Mercury 110 (1865779 THRU 2798056) Parts & Diagrams

🔎 Mercury 110 Reference Library — Exploded parts diagrams (19 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 110 is a 2-Stroke, Inline 4-Cylinder outboard motor. A popular choice for small fishing boats, inflatable RIBs, and sailboat auxiliaries.

Quick Reference Specifications

Specification	Value
Engine Type	2-Stroke, Inline 4-Cylinder
Horsepower	10 HP
Displacement	—
Bore x Stroke	—
Spark Plug (Type & Gap)	—
Engine Oil Capacity	—
Recommended Engine Oil	SAE 10W-30 4-Stroke Marine Oil
Gear Case Oil Capacity	—
Idle Speed (in gear)	—
Full Throttle RPM Range	—
Fuel	Unleaded Gasoline, 87 Octane min.

Always verify specifications against your owner's manual for your specific serial number range.

Common Issues & Recommended Parts

Below are common maintenance scenarios for the Mercury 110:

Water Pump / Overheating: If the tell-tale stream is weak or absent, the water pump impeller likely needs replacement. Inspect annually or every 100 hours. → Recommended: Water Pump Impeller Kit
Engine Oil / Maintenance Light: 4-stroke engines require regular oil and filter changes. Use marine-grade oil rated for your engine. Change every 100 hours or annually. → Recommended: Oil Filter, Engine Oil
Fuel Injector Issues (EFI models): Rough idle or misfires may indicate clogged fuel injectors. Use fuel stabilizer and clean injectors periodically. → Recommended: Fuel Injector, Fuel Filter
Gear Case Oil Leak: Check lower unit seals if gear oil appears milky (water contamination). Replace seals and gaskets during lower unit service. → Recommended: Lower Unit Seal Kit, Drain Plug Gaskets
Anode Corrosion: Inspect sacrificial anodes regularly, especially in saltwater. Replace when 50% depleted to protect against galvanic corrosion. → Recommended: Zinc/Aluminum Anode Kit

Parts Diagrams & OEM Part Numbers

Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Mercury 110.

▶BOTTOM COWL AND ADAPTOR PLATE (52 parts)

Ref	OEM Part #	Part Name
--	57186A4	STOP SWITCH ASSEMBLY
1	56711A2	ADAPTOR PLATE ASSEMBLY
2	23-13127	WASHER, NYLON-WATER OUTLET TUBE (ADAPTOR PLATE)
3	26-36556	SEAL, RUBBER-WATER OUTLET TUBE (ADAPTOR PLATE)
4	39044	SEAL, RUBBER-ADAPTOR PLATE
5	27-89937	GASKET, POWERHEAD TO ADAPTOR PLATE Comment: SERIAL 00000000-01987049
6	10-69026	SCREW, ADAPTOR PLATE TO DRIVE SHAFT HOUSING (7/8")
7	13-26992	LOCKWASHER, ADAPTOR PLATE SCREW
8	27-39050	GASKET, ADAPTOR PLATE TO DRIVE SHAFT HOUSING
9	2124-4416A2	COWL, BOTTOM
10	56069	ANCHOR, LATCH-BOTTOM COWL
11	10-22483	SCREW, LATCH ANCHOR TO BOTTOM COWL(1 1/8")
12	13-26992	LOCKWASHER, LATCH ANCHOR SCREW
13	25-39054	GROMMET, CHOKE SHAFAT-BOTTOM COWL
14	39051A1	PLATE ASSEMBLY, COVER-BOTTOM COWL
15	39068	PAD, SOUND-COVER PLATE
16	10-8M0113176	SCREW, COVER PLATE TO BOTTOM COWL (3/8")
17	39058	SEAL, SHIFT HANDLE-BOTTOM COWL
18	39145	MOUNT, RUBBER-BOTTOM COWL TO ADAPTOR PLATE (STARBOARD)
19	39144	MOUNT, RUBBER-BOTTOM COWL TO ADAPTOR PLATE (PORT)
20	10-29238	SCREW, RUBBER MOUNT TO BOTTOM COWL (3/8")
21	11-8M0207775	NUT, ADAPTOR PLATE TO RUBBER MOUNT
22	39565	SPOOL, NYLON-TOP COWL LATCHING (BOTTOM COWL)
23	10-32228	SCREW, NYLON SPOOL TO BOTTOM COWL (5/8")
24	13-26996	LOCKWASHER, NYLON SPOOL SCREW
25	39147	ADAPTOR, R EAR MOUNT TO BOTTOM COWL
26	10-69026	SCREW, REAR MOUNT ADAPTOR TO BOTTOM COWL (7/8")
27	13-26992	LOCKWASHER, REAR MOUNT ADAPTOR SCREW
28	39146	MOUNT, RUBBER-BOTTOM COWL TO ADAPTOR PLATE (REAR)
29	13-26992	LOCKWASHER, REAR MOUNT
30	11-20088	NUT, REAR MOUNT TO ADAPTOR
31	11-8M0207775	NUT, ADAPTOR PLATE TO REAR RUBBER MOUT
32	63648	ROD, COWL LATCH-BOTTOM COWL
33	39099	BRACKET, COWL LATCH ROD
34	10-69026	SCREW, COWL LATCH BRACKET TO BOTTOM COWL (7/8")
35	13-26992	LOCKWASHER, COWL LATCH BRACKET SCREW
36	39083	HANDLE, COWL LATCH ROD (PORT)
37	39098	HANDLE, COWL LATCH ROD (STARBOAR)
38	23-22981	BUSHING, NYLON-COWL LATCH ROD TO BOTTOM COWL
39	17-25319	PIN, ROLL-HANDLE TO COWL LATCH ROD
40	32-28373	SLEEVE, COWL LATCH ROD (EARLY MODELS ONLY)
41	32-8M0108355	TUBE, TELL TALE
42	56712	NOZZLE, TELL TALE
43	10-41228	SCREW, TELL TALE NOZZLE TO BOTTOM COWL
44	32372	HARNESS, STOP SWITCH
45	30859	INSULATOR, SLEEVE-INNER SWITCH TERMINALS
46	24-30858A1	SPRING AND CONTACT ASSEMBLY
47	38950A1	COVER ASSEMBLY, STOP SWITCH
48	12-38949	WASHER, SEALING-STOP SWITCH
49	13-21972	LOCKWASHER, STOP SWITCH CONNECTOR
50	11-21971	NUT, STOP SWITCH TO BOTTOM COWL
51	10-8M0113176	SCREW, STOP SWITCH LEAD TO BOTTOM COWL (3/8")

▶CARBURETOR ASSEMBLY (22 parts)

Ref	OEM Part #	Part Name
--	1399-4206	REPAIR PARTS KIT
1	1334-4106	CARBURETOR ASSEMBLY, COMP. (KB-11A)
2	1395-8673	FLOAT ASSEMBLY
6	1395-92581	INLET NEEDLE, SEAT AND GASKET
9	1399-1133	COVER, FLOAT BOWL
10	10-52195	SCREW, FLOAT BOWL COVER (SHORT)
11	10-52196	SCREW, FLOAT BOWL COVER (LONG)
12	13-26995	LOCKWASHER, FLOAT BOWL COVER SCREW
14	1399-3938	SCREEN, FILTER
16	1399-4791A1	COVER, STRAINGER
18	10-25822	SCREW, STRAINER COVER
19	1395-6027	SCREW, THROTTLE STOP LEVER
20	8146791	LEVER, THROTTLE STOP
21	1399-1716	SHAFT, THROTTLE
25	1399-3763	SHUTTER, THROTTLE
28	10-28845	SCREW, PLUG - BODY CHANNEL
30	10-23178	SCREW, PLUG - MAIN NOZZLE
31	1399-1864	JET, MAIN FUEL (.043)
34	10-28405	SCREW, PLUG - MAIN FUEL JET CHANNEL
35	1399-3740	SCREW, IDLE ADJUSTMENT
37	27-63309	GASKET, CARBURETOR FLANGE
38	11-8M0207775	NUT, CARBURETOR MOUNTING STUDS

▶CARBURETOR CHOKE LINKAGE (23 parts)

Ref	OEM Part #	Part Name
1	59000	THROTTLE LEVER ASSEMBLY
2	10-29239	SCREW, THROTTLE LEVER TO CARBURETOR (1/2")
3	24-32283	SPRING, CHOKE SHUTTER TO LEVER
4	31920A2	LEVER ASSEMBLY, CHOKE SHUTTER
5	39148	SHAFT, CHOKE LEVER TO CHOKE KNOB
6	23-26841	BUSHING, NYLON - CHOKE LEVER SHAFT
7	12-30283	WASHER, CHOKE LEVER SHAFT
8	24-39040	SPRING, TENSION - CHOKE LEVER SHAFT
9	18-25191	COTTER PIN, CHOKE LEVER SHAFT
10	39055	KNOB, CHOKE
11	17-22896	PIN, ROLL - CHOKE KNOB TO SHAFT
12	32374	SHUTTER, CHOKE - CARBURETOR
13	10-31919	SCREW, CHOKE SHUTTER TO CARBURETOR (3/4")
14	13-34632	WASHER, WAVE - CHOKE SHUTTER SCREW
15	23-31313	SPACER, CHOKE SHUTTER SCREW
16	79092	SHUTTER AND SCREEN - CARBURETOR
17	24-53310	SPRING, CHOKE SHUTTER TO LEVER
18	10-55298	SCREW, SHUTTER AND SCREEN TO CARBURETOR EARLY MODELS
19	24-55299A1	SPRING ASSEMBLY, CHOKE SHUTTER LATE MODELS
20	10-55298	SCREW, SPRING TO CARBURETOR LATE MODELS
21	53188	LEVER, CHOKE SHUTTER
22	24-53190	SPRING, TENSION - CHOKE LEVER SHAFT
23	53200	KNOB AND SHAFT - CHOKE

▶CLAMP AND SWIVEL BRACKET ASSEMBLY (57 parts)

Ref	OEM Part #	Part Name
1	1467-5406A2	CLAMP BRACKET ASSEMBLY (PORT)
2	1467-5406A2	CLAMP BRACKET ASSEMBLY (STARBOARD)
3	59170A3	THUMB SCREW ASSEMBLY
4	12-26227	WASHER, THUMB SCREW
5	12-52864	WASHER, TILT TUBE-CLAMP TO SWIVEL BRACKET
6	45757	TILT TUBE, CLAMP BRACKET TO SWIVEL BRACKET
7	54-8M0085928	CLAMP, SAFETY CHAIN-TILT TUBE
8	11-858869	NUT, TILT TUBE FASTENING
9	16-59622	STUD, CLAMP BRACKET SPACER
10	11-8M0207775	NUT, CLAMP BRACKET STUD FASTENING
11	10-67982	SCREW, CLAMP BRACKET TO BOAT TRANSOM
12	12-67983	WASHER, CLAMP BRACKET SCREW
13	11-8267098	NUT, CLAMP BRACKET SCREW
14	17-55952A1	TILT LOCK PIN ASSEMBLY
15	23-30813	SPACER, TUBE-REVERSE LOCK LEVER ROD
16	23-26856	BUSHING, NYLON-REVERSE LOCK LEVER ROD
17	56663	ROD, REVERSE LOCK TO SWIVEL BRACKET
18	18-56206	COTTER PIN, REVERSE LOCK LEVER TO ROD
19	30815	LINK, REVERSE LOCK LEVER
20	53267A1	REVERSE LOCK LEVER ASSEMBLY
21	53435	BRACKET, STOP
22	24-53456	SPRING, EXTENSION-STOP BRACKET
23	24-31918	SPRING, TENSION-REVERSE LOCK LEVER
24	38318	ROD, LINK-REVERSE LOCK LEVER
25	17-25905	PIN, ROLL-SWIVEL BRACKET CONTROL LEVER
26	32351T	LEVER, CONTROL-REVERSE LOCK
27	10-28789	SCREW, CONTROL LEVER TO SWIVEL BRACKET
28	12-8M0204666	WASHER, CONTROL LEVER SCREW
29	23-31309	SPACER, CONTROL LEVER FASTENING SCREW
30	13-34632	WASHER, WAVE-CONTROL LEVER FASTENING SCREW
31	12-24812	WASHER, CONTROL LEVER FASTENING SCREW
32	56636A1	LINK ASSEMBLY, REVERSE LOCK CONTROL LEVER
33	56637T	LEVER, CONTROL-REVERSE LOCK
34	10-852368	SCREW, CONTROL LEVER TO LINK
35	12-8M0204666	WASHER, CONTROL LEVER FASTENING SCREW
36	23-56639	SPACER, CONTROL LEVER SCREW
37	13-34632	WASHER, WAVE-CONTROL LEVER SCREW
38	12-24812	WASHER, CONTROL LEVER SCREW
39	20203	DISC, FRICTION-CLAMP PLATE AND SWIVEL BRACKET
40	61296	PLATE, CLAMP-CO-PILOT
41	10-56649	SCREW, CLAMP PLATE ADJUSTING
42	19-77633Q	LUBRICAP, GREASE FITTING
43	22-8M0169589	FITTING, GREASE-SWIVEL BRACKET
44	1451-1788	SWIVEL BRACKET
45	25-25439	"O" RING, SWIVEL BRACKET
46	38-31042	SERIAL PLATE
47	10-28642	SCREW, DRIVE-SERIAL PLATE TO SWIVEL BRACKET
48	63310A1	LEVER, TILT STOP
49	10-29237	SCREW, RETAINING-TILT STOP LEVER
50	11-8M0207775	NUT, TILT STOP LEVER RETAINING SCREW
51	10-27791	SCREW, ANCHOR-TILT STOP LEVER
52	13-20846	WASHER, WAVE-LEVER ANCHOR SCREW
53	11-8M0207775	NUT, TILT STOP LEVER ANCHOR SCREW
54	17-30688	SWIVEL PIN, SWIVEL BRACKET TO SADDLE
55	77334	CO-PILOT DISC
56	10-30679	SCREW, CO-PILOT DISC TO SADDLE
57	11-8M0207775	NUT, CO-PILOT DISC FASTENING SCREW

▶CRANKSHAFT AND MAIN BEARING ASSEMBLY (8 parts)

Ref	OEM Part #	Part Name
1	421-2224	CRANKSHAFT
2	550-8122A5	MAIN BEARING ASSEMBLY (VALVE TYPE)
3	17-65855	PIN, DOWEL - MAIN BEARING
4	10-56781	SCREW, MAIN BEARING CLAMPING
5	17-20032	PIN, DOWEL - MAIN BEARING TO BLOCK
6	34-31942A1	REED SET, MATCHED - MAIN BEARING
7	34-20053	REED STOP, MAIN BEARING REED VALVES
8	10-27304	SCREW, REED STOP MOUNTING

▶CYLINDER BLOCK AND CRANKCASE ASSEMBLY (45 parts)

Ref	OEM Part #	Part Name
1	837-2756A7	CYLINDER BLOCK AND CRANKCASE ASSEMBLY
2	21-28481A1	CHECK VALVE ASSEMBLY, CRANKCASE
3	19-56688	WELCH PLUG, CYLINDER BLOCK
4	16-728091	STUD, BLOCK AND CRANKCASE TO DRIVE SHAFT HOUSING
5	10-657461	STUD, CARBURETOR MOUNTING
6	17-21438	PIN, DOWEL-CRANKCASE TO CYLINDER BLOCK
7	22-328022	PLUG, PIPE-CYLINDER BLOCK
8	22-996642	ELBOW, TELL TALE-CYLINDER BLOCK
9	10-64278	SCREW, CRANKCASE TO CYLINDER BLOCK (1")
10	10-24624	SCREW, CRANKCASE TO CYLINDER BLOCK (1 3/4)
11	11-8M0207775	NUT, CRANKCASE FASTENING SCREW
12	10-98260	SCREW, MAIN BEARING LOCKING
13	14-20091	TAB WASHER, MAIN BEARING LOCKING SCREW
14	15-31412A1	SHIM, UPPER HOUSING TO CYLINDER BLOCK(.002-3-5-10)
15	1141-3971A1	BEARING HOUSING ASSEMBLY, UPPER (NOT AS SHOWN)
16	30-72961	BEARING, BALL-UPPER BEARING HOUSING
17	31-31410	BEARING, ROLLER-UPPER BEARING HOUSING
18	26-66301	OIL SEAL, UPPER BEARING HOUSING
19	25-20863	"O" RING, UPPPER BEARING HOUSING
20	54-34598	CLAMP, HOLD DOWN RING
21	10-36205	SCREW, RING CLAMP TO BEARING HOUSING
22	24-34731	SPRING, RING CLAMP SCREW
23	10-39002	SCREW, UPPER BEARING HOUSING (1/2")
24	27-780321	GASKET, TRANSFER PORT COVER
25	31430	COVER, TRANSFER PORT
26	10-20720	SCREW, PORT COVER TO CYLINDER BLOCK (5/8")
27	1019-7465A1	COVER, CYLINDER BLOCK
28	27-41382	GASKET, CYLINDER BLOCK COVER
29	10-21091	SCREW, CYLINDER BLOCK COVER TO CYLINDER BLOCK (1 1/8")
30	11-8M0207775	NUT, CYLINDER BLOCK COVER MOUNTING SCREW
31	27-78035	GASKET, CYLINDER BLOCK TO BAFFLE PLATE
32	27-78035	PLATE, BAFFLE - EXHAUST MANIFOLD
33	27-78035	GASKET, BAFFLE PLATE TO EXHAUST MANIFOLD COVER
34	74919T	COVER, EXHAUST MANIFOLD
35	10-28636	SCREW, BAFFLE PLATE AND MANIFOLD COVER MOUTING
36	30212	TERMINAL BLOCK, EXHAUST MANIFOLD COVER
37	10-35519	SCREW, TERMINAL BLOCK TO EXHAUST MANIFOLD COVER
38	10-62568	SCREW, MAGNETO GROUND LEADS TO TERMINAL BLOCK
39	54-24836	CLIP, MAGNETO GROUND LEAD
40	10-62568	SCREW, GROUND LEAD CLIP TO MANIFOLD COVER
41	8M0084613	"D" WASHER, GROUND LEAD FASTENING SCREW
42	30-72961	BEARING, BALL - CRANKCASE (LOWER)
43	26-56397	OIL SEAL, CRANKCASE (LOWER)
44	10-23015	SCREW, ADJUSTING - THROTTLE CONTROL
45	11-68219	NUT, THROTTLE CONTROL ADJUSTING SCREW

▶DRIVE SHAFT HOUSING ASSEMBLY (20 parts)

Ref	OEM Part #	Part Name
1	1558-4031A1	DRIVE SHAFT HOUSING ASSEMBLY (LONG SHAFT)
2	16-66373	STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING
3	11-8M0204726	NUT, DRIVE SHAFT HOUSING STUD
4	11-82670911	NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING STUD
5	39025	COVER, TRIM-DRIVE SHAFT HOUSING
6	10-25764	SCREW, TRIM COVER TO BOTTOM COWL (7/16")
7	32-39062	TUBE, WATER OUTLET (LONG SHAFT)
8	10-79953Q04	SCREW, FLUSH-DRIVE SHAFT HOUSING
9	12-191833	WASHER, SEALING-FLUSH SCREW
10	27-39050	GASKET, ADAPTOR PLATE TO DRIVE SHAFT HOUSING
11	11-24652	NUT, POWERHEAD TO DRIVE SHAFT HOUSING STUDS
12	47259A1	BLOCK ASSEMBLY, DRIVE SHAFT (LONG SHAFT) Comment: SERIAL 02196389-09999999
13	10-47225	SCREW, BLOCK ASSEMBLY TO DRIVE SHAFT HOUSING (LONG SHAFT) Comment: SERIAL 02196389-09999999
14	1559-8448A2	SADDLE
15	32021	BUMPER, LOWER THRUST-SADDLE
16	79896A1	MOUNT ASSEMBLY, UPPER AND LOWER Comment: FOR MERC 110-5, 110-6, 110-7, 110-8 AND 110-9 LONG SHAFT ENGINES, REPLACE 2 UPPER MOUNT ASSEMBLIES (A-30646A2) WITH 2 A-30646A3 MOUNT ASSEMBLIES
17	53-26406	RING, RETAINING-UPPER AND LOWER MOUNT
18	71490	COVER, LOWER MOUNT
19	71490	COVER, UPPER MOUNT
20	10-45817	SCREW, LOWER MOUNT COVER TO MOUNT (7/16")

▶FLYWHEEL ASSEMBLY AND THROTTLE CAM LINKAGE (28 parts)

Ref	OEM Part #	Part Name
1	11-20696	NUT, FLYWHEEL
2	12-36245	WASHER, FLYWHEEL NUT
3	25-62701	"O" RING, FLYWHEEL HUB
4	28-20094	KEY, FLYWHEEL DRIVE
5	219-2246A4	FLYWHEEL ASSEMBLY, COMPLETE
6	23-34367	COLLAR, FLYWHEEL DUST SHIELD
7	13-22027	WASHER, WAVE - MAGNETO CAM TENSION
8	398-2574A4	STATOR PLATE ASSEMBLY, COMPLETE Comment: FOR ADDITIONAL PARTS OF A-398-2574A4 STATOR PLATE ASSEMBLY, COMPLETE, SEE PAGE 6
9	39326A1	SHIELD ASSEMBLY, MAGNETO
10	10-45742	SCREW, SHIELD TO MAGNETO
11	13-26996	LOCKWASHER, SHIELD SCREW
12	33904	RING, HOLD DOWN - STATOR PLATE
13	10-35400	SCREW, HOLD DOWN RIING TO STATOR PLATE
14	398-2230	CAM, BREAKER
15	15-33910015	SHIM, STATOR PLATE TO UPPER END CAP (.015)
16	54-45806	CLAMP, STATOR LEAD
17	10-20720	SCREW, STATOR LEAD CLIP TO PORT COVER
18	8M0084613	"D" WASHER, LEAD CLIP SCREW
19	34363A1	THROTTLE CAM BRACKET ASSEMBLY
20	10-53296	SCREW, CAM BRACKET TO STATOR PLATE
21	13-26991	LOCKWASHER, CAM PRACKET FASTENING SCREW
22	54-34449	CLIP, THROTTLE CAM BRACKET
23	36000	CAM, THROTTLE
24	10-53296	SCREW, THROTTLE CAM TO CAM BRACKET
25	10-34696	SCREW, CONTROL LEVER TO CAM BRACKET
26	13-29720	WASHER, WAVE - CONTROL LEVER SCREW
27	12-34392	WASHER, CONTROL LEVER SCREW
28	11-28656	NUT, CONTROL LEVER SCREW

▶FLYWHEEL, STATOR AND IGNITION COIL (48 parts)

Ref	OEM Part #	Part Name
1	11-20696	NUT, FLYWHEEL
2	12-36245	WASHER, FLYWHEEL NUT
3	25-62701	"O" RING, FLYWHEEL NUT
4	28-20094	KEY, FLYWHEEL DRIVE
5	239-4174A1	FLYWHEEL ASSEMBLY
6	13-35629	WASHER, WAVE - CAM TENSION
7	336-3928	CAM, BREAKER
8	336-3996A7	STATOR ASSEMBLY
9	10-69560	SCREW, STATOR TO END CAP (1 1/4")
10	336-3979A1	HOUSING ASSEMBLY, CONTACT
11	336-4318A2	BREAKER ASSEMBLY, CONTACT HOUSING
12	10-56266	SCREW, BREAKER TO CONTACT HOUSING (E/8")
13	56317A1	CABLE ASSEMBLY, CONTACT HOUSING (BROWN - 17 3/4")
14	38938	BOOT, CABLE
15	336-3989	WICK, CAM WIPER - CONTACT HOUSING
16	336-3981	INSULATOR, CABLE TO CONTACT HOUSING
17	11-56325	NUT, CABLE INSULATOR
18	336-4429	HOLDER, CONTACT HOUSING
19	336-3988A1	COVER ASSEMBLY, CONTACT HOUSING
20	10-56336	SCREW, COVER TO CONTACT HOUSING (1/2")
21	12-56077	WASHER, WEAR - CONTACT HOUSING TO UPPER BEARING HOUSING
22	13-59145	WASHER, WAVE - CONTACT HOUSING TO UPPER BEARING HOUSING
23	54-26550	CLIP, CONTACT HOUSING AND STATOR LEADS
24	10-62568	SCREW, CONTACT HOUSING AND STATOR LEADS CLIP ATTACHING
25	8M0084613	"D" WASHER, CLIP SCREW
26	54-56382	CLIP, IGNITION COIL LEADS CLAMP
27	36000	CAM, THROTTLE
28	10-28707	SCREW, THROTTLE CAM TO CONTACT HOUSING (1/2")
29	34361	LINK, THROTTLE
30	10-34696	SCREW, THROTTLE LINK TO THROTTLE LEVER AND CONTACT HOUSING Comment: (3/4")
31	12-34392	WASHER, THROTTLE LINK SCREW
32	13-29720	WASHER, WAVE - THROTTLE LINK SCREW
33	11-28656	NUT, THROTTLE LINK SCREW
34	56757A1	JUMPER WIRE ASSEMBLY, STATOR TO THROTTLE LINK
35	10-8M0113176	SCREW, JUMPER WIRE ATTACHIING (5/16")
36	336-4409A4	COIL ASSEMBLY, IGNITION
37	13-26996	LOCKWASHER, IGNITION COIL TERMINAL
38	11-45076	NUT, IGNITION COIL TERMINAL
39	56188	COVER, IGNITION COIL
40	10-56543	SCREW, COIL COVER TO COIL MOUNTAIN BRACKET (2")
41	11-27164	NUT, COIL COVER SCREW
42	56352	BRACKET, COIL SUPPORT
43	10-64278	SCREW, BRACKET TO CYLINDER BLOCK (1")
44	11-8M0207775	NUT, BRACKET SCREW
45	84-813715A1	LEAD ASSEMBLY, HIGH TENSION
46	332-2854T01	NIPPLE, IGNITION COIL
47	85-63709A1	PROTECTOR ASSEMBLY, SPARK PLUG
48	33-896329833	SPARK PLUG (AC #40FFK)

▶FUEL PUMP ASSEMBLY (26 parts)

Ref	OEM Part #	Part Name
1	39082A4	FUEL PUMP ASSEMBLY Comment: (MERC-110-5: S/N 1912759 thru 2125963 and S/N 1865779 thru 2095505)(MERC 110-6: S/N 2135068 thru 2275946 and S/N 2098352 thru 2246009)(MERC 110-7: S/N2290663 thru 2475151 and S/N 2295448 thru 2295997)
2	21-22974A3	CHECK VALVE ASSEMBLY
3	31503A1	DIAPHRAGM KIT, FUEL PUMP
5	39259	SPACER, FUEL PUMP
6	22-33373001	ELBOW, FUEL PUMP SPACER TO PRESSURE HOSE
7	10-68918	SCREW, FUEL PUMP TO SPACER (1")
8	22-39079	ELBOW, FUEL PUMP TO CARBURETOR
9	89977A1	FUEL PUMP ASSEMBLY Comment: (MERC-110-8: S/N 2508759 thru 2708870 and S/N 2514399 thru 2709765)(MERC 110-9: S/N 2798057 thru 2938415 and S/N 280252 thru 2939545)
10	21-30430A2	CHECK VALVE ASSEMBLY
11	53245A1	DIAPHRAGM KIT, FUEL PUMP
14	53241	BASE, FUEL PUMP
15	54066	COVER, FUEL PUMP
16	22-54090	ELBOW, FUEL PUMP OUTLET
17	10-32627	SCREW, FUEL PUMP TO BASE
18	12-847883	WASHER, FUEL PUMP SCREW
19	22-53246	ELBOW, FUEL PUMP TO CARBURETOR
20	32-64055	FUEL LINE, FUEL PUMP TO CARBURETOR
21	32-9912688	HOSE, PRESSURE - FUEL PUMP (7 1/8")
22	22-53553	ELBOW, CYLINDER BLOCK TO PRESSURE HOSE (45)
23	32-53247	FUEL LINE, FUEL PUMP TO ADAPTOR (7")
24	32454	ADAPTOR, CHECK UNIT (FUEL LINE)
25	39052	SEAL, ADAPTOR TO BOTTOM COWL
26	10-73656	SCREW, ADAPTOR TO BOTTOM COWL (1 3/8")
27	24-28357	SPRING, ADAPTOR SCREW
28	11-20110	NUT, ADAPTOR SCREW
29	10-29200	SCREW, FUEL PUMP TO ANCHOR (5/8")

▶GEAR HOUSING ASSEMBLY, COMPLETE (29 parts)

Ref	OEM Part #	Part Name
-	1630-2643A33	GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) Comment: SEE NOTE 2 IN BLOCK COMMENTS
1	1630-2643A9	GEAR HOUSING ASSEMBLY - SEE PAGE 26 FOR PARTS BREAKDOWN
47	30599	CAM, SHIFT
48	31334	FOLLOWER, SHIFT CAM
49	24-31333	SPRING, COMPRESSION-CAM FOLLOWER
50	15-30522A1	SHIM, FORWARD GEAR BALL BEARING TO GEAR HOUSING (.002-3-5-1
51	30-21889	BEARING, BALL-FORWARD GEAR
52	43-48577A3	FORWARD GEAR ASSEMBLY (SPIRAL)
53	31-22458	BEARING, ROLLER-FORWARD GEAR
54	52-47581	RATCHET ASSEMBLY, SLIDING CLUTCH (SPIRAL)
55	53-32449	RING, RETAINING-CROSS PIN Comment: PART OF 1-52-32473A1 RATCHET ASSEMLBY
56	17-30535	PIN, CROSS-RATCHET TO PROPELLER SHAFT
57	44-47851	SHAFT, PROPELLER
58	43-48578	REVERSE GEAR ASSEMBLY (SPIRAL)
59	12-30531	WASHER, THRUST-REVERSE GEAR
60	30-21889	BEARING, BALL-REVERSE GEAR
61	15-30532A1	SHIM, THRUST WASHER TO GEAR HOUSING (.002-3-5-10)
62	25-30529	"O" RING, BEARING CARRIER
63	30541T1	BEARING CARRIER ASSEMBLY
64	31-22458	BEARING, ROLLER-BEARING CARRIER
65	26-30530	OIL SEAL, BEARING CARRIER
66	12-30528	WASHER, GEAR HOUSING COVER
67	30537	COVER, GEAR HOUSING
68	86665A1	THRUST HUB ASSEMBLY, PROPELLER SHAFT
69	86665A1	WASHER, CUPPED-THRUST H UB
70	48-47670A10	PROPELLER ASSEMBLY (3 BLADE-ALUMINUM-7" PITCH)
71	11-64075A1	SPACER, SPLINED-PROPELLER SHAFT
72	12-27025	WASHER, PROPELLER NUT
73	11-8M0204653	NUT, PROPELLER

▶GEAR HOUSING ASSEMBLY, COMPLETE(CONT) (47 parts)

Ref	OEM Part #	Part Name
-	1630-2643A33	GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) Comment: SEE NOTE 2 IN BLOCK COMMENTS
1	1630-2643A9	GEAR HOUSING ASSEMBLY
2	16-58138	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (3 7/16")
3	16-58136	STUD, WATER PUMP HOUSING TO GEAR HOUSING (2 3/4")
4	31-22756	BEARING, ROLLER-DRIVE SHAFT
5	17-20032	PIN, DOWEL-LOCATING
6	26-33613	SEAL, RUBBER-WATER INTAKE TUBE
7	23-86215	WASHER, NYLON-INTAKE TUBE SEAL
8	35-33425	SCREEN, WATER INTAKE
9	10-28642	SCREW, WATER INTAKE SCREEN TO GEAR HOUSING
10	12-191833	WASHER, GREASE FILLER HOLE SCREW
11	10-79953Q04	SCREW, GREASE FILLER HOLE
12	19643	WASHER, GREASE VENT HOLE SCREW
13	10-28653	SCREW, GREASE VENT HOLE
14	54641A1	SHIFT SHAFT ASSEMBLY - LOWER (LONG SHAFT)
15	53-22899	RING, RETAINING-SHIFT SHAFT Comment: PART OF A-54640A1 AND A-54641A1 SHIFT SHAFT ASSEMBLIES
16	23-30676A1	BUSHING ASSEMBLY, SHIFT SHAFT
17	25-26802	"O" RING, SHIFT SHAFT BUSHING
18	26-30696	OIL SEAL, SHIFT SHAFT BUSHING
19	10-39149	SCREW, SHIFT SHAFT BUSHING RETAINER
20	25-38933	"O" RING, LOWER SHIFT SHAFT
21	43-98696	GEAR, PINION (SPIRAL)
22	14-30377	TAB WASHER, PINION GEAR TO DRIVE SHAFT SCREW
23	10-30376	SCREW, PINION GEAR TO DRIVE SHAFT
24	45-39077	DRIVE SHAFT (LONG SHAFT)
25	15-30527A1	SHIM, DRIVE SHAFT BALL BEARING TO GEAR HOUSING (.002-3-5-10
26	30-33076	BEARING, BALL-DRIVE SHAFT
27	53-30523	RING, RETAINING-BALL BEARING TO DRIVE SHAFT
28	15-30527A1	SHIM, DRIVE SHAFT BALL BEARING TO PUMP (.002-3-5-10)
29	46-46893A3	WATER PUMP HOUSING ASSEMBLY (PLASTIC)
30	25-29439	""O" RING, WATER PUMP HOUSING
31	26-30900T	OIL SEAL, WATER PUMP HOUSING
32	26-33613	SEAL, WATER INTAKE TUBE
33	32-34293	TUBE, WATER INTAKE
34	70977T	INSERT, WATER PUMP HOUSING (PLASTIC)
35	28-8M0032835	KEY, IMPELLER DRIVE
36	47-89981	IMPELLER, WATER PUMP
37	46895	PLATE, FACE-WATER PUMP HOUSING TO WATER PUMP COVER
38	93224A1	WATER PUMP COVER ASSEMBLY (PLASTIC)
39	26-36558	SEAL, WATER PUMP COVER
40	23-13127	WASHER, NYLON-WATER PUMP COVER
41	26-30913	OIL SEAL, WATER PUMP COVER
42	12-20533	WASHER, WATER PUMP HOUSING AND COVER STUDS
43	11-826709109	NUT, WATER PUMP HOUSING AND COVER STUDS
44	25-30526	RING, RUBBER-CENTRIFUGAL SLINGER (DRIVE SHAFT)
45	23-31792T	SLEEVE, GUIDE-WATER INLET TUBE
46	25-48171	"O" RING, UPPER-DRIVE SHAFT

▶MISCELLANEOUS/ACCESSORIES (1 parts)

Ref	OEM Part #	Part Name
-	46-46893A6	MERC 110-5, -6, -7 , -8 AND -9 RESISTANT WATER PUMP KIT

▶PISTON AND CONNECTING ROD ASSEMBLY (9 parts)

Ref	OEM Part #	Part Name
1	608-7395A2	CONNECTING ROD ASSEMBLY
2	10-87374	SCREW, CONNECTING ROD
3	29-26815	BEARING, NEEDLE - CRANKPIN
4	11-20061	NUT, CONNECTING ROD SCREW
5	12-31433	WASHER, NEEDLE BEARING RETAINING
6	29-31505	BEARING, NEEDLE - PISTON PIN
7	719-7391T3	PISTON/PIN ASS'Y Comment: SERIAL 02387384-09999999
8	40-21666	LOCK RING, PISTON PIN
9	39-21665A12	RING, PISTON

▶SHIFT CONTROL LINKAGE (23 parts)

Ref	OEM Part #	Part Name
1	59107	HANDLE, SHIFT CONTROL
2	12-8M0204649	WASHER, SHIFT CONTROL SHAFT
3	11-826709109	NUT, SHIFT HANDLE TO SHIFT CONTROL SHAFT
4	23-30678	BUSHING, NYLON - SHIFT CONTROL SHAFT
5	24-30817	SPRING, TENSION - SHIFT COTNROL SHAFT
6	12-37828	WASHER, SHIFT CONTROL SHAFT
7	13-36206	WASHER, WAVE - SHIFT CONTROL SHAFT
8	63673	LEVER, SHIFT CONTROL (REMOTE)
9	17-99615	PIN, SHIFT LEVER TO SHIFT CONTROL SHAFT
10	39047	SHAFT, SHIFT CONTROL
11	43-30802	GEAR, SECTOR - SHFIT CONTROL SHAFT (HORIZONTAL)
12	12-8M0204649	WASHER, SHIFT CONTROL SHAFT
13	11-8267089	NUT, SECTOR GEAR TO SHIFT CONTROL SHAFT
14	24-30816	SPRING, DETENT - SECTOR GEAR
15	10-28639	SCREW, DETENT SPRING TO BOTTOM COWL (5/8")
16	13-21272	LOCKWASHER, DETENT SPRING SCREW
17	24-39627	SPRING, DETENT - SHIFT CONTROL LEVER
18	39601	PLATE, DETENT SPRING
19	10-25764	SCREW, PLATE AND SPRING TO ADAPTOR PLATE
20	23-30677	BUSHING, NYLON - UPPER SHIFT SHAFT
21	45250A2	SHIFT SHAFT ASSEMBLY, UPPER Comment: SERIAL 01987830-09999999
22	43-32453	GEAR, SECTOR - UPPER SHIFT SHAFT
22A	43-86686A1	GEAR, SECTOR - SHIFT SHAFT Comment: SECTOR GEAR IS INCLUDED WITH GEAR HOUSING ASSEMBLY, COMPLETE.

▶STATOR PLATE ASSEMBLY (40 parts)

Ref	OEM Part #	Part Name
-	398-2574A4	STATOR PLATE ASSEMBLY, COMPLETE Comment: FOR ADDITIONAL PARTS OF A-398-2574A4 STATOR PLATE ASSEMBLY, COMPLETE, SEE PAGE 3
--	92-336731	IGNTIION COIL BOND KIT
1	398-2221	STATOR PLATE AND CORE
2	398-2568T1	COIL ASSEMBLY
3	398-2321	CLIP, COIL RETAINING
4	398-2413	CLIP, COIL RETAINING
5	398-2207	FELT, CAM - BREAKER
6	398-732	CLIP, GROUND WIRE LEAD
7	10-21130	SCREW, GROUND TERMINAL
8	398-2203	CONDENSER ASSEMBLY
9	10-38395	SCREW, CONDENSER FASTENING (1 1/4")
10	13-21134	LOCKWASHER, CONDENSER FASTENING SCREW
11	12-21135	WASHER, CONDENSER FASTENING SCREW
12	54-39844A1	CLAMP, LEAD WIRE
13	12-21135	WASHER, LEAD WIRE CLAMP SCREW
14	13-21134	LOCKWASHER, LEAD WIRE CLAMP SCREW
15	11-21923T	NUT, LEAD WIRE CLAMP SCREW
16	11-21825	NUT, COIL LEAD WIRE CLIP SCREW (SPACER)
17	54-24836	CLIP, NYLON - COIL LEAD WIRE
18	8M0084613	"D" WASHER, COIL LEAD WIRE CLIP
19	13-26995	LOCKWASHER, COIL LEAD WIRE CLIP SCREW
20	11-26419	NUT, COIL LEAD WIRE CLIP SCREW
21	398-2202	BREAKER ASSEMBLY
22	10-33988	SCREW/LOCKWASHER, BREAKER FASTENING
23	12-21135	WASHER, TERMINAL SCREW
24	13-21134	LOCKWASHER, TERMINAL SCREW
25	11-21923T	NUT, TERMINAL SCREW
26	398-2206	GROUND LEAD, STATOR TO TERMINAL BLOCK
27	23-30419	SLEEVE, INISULATION - GROUND LEAD
28	84-821945A46	LEAD WIRE
29	84-821945A46	LEAD WIRE - TOP
30	85-63709A1	PROTECTOR, SPARK PLUS
31	20117	MARKER, "TOP" - LEAD WIRE
32	33-8M0114739	SPARK PLUG (CHAMPION - L4J)
33	398-2208	COVER, DUST - STATOR PLATE
34	10-36455	SCREW, DUST COVER TO STATOR PLATE
35	54-24836	CLIP, #1 AND #2 STATOR LEADS
36	10-62568	SCREW, #1 AND #2 CLIP TO MANIFOLD COVER
37	8M0084613	"D" WASHER, CLIP FASTENING SCREW
38	12-847883	WASHER, #2 STATOR LEAD CLIP SCREW

▶STEERING HANDLE ASSEMBLY (42 parts)

Ref	OEM Part #	Part Name
-	60850A6	STEERING HANDLE ASSEMBLY, COMPLETE
1	27763	GRIP, RUBBER-STEERING HANDLE BODY
2	35909	BODY AND SHAFT, STEERING HANDLE
3	31001	INDICATOR, SPEED AND LIMIT-STEERING HANDLE
4	10-31002	SCREW, SET-SPEED AND SHIFT INDICATOR
5	10-22290	SCREW, DRIVE-INDICATOR TO STEERING HANDLE BODY
6	23-30677	BUSHING, NYLON-STEERING HANDLE TO BODY
7	49556A3	STEERING HANDLE ASSEMBLY Comment: SERIAL 00000000-02388440
7A	49556	HANDLE, STEERING Comment: SERIAL 0238844I-09999999
7B	49558	KNUCKLE, STEERING HANDLE Comment: SERIAL 0238844I-09999999
7C	23-49555	BUSHING, RUBBER-STEERING HANDLE Comment: SERIAL 0238844I-09999999
8	23-28100	BUSHING, NYLON-STEERING HANDLE
9	12-30283	WASHER, STEERING HANDLE SHAFT
10	24-26703	SPRING, STEERING HANDLE SHAFT
11	39211	RETAINER, YOKE PIN HOLDING
12	39208	YOKE, STEERING HANDLE SHAFT
13	17-26862	PIN, YOKE TO STEERING HANDLE SHAFT
14	43-53205	GEAR, BALL-STEERING HANDLE SHAFT
15	17-26862	PIN, BALL GEAR TO STEERING HANDLE SHAFT
16	53-53204	RING, RETAINING-BALL GEAR
17	48003	PIVOT, STEERING HANDLE TO BRACKET
18	15-48002015	SHIM, STEERING HANDLE PIVOT TO BRACKET (.015)
19	13-39227	WASHER, WAVE-STEERING HANDLE PIVOT TO BRACKET
20	13-39228	LOCKWASHER, STEERING HANDLE SCREW
21	10-64074	SCREW, STEERING HANDLE TO ARM BRACKET (5/8")
22	39046A1	THROTTLE CONTROL SHAFT ASSEMBLY
22A	47742A1	UNIVERSAL JOINT ASSEMBLY
23	23-48005	SLEEVE, UNIVERSAL JOINT
24	43-53205	GEAR, BALL-UNIVERSAL JOINT
25	17-26862	PIN, BALL GEAR TO UNIVERSAL JOINT
26	53-53204	RING, RETAINING-BALL GEAR
27	10-96138	SCREW, THROTTLE CONTROL SHAFT TO BRACKET
28	39210	PLATE, NYLON-THROTTLE CONTROL SHAFT
29	39185	SHIELD, STEERING HANDLE
30	61629A1	BRACKET, STEERING ARM
31	47743	BOOT, UNIVERSAL JOINT
32	23-47818	BUSHING, STEERING ARM BRACKET
33	24-72847	SPRING, DETENT-STEERING HANDLE
34	10-37655	SCREW, DETENT SPRING TO STEERING HANDLE
35	39070	BOOT, RUBBER-THROTTLE CONTROL SHAFT
36	10-30679	SCREW, STEERING ARM BRACKET TO SADDLE
37	11-8M0207775	NUT, STEERING ARM BRACKET FASTENING SCREW

▶THROTTLE CONTROL LINKAGE (27 parts)

Ref	OEM Part #	Part Name
1	39038	SOCKET, THROTTLE CONTROL
2	23-31011	BUSHING, NYLON - THROTTLE CONTROL SOCKET
3	43-39030	GEAR, HORIZONTAL - THROTTLE CONTROL SOCKET
4	17-24800	PIN, ROLL - GEAR TO THROTTLE CONTROL SOCKET
5	39029	HOUSING, THROTTLE CONTROL
6	10-56500	SCREW, THROTTLE CONTROL HOUSING TO CRANKCASE (1 1/4")
7	13-26992	LOCKWASHER, THROTTLE CONTROL HOUSING SCREW
8	24-39042	SPRING, NEUTRAL SPEED LIMITER FOLLOWER
9	10-21807	SCREW, LIMITER TO CONTROL HOUSING Comment: SERIAL 02088658-09999999
10	12-8M0174819	WASHER, SPEED LIMITER FOLLOWER STUD
11	23-30972	BUSHING, SPEED LIMITER FOLLOWER STUD
12	63308A1	FOLLOWER, NEUTRAL SPEED LIMITER
13	11-20088	NUT, JAM - SPEED LIMITER FOLLOWER STUD
14	54-39788	CLAMP, STOP SWITCH LEAD - SPEED LIMITER FOLLOWER STUD
15	12-8M0204649	WASHER, SPEED LIMITER FOLLOWER STUD
16	11-8267139	NUT, SPEED LIMITER FOLLOWER STUD
17	36017	STOP, NEUTRAL SPEED LIMITER
18	10-28710	SCREW, NEUTRAL SPEED LIMITER STOP TO FOLLOWER (5/8")
19	12-24676	WASHER, NEUTRAL SPEED LIMITER STOP SCREW
20	43-39031	GEAR AND SHAFT, THROTTLE CONTROL
21	13-39041	WASHER, WAVE - GEAR AND SHAFT (LOWER)
22	23-30868	BUSHING, NYLON- GEAR AND SHAFT TO THROTTLE CONTROL HSG.
23	39033A1	LEVER ASSEMBLY, THROTTLE CONTROL
24	23-26841	BUSHING, NYLON - GEAR AND SHAFT ( UPPER)
25	17-22896	PIN, ROLL - THROTTLE CONTROL LEVER TO GEAR AND SHAFT
26	10-23015	SCREW, ADJUSTING - THROTTLE ADVANCE
27	11-68219	NUT, LOCK - THROTTLE ADVANCE ADJUSTING SCREW

▶TOP COWL AND STARTER ASSEMBLY (49 parts)

Ref	OEM Part #	Part Name
1	2123-3953A2	COWL, TOP
2	39080	BLANKET, SOUND ABSORBING - TOP COWL - TOP
3	39071	BLANKET, SOUND ABSORBING - TOP COWL
4	25-39086	GROMMET, COWL LATCH - TOP COWL
5	2128-2667A8	COVER ASSEMBLY, FRONT
6	39039	STRIP, RUBBER - FRONT COVER
7	23-39578	SPACER, FRONT COVER STUD
8	11-8267089	NUT, FRONT COVER STUD
9	63307A2	STARTER HOUSING ASSEMBLY
10	57821	GUIDE, ROPE - STARTER HOUSING
11	39043	SEAL, STARTER HOUSING TO TOP COWL
12	10-22968	SCREW, STARTER HOUSING TO CYLINDER BLOCK (1 1/4")
13	13-26992	LOCKWASHER, STARTER HOUSING SCREW
14	55860	PULLEY, STARTER CABLE
15	10-28789	SCREW, CABLE PULLEY SCREW
16	12-22887	WASHER, CABLE PULLEY SCREW
17	23-309772	SPACER, CABLE PULLEY
18	39084	PLATE, SEAL - TOP COWL
19	39093	SEAL, TOP COWL PLATE
20	10-8M0113176	SCREW, PLATE AND SEAL TO TOP COWL (3/8")
21	39027	SHIELD, TOP COWL - REAR
22	10-38055	SCREW, REAR SHIELD TO TOP COWL (5/8")
23	13-26996	LOCKWASHER, REAR SHIELD SCREW
24	56377	SEAL, TOP COWL (42")
25	56377	SEAL, TOP COWL - FRONT (4 3/4")
26	39088A1	COWL LATCH ASSEMBLY, TOP COWL
27	24-59174	SPRING, COMPRESSION - COWL LATCH
28	17-39095	PIN, ROLL - SPRING TO COWL LATCH
29	10-69069	SCREW, COWL LATCH TO TOP COWL
30	13-26992	LOCKWASHER, COWL LATCH SCREW
31	14-20165	TAB WASHER, SHEAVE SHAFT NUT
32	11-20166	NUT, SHEAVE SHAFT (LEFT HAND THREAD)
33	20155	RETAINER, STARTER SPRING
34	24-29340T02	SPRING, STARTER REWIND
35	23-28912	BUSHING, STARTER SPRING GUIDE
36	50-93696A2	STARTER SHEAVE ASSEMBLY
37	17-22896	PIN, RETAINER - STARTER CABLE
38	13-36206	WASHER, WAVE - STARTER PAWL
39	30596	PAWL, STARTER
40	23-28919	BUSHING, NYLON - SHEAVE SHAFT SPACER
41	23-61005	APACER< SHEAVE SHAFT
42	26179	RETAINER, SHEAVE SHAFT TO STARTER SHEAVE
43	12-35559	WASHER, SHEAVE SHAFT RETAINER
44	13-20160	WASHER, WAVE - RETAINER TENSION
45	30595	PLATE, RETAINER - STATER PAWL
46	35558	SHAFT, SHEAVE
47	50-12066Q10	STARTER CABLE ASSEMBLY
48	30782	HANDLE, STARTER CABLE
49	79470A1	RETAINER, STARTER CABLE AND HANDLE

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 110 running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.

Replace water pump impeller and inspect wear plate
Change engine oil and oil filter (check drain plug washer)
Replace spark plugs and check ignition timing
Drain and refill lower unit gear oil; inspect for water contamination
Inspect fuel lines, primer bulb, and fuel filter for deterioration
Check and replace sacrificial anodes (zinc or aluminum)
Inspect propeller for damage; check shaft seal and cotter pin
Check valve clearance (refer to service manual for specifications)
Lubricate all grease points (steering, tilt tube, shift linkage)
Inspect control cables and throttle/shift linkage for smooth operation

Pro Tip: Always flush the engine with fresh water after saltwater use — even a quick 10-minute flush significantly extends component life.
Pro Tip: Use fuel stabilizer in the tank before winter storage, and fog the cylinders to prevent internal corrosion during extended periods of non-use.

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