	BRACKET, RECTIFIER MOUNTING	28597
7	SCREW, RECTIFIER BRACKET TO BOTTOM COWL	10-21091
8	NUT, BRACKET MOUNTING SCREW	11-24652
9	CLAMP, LEAD WIRE TO RECTIFIER BRACKET - UPPER (1/4")	54-24836
9	CLAMP, LEAD WIRE TO RECTIFIER BRACKET - UPPER (1/4")	54-24836
10	CLAMP, LEAD WIRE TO RECTIFIER BRACKET - LOWER (3/8")	54-22740
11	SCREW, LEAD WIRE CLAMP TO BRACKET	10-8M0113176
12	"D" WASHER, CLAMP FASTENING SCREW	8M0084613	69205
13	SOLENOID, STARTER	32445A1
14	GROUND STRAP ASSEMBLY, SOLENOID TO STARTER	28016A1
15	WIRE, STRTER TO STARTER SOLENOID	84-93389A12
16	LOCKWASHER, SOLENOID TERMINAL (5/16")	13-8M0204647
17	NUT, SOLENOID TERMINAL - INSIDE (5/16")	11-22053
17	NUT, CAP - SOLENOID TERMINAL - OUTSIDE (5/16")	11-26062
18	LOCKWASHER, SOLENOID TERMINAL	10,13-26996
19	NUT, SOLENOID TERMINAL	10,11-68219
20	SCREW, SOLENOID TO STARTER MOTOR	10-29238
--	LOCKWASHER, SOLENOID FATENING SCREW	13-26992
21	WIRING HARNESS (INTERNAL)	33401
22	SPRING, GARTER - INTERNAL WIRING HARNESS	24-28975
23	PLATE, BACKING - WIRING HARNESS	26079A2
24	SCREW, BACKING PLATE TO BOTTOM COWL	10-45893
25	"S" CLIP, WIRING HARNESS LEADS TO BOTTOM COWL	54-22783

TOP COWL AND STARTER ASSEMBLY

Below is the parts list for Mercury 300 350 TOP COWL AND STARTER ASSEMBLY:

Position No.	Part Name	OEM Number
1	TOP COWL ASSEMBLY	177-1600A2
2	STUD, REAR - TOP COWL TO COVER	16-20500
3	STUD, FRONT-TOP COWL TO CRANKCASE	16-20353
4	GROMMET, CHOKE KNOB	25-20116
5	DECAL SET, TOP COWL (COLORED ENGINES) - NOT AS SHOWN	37-28988A1
5	DECAL SET, TOP COWL (WHITE ENGINES) - NOT AS SHOWN	37-46023A1
5	DECAL SET, TOP COWL (NOT AS SHOWN)	37-46023A1
5	DECAL SET, TOP COWL	37-46023A1
6	SPACER, TOP COWL STUD	23-20326
7	WASHER, TOP COWL STUD (3/4" O.D.)	12-69057
8	WASHER, TOP COWL STUD (1/16" THICK)	12-20028
8	WASHER, TOP COWL STUD (1/32" THICK)	12-20583
9	NUT, TOP COWL FASTENING	11-8267089
10	RETAINER, STARTER SPRING	20155
11	SPRING, STARTER REWIND	24-29340T02
12	BUSHING, SPRING GUIDE	23-28912
13	SHEAVE ASSEMBLY	50-28908
13	SHEAVE ASSEMBLY	50-30994
14	PAWL, STARTER	20162
14	PAWL, STARTER	30596
15	WASHER, WAVE-STARTER PAWL	13-29402
15	WASHER, WAVE-STARTER PAWL	13-36206
16	BUSHING, NYLON-SHEAVE SHAFT SPACER	23-28919
17	SPACER, SHEAVE SHAFT	45477A1
18	RETAINER, WAVE WASHER	26179
19	WASHER, WAVE WASHER RETAINER	12-26180
20	WASHER, WAVE-RETAINER TENSION	13-20160
21	PLATE, RETAINER STARTER PAWL	20164
21	PLATE, RETAINER STARTER PAWL	30595
22	SHAFT, SHEAVE	45477A1
23	STARTER CABLE ASSEMBLY	50-12066Q10
24	HANDLE, STARTER CABLE	28747
25	RETAINER, STARTER CABLE AND HANDLE	79470A1
26	HANDLE, TOP COWL	28944
27	SCREW, HANDLE TO TOP COWL	10-29199
27	SCREW, HANDLE TO TOP COWL	10-28667
--	LOCKWASHER, HANDLE FASTENING SCREW	13-26992
28	SCREW, HANDLE TO TOP COWL	10-56500
29	NUT, HANDLE FASTENING SCREW	11-8267089
30	SCREEN, VENT-TOP COWL	28967
--	NUT, SPEED-VENT SCREEN TO TOP COWL - SEE NOTE #1 BELOW	11-28968
31	SCREW, VENT SCREEN TO TOP COWL - SEE NOTE #1 BELOW	10-26668
32	TAB WASHER, SHEAVE SHAFT NUT	14-20165
33	NUT, SHEAVE SHAFT (LEFT HAND THREAD)	11-20166
34	PLATE, ROPE GUIDE (SEE NOTE #2 BELOW)	30045
35	SCREW, DRIVE-ROPE GUIDE PLATE TO TOP COWL	10-28642

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