Mercury XR-4 (0B242885 THRU 0C100860) Parts & Diagrams

🔎 Mercury XR-4 Reference Library — Exploded parts diagrams (25 diagrams), specifications, common issues, and maintenance checklist.

The Mercury XR-4 is a 4-Stroke, 1-Cylinder outboard motor. Designed for large center-consoles, offshore sport-fishing boats, and multi-engine configurations.

Quick Reference Specifications

Specification	Value
Engine Type	4-Stroke, 1-Cylinder
Horsepower	175 HP
Displacement	123 cc
Bore x Stroke	59 mm x 45 mm
Spark Plug (Type & Gap)	NGK DPR6EA-9
Engine Oil Capacity	0.45 L (15 fl oz)
Recommended Engine Oil	SAE 10W-30 Mercury 4-Stroke Outboard Oil
Gear Case Oil Capacity	189 mL (6 fl oz)
Idle Speed (in gear)	1100 RPM (in gear)
Full Throttle RPM Range	4500-5500
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 XR-4:

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 XR-4.

▶CARBURETOR ASSEMBLY (30 parts)

Ref	OEM Part #	Part Name
-	1395-6452	GASKET KIT
--	1395-8506	REPAIR KIT, Carburetor
1	3307-9671A3	CARBURETOR (BOTTOM)
2	1399-3796	JET, (.076), BOWL VENT
3	NSS	NOT SOLD SEPARATE, Gasket-Cover Plate
4	1395-6032	PLATE, COVER
5	NSS	NOT SOLD SEPARATE, Screw-Cover Plate
6	1395-7822	BOWL, Fuel (CENTER/BOTTOM)
7	NSS	NOT SOLD SEPARATE, Screw-Fuel Bowl
8	1395-6025	PLUG, MAIN JET
9	NSS	NOT SOLD SEPARATE, Gasket-Main Jet Retainer
10	1399-3794	JET, (.074), MAIN FUEL
11	NSS	NOT SOLD SEPARATE, Screw-Float Pin
12	NSS	NOT SOLD SEPARATE, Gasket-Inlet Needle and Seat
13	1395-7824	NEEDLE/SEAT ASSEMBLY, Inlet
14	NSS	NOT SOLD SEPARATE, Gasket-Nozzle Boss
15	1395-9267	FLOAT
16	NSS	NOT SOLD SEPARATE, Pin-Float Lever
17	NSS	NOT SOLD SEPARATE, Gasket-Fuel Bowl
18	1395-4541	SCREW, IDLE AIR BLEED JET
19	NSS	NOT SOLD SEPARATE, Gasket-Bleed Jet Plug
20	1395-6359	JET, (.052), IDLE AIR BLEED
21	1395-6027	SCREW, THROTTLE LEVER
22	67752	LEVER, THROTTLE
23	NSS	NOT SOLD SEPARATE, Spring-Throttle Return
24	1395-6031	SPACER, THROTTLE LEVER
25	1395-6022	SHAFT, THROTTLE
26	NSS	NOT SOLD SEPARATE, Ring-Retainer-Throttle Shaft
27	1395-6023	VALVE, Throttle
28	NSS	NOT SOLD SEPARATE, Screw-Throttle Valve

▶CHOKE PLATE AND THROTTLE LEVERS (27 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	67245T	BRACKET, COWL MOUNTING (UPPER)
2	25-67272	GROMMET, COWL MOUNTING BRACKET
3	90435	MOUNT, COWL MOUNTING BRACKET
4	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, MOUNT ATTACHING
5	11-35888	NUT, (.250-28) Stainless Steel, MOUNT ATTACHING
7	799831	PLATE, CHOKE
8	27-672741	GASKET, CHOKE PLATE TO CARBURETOR
9	10-68000	SCREW, (.250-28 x 1.00), CHOKE PLATE TO CARBURETOR
10	12-20583	WASHER, CHOKE PLATE SCREW
11	27-672751	GASKET, COVER
12	67246T	COVER, INDUCTION SILENCER
13	10-30720	SCREW, (.250-20 x 2.25), COVER TO CHOKE PLATE
14	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, COVER SCREW
15	13-26992	LOCKWASHER, (.250) Stainless Steel, COVER SCREW
16	67760	LINK, Throttle
17	67759	LEVER, Throttle (UPPER)
18	41049	LEVER, Throttle (CENTER)
19	67749	LEVER, Throttle (LOWER)
20	10-15124	SCREW, (#10-32 x .750)
21	10,13-26996	LOCKWASHER, Stainless Steel, THROTTLE LEVER SCREW
22	12-8M0204666	WASHER, (.203 x .500 x .032), THROTTLE LEVER SCREW
23	17-67297	PIN, Clevis, THROTTLE LEVERS TO THROTTLE LINK
24	12-89302	WASHER, (.203 x .406 x .040), CLEVIS PIN
25	18-26953	COTTER PIN, CLEVIS PIN
26	67748	ROLLER, LOWER THROTTLE LEVER
27	19-90585	PLUG, INDUCTION SILENCER COVER

▶COWL MOUNTING BRACKET (32 parts)

Ref	OEM Part #	Part Name
1	76258A3	BRACKET, REAR COWL (GRAY)
2	22-76256	NOZZLE, TELL TALE
3	67984	SEAL, REAR COWL BRACKET TO COWL
4	67228	SEAL, REAR COWL BRACKET TO COWL
5	67999	SEAL, REAR COWL BRACKET TO COWL
6	32-8M0108355	LINE, (57.00 Inches Bulk), TELL TALE (Cut to 4 Inches)
7	22-90824001	TEE, TELL TALE HOSE
8	54-816311T	CLAMP, TELL TALE HOSE
9	86386A1	BRACKET ASSEMBLY, COWL SUPPORT
10	10-66687	SCREW, (#10-32 x 1.50), REAR COWL BRACKET
11	85650	HOUSING, COWL HINGE - STARBOARD
12	10-64278	SCREW, (.250-28 x 1.00), COWL HINGE HOUSING
13	12-20583	WASHER, COWL HINGE HOUSING SCREW
14	11-35888	NUT, (.250-28) Stainless Steel, COWL HINGE HOUSING SCREW
15	90435	MOUNT, COWL MOUNTING BRACKET
16	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, COWL MOUNTING BRACKET MOUNT
17	11-35888	NUT, (.250-28) Stainless Steel, COWL MOUNTING BRACKET MOUNT
18	99424	BRACKET, COWL MOUNTING (LOWER)
19	99447	RETAINER, CABLE
20	10-68918	SCREW, (.190-24 x 1.00), CABLE RETAINER
21	67260	SEAL, CONTROL CABLES
22	67241	HOUSING, COWL LATCH
23	10-92051	SCREW, (10-16 x .75), COWL LATCH HOUSING
24	87608	LATCH, Cowl
25	24-60295	SPRING, COWL LATCH
26	88622	PLATE, CABLE RETAINER
27	99391	RETAINER, OIL LINES
28	10-69067	SCREW, (.250-20 x 1.375), LOWER BRACKET
29	12-69057	WASHER, LOWER BRACKET SCREW (SMALL)
30	12-35280	WASHER, LOWER BRACKET SCREW (LARGE)
31	23-88180	BUSHING, LOWER BRACKET GROMMET
32	25-88033	GROMMET, LOWER BRACKET

▶COWLS AND FRONT COVER (35 parts)

Ref	OEM Part #	Part Name
1	2151-7620A28	TOP COWL ASSEMBLY, PORT (GRAY)
2	2150-7619A7	TOP COWL ASSEMBLY, STARBOARD (GRAY)
3	17196A1	SHIELD, AIR INLET
4	11-65110	NUT
5	17238	SEAL, AIR INLET
6	17195	SHIELD, AIR INLET (STARBOARD)
7	67260	SEAL, CONTROL CABLE
8	88227	BLANKET, SOUND - COWL
9	67258	PAD, COWL ASSEMBLY TO FRONT COVER (PORT)
10	879871	BRACKET, COWL ATTACHING (UPPER)
11	87985	BRACKET, COWL ATTACHING (LOWER)
12	10-37562	SCREW, (.312-18 x 1.00) Stainless Steel, UPPER AND LOWER BRACKETS
13	68048	SHIELD, INLET - COWL (PORT)
14	10-48409	SCREW, (#10-16 x .625) Stainless Steel, SHIELD TO COWL
15	62628	BARREL, RETAINING - COWL LATCH
16	46785A5	LATCH ASSEMBLY, Cowl
17	10-31312	SCREW, (#10-32 x 0.875), BARRELL TO COWL LATCH
18	15222	BAR, ADJUSTING - COWL LATCH
19	62629	BARREL, RETAINING COWL LATCH
20	24-62624	SPRING, COWL LATCH
21	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel, SPRING TO ADJUSTING BAR
22	10-32,11-859124	NUT, Stainless Steel, SPRING TO ADJUSTING BAR
23	2149-7532A23	COVER ASSEMBLY, Cowl - Front (GRAY)
24	67615	BLANKET, SOUND - COWL FRONT COVER
25	87907	HOOK, COWL FRONT COVER
26	10-95700	SCREW, (#10-16 x .500), HOOK TO COWL FRONT COVER
27	47341A11	ROPE AND HANDLE KIT, Manual/Emergency Start (FOR MANUAL STARTING)
28	84-16636A1	HARNESS ASSEMBLY
30	10-72202	SCREW, (#10-32 x 1.25), SWITCH
31	12-8M0204666	WASHER, (.203 x .500 x .032), SWITCH SCREW
32	10-32,11-8267096	NUT, , SWITCH SCREW
33	84-16639A1	HARNESS ASSEMBLY
34	54-22875	CLIP, HARNESS
35	10-48408	SCREW, (#10-16 x .500), HARNESS CLIP
36	8M0084613	C WASHER, HARNESS CLIP

▶CRANKSHAFT, PISTONS AND CONNECTING RODS (18 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	455-8745T5	CRANKSHAFT ASSEMBLY
2	30-67923T	BEARING, Ball, CRANKSHAFT (LOWER)
3	53-67446	RING, BALL BAEARING
4	43-99727A1	GEAR, Drive
5	54196A6	CARRIER ASSEMBLY, SEAL
6	65800	PACKING, CARRIER
7	39-78633	RING, SEALING - CRANKSHAFT (.139 THICK)
8	31-93495T	BEARING, Roller, CRANKSHAFT
9	53-67444	RING, Retaining, ROLLER BEARING
10	766-8667A43	PISTON ASSEMBLY, Port Comment: (.015 Oversize)
11	39-815267A4	RING SET, Piston Comment: (.015 Oversize)
12	53-857196	RING, Lock, PISTON
13	636-8119A6	CONNECTING ROD ASSEMBLY
14	10-93886	SCREW, (.312-28 x .875), CONNECTING ROD
15	12-8M0032839	WASHER, NEEDLE LOCATING
16	8M0234886	BEARING KIT, CRANKSHAFT END
17	29-67483	BEARING, Needle, PISTON END

▶CYLINDER BLOCK AND END CAPS (37 parts)

Ref	OEM Part #	Part Name
-	18274T88	POWERHEAD ASSEMBLY
1	858-8712A43	CYLINDER BLOCK
2	16-76175	STUD, POWERHEAD (1-7/8")
3	16-8M0034454	STUD, POWERHEAD (6-3/4")
4	17-43044	PIN, Dowel, LOCATING
5	17-8M0036405	PIN, CYLINDER BLOCK (BEARING RACE)
6	27-11338	GASKET, SEALING
7	8M0088723	COVER, STARTER MOTOR (UPPER)
8	10-73657	SCREW, (.312-18 x 1.50), COVER TO CRANKCASE
9	13-8M0204647	LOCKWASHER, (.312), STARTER MOTOR COVER SCREW
10	76867	COVER, STARTER MOTOR (LOWER)
11	10-815549	SCREW, (.312-18 x 2), COVER TO CRANKCASE
11A	23-99448	BUSHING
12	10-74824	SCREW, (.312-18 x 1.250), CRANKCASE TO CYLINDER BLOCK
13	1159-8454T2	END CAP ASSEMBLY, UPPER
14	25-54029	O-RING, (2.800 x .103), END CAP
15	31-93496T	BEARING, Roller, END CAP
16	26-41953	SEAL, END CAP
17	10-30225	SCREW AND LOCKWASHER, (.312-18 x 1.00), UPPER END CAP TO CYLINDER BLOCK
18	10-24220	SCREW, (.190-24 x .190), SET - CYLINDER BLOCK
19	22-38407	PLUG, (.500-14), CYLINDER BLOCK (WATER JACKET)
20	16-15094	STUD, (.190-32 x 1.870), FLYWHEEL COVER TO CYLINDER BLOCK
21	16-8M0034435	STUD, (#10-32 x 1.00), FLYWHEEL COVER TO BRACKET
22	23-67269	SPACER, FLYWHEEL COVER STUD
23	12-8M0204663	WASHER, FLYWHEEL COVER STUD
24	12-72761	WASHER, (.203 x .562 x .060) Stainless Steel, FLYWHEEL COVER STUD
25	11-816874	NUT, FLYWHEEL COVER STUD
26	422482	BRACKET, FLYWHEEL COVER
27	10-49668	SCREW, (.250-20 x .750), BRACKET TO CRANKCASE
28	1156-7809T1	END CAP ASSEMBLY, LOWER
29	25-62700	O-RING, (3.237 x .103), END CAP
30	26-41953	SEAL, END CAP
31	10-28636	SCREW, (.250-20 x .750), LOWER END CAP TO CYLINDER BLOCK
32	13-26992	LOCKWASHER, (.250) Stainless Steel, LOWER END CAP SCREW
33	10-64022	SCREW, (.250-20 x 2.125), ADJUSTING - CYLINDER BLOCK
34	11-64015	NUT, (.250-20), JAM - ADJUSTING SCREW
35	26852	CAP, Nylon, NYLON - ADJUSTING SCREW

▶DRIVESHAFT HOUSING AND EXHAUST TUBE (38 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	1590-8343A8	HOUSING ASSEMBLY, Driveshaft (GRAY)
2	16-56295	STUD, (.437 x 2.69), DRIVE SHAFT HSG./GEAR HSG (LONG)
3	25067	BUMPER, LOWER MOUNT SCREW
4	10-898831	SCREW, (.500-20 x 6.00), LOWER MOUNT
5	77327	MOUNT (LOWER)
6	12-49339	WASHER, (.8125), LOWER MOUNT SCREW
7	11-25096	NUT, LOWER MOUNT SCREW
8	88238A10	CABLE ASSEMBLY, Ground
9	54-8M0036782	CLAMP, LOWER MOUNT
10	10-66727	SCREW, (.312-18 x 1.250)
11	67077F1	COVER, LOWER MOUNT CLAMP (GRAY)
12	10-88417	SCREW, (#12-24 x .620), COVER ATTACHING
13	11-35521	NUT, NYLON - COVER TO CLAMP SCREW
14	88238A10	CABLE ASSEMBLY, Ground
15	10-41508	SCREW, (.250-20 x .500) Stainless Steel, GROUND WIRE
16	12-73862	WASHER, GEAR HOUSING STUD
17	11-29489	NUT, GEAR HOUSING STUD (CAP)
18	12-45176	WASHER, (.453 x .812 x .105) Stainless Steel, GEAR HOUSING STUD
19	11-8M0204653	NUT, (.437-20) Stainless Steel, GEAR HOUSING STUD
20	19-64649	PLUG, DRIVE SHAFT HOUSING
21	89743	TUBE, Exhaust
22	66350001	SEAL, EXHAUST TUBE (LOWER)
23	86027	SEAL, EXHAUST TUBE (UPPER)
24	32-8M0042788	TUBE, Water, WATER (LONG)
25	27-991734	GASKET, DRIVE SHAFT HOUSING TO PLATE
26	41945A6	PLATE ASSEMBLY, DRIVE SHAFT HOUSING
27	707482	SEAL, BRACKET
28	68011	BRACKET, SEAL RETAINING
29	10-48408	SCREW, (#10-16 x .500), BRACKET TO PLATE
30	17-43044	PIN, Dowel, LOCATING
31	26-38970	SEAL, WATER TUBE
32	10-90192	SCREW, (.250-20 x .750) Stainless Steel, DIFFUSER TO PLATE
33	27-991772	GASKET, DRIVE SHAFT HOUSING PLATE TO EXHAUST PLATE
34	12-20553	WASHER, POWERHEAD STUD
35	11-69254	NUT, POWER HEAD STUD
36	17303T1	DIFFUSER, EXHAUST
37	27-782461	GASKET, EXHAUST DIFFUSER

▶EXHAUST MANIFOLD AND EXHAUST PLATE (33 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	27-904841	GASKET, DIVIDER PLATE
2	99169A1	DIVIDER PLATE
3	26-814754	SEAL, DIVIDER PLATE
4	95067	COVER, EXHAUST MANIFOLD
5	10-74824	SCREW, (.312-18 x 1.250), COVER AND PLATE TO CYLINDER BLOCK
6	14462A1	COVER, RELIEF VALVE
7	10-74824	SCREW, (.312-18 x 1.250), COVER TO CYLINDER BLOCK
8	27-78690002	GASKET, RELIEF VALVE PLATE
9	16497A1	PLATE, RELIEF VALVE
10	144791	DIAPHRAGM
11	16496	DEFLECTOR, Water
12	12-76451	WASHER, DIAPHRAGM SCREW
13	10-69570	SCREW, (#10-16 x .750), DIAPHRAGM TO PLATE
14	24-64878	SPRING, (Black), COMPRESSION POPPET VALVE
15	14480	POPPET, VALVE
16	65848	CARRIER, POPPET VALVE
17	25-64872	GROMMET, POPPET VALVE
18	12-85303	WASHER, POPPET SPRING
19	41944A5	PLATE ASSEMBLY, EXHAUST
20	22-996642	ELBOW, EXHAUST PLATE
21	17-43044	PIN, Dowel, LOCATING - EXHAUST PLATE
22	707482	SEAL, EXHAUST PLATE
23	680101	BRACKET, SEAL RETAINING
24	10-48408	SCREW, (#10-16 x .500), BRACKET TO EXHAUST PLATE
25	12-20553	WASHER, POWERHEAD STUD
26	11-69254	NUT, POWERHEAD STUD
27	23-27132	BUSHING, EXHAUST PLATE
28	10-66727	SCREW, (.312-18 x 1.250), EXHAUST PLATE ATTACHING
29	10-68783	SCREW, (.312-18 x 2.50), EXHAUST PLATE ATTACHING
30	10-898833	SCREW, (.375-16 x 3.50), EXHAUST PLATE ATTACHING
31	25-12602002	GROMMET, EXHAUST PLATE
32	27-991764	GASKET, EXHAUT PLATE

▶FLYWHEEL, STARTER MOTOR AND IGNITION COILS (36 parts)

Ref	OEM Part #	Part Name
1	79918A1	COVER KIT, FLYWHEEL
2	79022	MARKER, TIMING
3	10-37572	SCREW, (.190-32 x .380), TIMING MARKER
4	12-72761	WASHER, (.203 x .562 x .060) Stainless Steel, TIMING MARKER SCREW
5	19-89219001	PLUG, FLYWHEEL COVER
6	19-45907	PLUG, Yellow, FLYWHEEL
7	11-52901	NUT, (.625-18), FLYWHEEL
8	12-33001	WASHER, (.641 x 1.250 x .190), FLYWHEEL
9	271-859238A9	FLYWHEEL
10	10-32417	SCREW, (.250-28 x .625), FLYWHEEL PLATE
11	10-68997	SCREW, (.312-24 x .750), FLYWHEEL HUB
12	398-5454A35	STATOR
13	10-19926100	SCREW, (#10-24 x 1.00), STATOR
14	93772A11	MODULE
15	96455A9	PLATE ASSEMBLY, Trigger
16	50-893893	STARTER MOTOR ASSEMBLY (8 TOOTH PINION)
17	23-8M0034918	COLLAR, STARTER MOTOR
18	8M0043376	STOP, Rubber, RUBBER - STARTER MOTOR
19	13-26992	LOCKWASHER, (.250) Stainless Steel, STARTER MOTOR TERMINAL
20	11-20890	NUT, (.250-20), STARTER MOTOR TERMINAL
21	84-93388A14	CABLE ASSEMBLY, Black, SOLENIOD TO STARTER MOTOR
22	10-69035	SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel, CABLE TO STARTER MOTOR
23	84-93388A1	CABLE ASSEMBLY, (6.00 Inches) Black, PLATE TO STARTER MOTOR
24	339-832757A4	COIL ASSEMBLY, Ignition, IGNITION
25	67614	COVER, IGNITION COIL
26	10-88447	SCREW, (.190-32 x 1.62), IGNITION COIL COVER
27	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel, IGNITION COIL COVER SCREW
28	10-32,11-45076	NUT, Brass, IGNITION COIL TERMINAL
29	84-88807A6	CABLE ASSEMBLY, (3.50 Inches) Black, IGNITION COIL
30	10-68513	SCREW, (#10-32 x .375) Stainless Steel, GROUND STRAP
31	84-813715A1	LEAD ASSEMBLY, HIGH TENSION
32	85-63709A1	BOOT/TERMINAL KIT, HIGH TENSION CABLE
33	33-13686Q	SPARK PLUG
34	84-69739A2	HARNESS ASSEMBLY, COIL TO SWITCH BOX Comment: (#1, 3 AND 5)
35	10-690201	SCREW, (#10-32 x .875), ADVANCE MODULE
36	12-38833	WASHER, ADVANCE MODULE SCREW

▶FUEL PUMP AND CARBURETOR (53 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	3307-9671A1	CARBURETOR (TOP)
2	3307-9671A2	CARBURETOR (CENTER)
3	3307-9671A3	CARBURETOR (BOTTOM)
4	1395-6232	FITTING, FUEL INLET (UPPER)
5	22-70007	FITTING, 45 Degree, FUEL INLET
6	27-904301	GASKET, CARBURETOR
7	11-8M0207775	NUT, (1/4-28X7/32), CARBURETOR MOUNTING
8	54-816311T	CLAMP, FUEL HOSE TO CARBURETOR
9	42859A2	VALVE ASSEMBLY, Enrichner
10	54-633001	CLAMP, ENRICHER VALVE
11	10-73286	SCREW, (.250-20 x .500) Stainless Steel, VALVE CLAMP
12	86-45915	TERMINAL BLOCK, REED BLOCK HOUSING
13	10-35519	SCREW, (#10-16 x .500), TERMINAL BLOCK ATTACHING
14	32-892024122	TUBING, (20.00 Feet Bulk), TOP CARBURETOR TO VALVE (Cut to 7.75 Inches)
15	32-9912688	TUBING, (36.00 Inches Bulk), CARBURETOR TO CARBURETOR (Cut to 4.25 Inches)
16	15930A15	PUMP ASSEMBLY, Fuel
17	21-857005A1	DIAPHRAGM KIT
18	NSS	NOT SOLD SEPARATE, Check Valve-Rubber
19	NSS	NOT SOLD SEPARATE, Gasket-Boost
20	NSS	NOT SOLD SEPARATE, Diaphragm
21	NSS	NOT SOLD SEPARATE, Gasket-Pulse
22	NSS	NOT SOLD SEPARATE, Spring
23	NSS	NOT SOLD SEPARATE, Cap
24	NSS	NOT SOLD SEPARATE, Check Vavle
25	NSS	NOT SOLD SEPARATE, Retainer
26	NSS	NOT SOLD SEPARATE, Spring
27	NSS	NOT SOLD SEPARATE, Cap
28	27-8M0204705	GASKET, BASE
29	144303	BASE, FUEL PUMP
30	987752	PLATE, FUEL PUMP
31	22-56800	PLUG, Pipe (.0625-27)
32	22-19688	FITTING
33	10-16452	SCREW, (#12-24 x 2.00), FUEL PUMP
34	10-4000310	SCREW, (M5 x 40), FUEL PUMP TO CRANKCASE
35	12-4002314	WASHER, FUEL PUMP SCREW
36	22-14868	FITTING, FUEL PUMP (ELBOW)
37	22-19688	FITTING, FUEL PUMP (ELBOW)
38	32-8M0108355	LINE, (57.00 Inches Bulk)
39	35-816296Q03	FILTER, Fuel
40	54-15279	CLAMP, FUEL FILTER
41	22-64705	FITTING, PULSE HOSE
42	32-8M0108349	TUBING
43	22-424253	TEE
44	22-36221	ELBOW, FUEL LINE TO ADAPTOR
45	30186	ADAPTOR, CHECK UNIT
46	30187	STEM, CHECK UNIT ADAPTOR
47	24-30189	SPRING, ADAPTOR STEM
48	25-16524	O-RING, ADAPTOR STEM
49	30188	WASHER, ADAPTOR
50	10-69067	SCREW, (.250-20 x 1.375), ADAPTOR TO BOTTOM COWL
51	92037	SEAL, FUEL CONNECTOR
52	32-8M0108349	TUBING

▶GEAR HOUSING(DRIVESHAFT) (CASTING #1674-814247C) (43 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	1674-814247T2	GEAR HOUSING ASSEMBLY, Basic - Gray
2	22-85822A10	CONNECTOR ASSEMBLY
2A	23-43998	SLEEVE
3	17-43044	PIN, Dowel
4	16-786382	STUD, (.438 x 3.12)
5	16-8M0133358	STUD, (.44 x 2.06)
6	16-8M0034463	STUD, (.312 x 3.38)
7	16-306671	STUD, (.250-20/.250-28 x 3.125)
8	31-35934A1	BEARING ASSEMBLY, Roller
9	10-79953Q04	SCREW, (.375-16 x .250), GREASE FILLER
10	22-8M0058389	SCREW, Magnetic, DRAIN
11	45-815168	DRIVESHAFT
13	12-191833	WASHER, Fiber
14	11-35921	NUT, (.625-18)
15	15-42637A1	SHIM SET
16	31-8M0146566	BEARING ASSEMBLY, Roller/Cup
17	8245191	NUT
18	46-8M0077147	BASE ASSEMBLY, Water Pump
19	27-8M0204678	GASKET
20	25-8M0142854	O-RING, (2.175 x .175)
21	26-89238	SEAL, Oil
22	26-16977	SEAL, Oil
23	27-8M0090319	GASKET, LOWER
24	27-858524	GASKET, UPPER
25	8M0204677	FACE PLATE
26	46-96148T1	BODY ASSEMBLY, Water Pump
27	48752T	INSERT
28	26-38970	SEAL, RUBBER
29	47-89984T3	IMPELLER
30	28-8M0214992	KEY
31	10-8M0215009	SCREW, (#14-8 x 2.25)
32	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
33	11-8267119	NUT, (.250-28)
34	12-36001	WASHER
35	11-13436	NUT
37	23-29804T	SLEEVE
38	8152641	SHIFT SHAFT, LOWER
39	53-29641	E RING
40	25-25439	O-RING, (.862 x .103)
41	23-77631A2	BUSHING ASSEMBLY
42	26-8M0204708	SEAL, Oil
43	12-77674	WASHER, RUBBER - SHIFT SHAFT BUSHING

▶GEAR HOUSING(DRIVESHAFT)(CASTING #1655-9572C) (43 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	1674-814247T9	GEAR HOUSING ASSEMBLY (GRAY)
2	22-85822A10	CONNECTOR ASSEMBLY, SPEEDOMETER
3	17-43044	PIN, Dowel, GEAR HOUSING LOCATING
4	16-786382	STUD, (.438 x 3.12), GEAR HOUSING
5	16-8M0133358	STUD, (.44 x 2.06), GEAR HOUSING
6	16-8M0034463	STUD, (.312 x 3.38), WATER PUMP
7	16-306671	STUD, (.250-20/.250-28 x 3.125), WATER PUMP
8	31-32898T	BEARING, DRIVESHAFT
9	10-79953Q04	SCREW, (.375-16 x .250), GREASE FILLER
10	22-8M0058389	SCREW, Magnetic, DRAIN
11	45-15298	DRIVESHAFT
13	12-191833	WASHER, GREASE FILLER AND DRAIN SCREW
14	11-35921	NUT, (.625-18), PINION GEAR TO DRIVESHAFT
15	15-42637A1	SHIM SET, ROLLER BEARING TO GEAR HOUSING
16	31-8M0146566	BEARING ASSEMBLY, Roller/Cup, DRIVESHAFT
17	8245191	NUT, DRIVESHAFT BEARING
18	46-8M0077147	BASE ASSEMBLY, Water Pump
19	27-8M0204678	GASKET, WATER PUMP TO GEAR HOUSING
20	25-38099	O-RING, WATER PUMP (2.109 I.D.)
21	26-89238	SEAL, Oil, WATER PUMP
22	26-16977	SEAL, Oil, WATER PUMP
23	27-8M0090319	GASKET, LOWER - WATER PUMP
24	27-858524	GASKET, UPPER - WATER PUMP
25	8M0204677	FACE PLATE, WATER PUMP
26	46-96148T1	BODY ASSEMBLY, Water Pump
27	48752T	INSERT, WATER PUMP BODY
28	26-38970	SEAL, RUBBER - WATER INLET TUBE
29	47-89984T4	IMPELLER, WATER PUMP
30	28-8M0214992	KEY, IMPELLER DRIVE
31	10-8M0215009	SCREW, (#14-8 x 2.25), WATER PUMP
32	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, WATER PUMP SCREW AND STUD
33	11-8267119	NUT, (.250-28), WATER PUMP STUD
34	12-36001	WASHER, WATER PUMP STUD
35	11-13436	NUT, WATER PUMP STUD
36	25-8M0214918	RING, Rubber, RUBBER (DRIVESHAFT)
37	23-29804T	SLEEVE, GUIDE - WATER INLET TUBE
38	15299	SHAFT, SHIFT - LOWER
39	53-29641	E RING, RETAINING - SHIFT SHAFT
40	25-25439	O-RING, (.862 x .103), SHIFT SHAFT BUSHING
41	23-77631A2	BUSHING ASSEMBLY, SHIFT SHAFT
42	26-8M0204708	SEAL, Oil, SHIFT SHAFT BUSHING
43	12-77674	WASHER, RUBBER - SHIFT SHAFT BUSHING

▶GEAR HOUSING(PROPELLER SHAFT) (CASTING #1674-814247C) (31 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	1674-814247T2	GEAR HOUSING ASSEMBLY, Basic - Gray
44	760394	CAM, Shift Control
45	850315A1	FOLLOWER KIT, Cam
46	24-30622	SPRING
47	15-44491A1	SHIM SET
48	31-30894A1	BEARING SET, Cup And Cone
49	43-16279A2	GEAR ASSEMBLY, Forward
50	31-30895T	BEARING, Needle
51	52-822539T	CLUTCH
52	17-8M0100263	PIN, Cross
53	24-30893	SPRING
54	44-12238T	PROPELLER SHAFT
56	12-76358	THRUST WASHER
57	25-29976	O-RING
58	41529T2	CARRIER ASSEMBLY, Bearing
59	22-8M0169588	FITTING, Grease
60	31-30956T	BEARING, Needle
61	26-8M0204670	SEAL
62	28-30281	KEY
63	14-52700	TAB WASHER
64	52699	COVER
65	8M0039169	FILLER BLOCK
66	10-65210	SCREW, (.375-16 x 1.00)
68	14-816629Q	TAB WASHER
69	11-52707Q1	PROP NUT KIT, (.750-16)
70	97-15300	TRIM TAB, Anodic
71	10-66024	SCREW, (.437-14 x 1.75)
72	12-45176	WASHER, (.453 x .812 x .105) Stainless Steel
73	11-8M0204653	NUT, (.437-20) Stainless Steel
74	13191Q01	THRUST WASHER

▶GEAR HOUSING(PROPELLER SHAFT)(CASTING #1655-9572C) (33 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	1674-814247T9	GEAR HOUSING ASSEMBLY (GRAY)
44	760394	CAM, Shift Control
45	850315A1	FOLLOWER KIT, Cam
46	24-30622	SPRING, COMPRESSION - CAM FOLLOWER
47	15-44491A1	SHIM SET
48	31-30894A1	BEARING SET, Cup And Cone
49	43-16279A2	GEAR ASSEMBLY, Forward
50	31-30895T	BEARING, Needle, FORWARD GEAR
51	52-822539T	RATCHET
52	17-8M0100263	PIN, Cross, CLUTCH
53	24-30893	SPRING, RETAINING - CROSS PIN
54	44-12238T	PROPELLER SHAFT
56	12-76358	THRUST WASHER, BEARING CARRIER
57	25-29976	O-RING, BEARING CARRIER
58	41529T2	CARRIER ASSEMBLY, Bearing
59	22-8M0169588	FITTING, Grease
60	31-30956T	BEARING, Needle, BEARING CARRIER
61	26-8M0204670	SEAL
62	28-30281	KEY, LOCATING - BEARING CARRIER
63	14-52700	TAB WASHER, GEAR HOUSING COVER
64	52699	COVER, GEAR HOUSING
65	8M0039169	FILLER BLOCK
66	10-30206	SCREW, (.375-16 x 1.00) Stainless Steel
67	12-31211Q03	WASHER, Splined
68	14-816629Q	TAB WASHER
69	11-52707Q1	PROP NUT KIT, (.750-16)
70	97-31640Q4	TRIM TAB
71	10-15797	SCREW, ANODIC PLATE
72	12-45176	WASHER, (.453 x .812 x .105) Stainless Steel, DRIVESHAFT HOUSING STUDS
73	11-8M0204653	NUT, (.437-20) Stainless Steel, DRIVESHAFT HOUSING STUDS
74	13191Q01	THRUST WASHER
75	13-423511	LOCKWASHER, Toothed

▶OIL INJECTION COMPONENTS (40 parts)

Ref	OEM Part #	Part Name
1	12430A4	SENSOR ASSEMBLY
2	10-48409	SCREW, (#10-16 x .625) Stainless Steel, SENSOR ATTACHING
3	41470A27	WARNING MODULE ASSEMBLY
4	12-38833	WASHER, WARNING MODULE SCREW
5	10-690201	SCREW, (#10-32 x .875), WARNING MODULE TO CYLINDER BLOCK
6	815698T	PUMP ASSEMBLY, Oil
7	10-41507	SCREW, (#10-32 x 1.120), OIL PUMP TO CRANKCASE
8	193856	LINK, THROTTLE LEVER TO OIL PUMP
9	23-41429A2	BEARING ASSEMBLY, DRIVE GEAR
10	43-14563	GEAR, Driven
11	32-82381335	TUBING, OIL PUMP TO TEE
12	25-11379	O-RING, OIL PUMP
13	10-42813	SCREW, (#10-32 X .380), WARNING MODULE LEAD
14	1257-87421	TANK
15	36-43298A2	CAP ASSEMBLY, OIL TANK
16	25-11332	O-RING, (2.225 x .210), CAP
17	816190A4	HOUSING ASSEMBLY, Adaptor
18	25-11332	O-RING, (2.225 x .210), ADAPTOR HOUSING
19	32-99802	TUBE, OIL PICK-UP
20	816190A4	HOUSING ASSEMBLY, Flywheel
21	32-99439	HOSE, (114.00 Inches), OIL
22	12540A3	HOUSING
23	12242A1	LATCH
24	994436	RESERVOIR, Oil
25	10-690201	SCREW, (#10-32 x .875), OIL RESERVOIR ATTACHING
26	12-42118	WASHER, OIL RESERVOIR SCREW
27	25-42117	GROMMET, OIL RESERVOIR SCREW
28	23-42116	BUSHING, OIL RESERVOIR SCREW
29	32-82381455	TUBING, OIL RESERVOIR TO OIL PUMP (Cut to 5.25 Inches)
30	36-43300A9	CAP ASSEMBLY, OIL RESERVOIR
31	27-43307T	GASKET, RESERVOIR CAP
32	8M0187298	FLOAT ASSEMBLY
33	11-99265	PUSH NUT
34	54-415821	CLAMP, OIL HOSE (SMALL)
35	54-415823	CLAMP, OIL HOSE (LARGE)
36	32-8M0108355	LINE, (57.00 Inches Bulk), OIL
37	22-42425	TEE, OIL TUBING
38	32-9072925	HOSE, OIL (Cut to 6.75 Inches)
39	32-8M0108355	HOSE
40	21-8781051	FITTING, CHECK VALVE (CRANKCASE)

▶POWER TRIM COMPONENTS (44 parts)

Ref	OEM Part #	Part Name
1	99659A22	MANIFOLD ASSEMBLY (GRAY)
2	22-56800	PIPE PLUG, MANIFOLD
3	41493A7	TRIM CYLINDER ASSEMBLY (GRAY)
4	41492A1	GUIDE ASSEMBLY
5	25-41478A1	REPAIR KIT
6	41482A2	CHECK VALVE KIT
7	1100-8M0021648	GUIDE ASSEMBLY, TRIM ROD
8	878413A1	PISTON/ROD ASSEMBLY, Power Trim, PORT
9	35-12184A1	TRIM FILTER ASSEMBLY
10	878414T01	PISTON/ROD ASSEMBLY, Power Trim, STARBOARD
11	17-821539	PIN, Groove, TRIM CYLINDER (UPPER)
12	99660A1	VALVE ASSEMBLY
12A	53-815949001	E RING
13	10-4000327	SCREW, (M6 x 14), COVER
14	12-4002315	WASHER, COVER SCREW
15	99642	COVER, MANIFOLD
16	25-48462A4	O-RING KIT
17	19-99609A1	PLUG ASSEMBLY
18	99641A1	SHAFT ASSEMBLY
19	22-56800	PIPE PLUG, SHAFT
20	10-4008820	SCREW, (M6 x 20), PUMP AND MOTOR
21	13-400256	LOCKWASHER, (M6)
22	826729A10	PUMP AND MOTOR
23	99625002	SHAFT, UPPER
24	97-818298Q1	ANODE ASSEMBLY
25	10-4000332	SCREW, (M6 x 35), ANODE
26	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, ANODE SCREW
27	8M0045383	STRIKER PLATE, TRIM SHAFT
28	13-58643	LOCKWASHER, (.375)
29	11-46335	NUT, (.375-24)
30	84-17201A2	CABLE ASSEMBLY, (17.00 Inches), POWER TRIM
31	84-88807A8	CABLE ASSEMBLY, (3.50 Inches) Black
32	8M0185622	SOLENOID, Starter
33	10-28635	SCREW, (.250-20 x .620) Stainless Steel, SOLENOID
34	8-32,11-26419	NUT, Brass, SOLENOID TERMINAL
35	13-26992	LOCKWASHER, (.250) Stainless Steel, SOLENOID TERMINAL
36	11-94330	NUT, (.250-20) Brass, SOLENOID TERMINAL
37	85-97861	INSULATOR, SOLENOID
38	54-22875	CLIP, PUMP WIRE
39	8M0084613	C WASHER, CLIP SCREW
40	10-69079	SCREW, (#10-16 x .440), CLIP TO TRANSOM BRACKET
41	17-878267	PIN, Groove, TRIM CYLINDER (LOWER)
42	10-4000377	SCREW, (M10 x 30), MANIFOLD
43	13-400258	LOCKWASHER, (M10) Stainless Steel, MANIFOLD SCREW

▶POWER TRIM PUMP (9 parts)

Ref	OEM Part #	Part Name
-	826729A10	PUMP AND MOTOR
1	12659	FRAME AND FIELD KIT
2	12665	SPRING KIT, Brush
3	13506	BRUSH CARD KIT
4	12662	PUMP AND END FRAME KIT
5	126631	SEAL KIT, Pump
6	12660	END FRAME KIT
7	12661	ARMATURE KIT
8	12664	THRU BOLT KIT

▶REED BLOCK AND CYLINDER HEAD (36 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	15221A5	CYLINDER HEAD ASSEMBLY
2	27-41247T01	GASKET, CYLINDER COVER
3	10-98534	SCREW, (.375-16 x 2.30), CYLINDER HEAD
4	12-25909	WASHER, (.406 x .812 x .065), CYLINDER HEAD SCREW
5	27-8M0204714	GASKET, THERMOSTAT
6	90390A1	COVER KIT, THERMOSTAT
7	10-35386	SCREW, (.312-18 x 1.00), THERMOSTAT COVER
8	22-687271	FITTING, (.250-18) 90 Degree - Brass, ELBOW - WATER HOSES
9	32-77653101	HOSE, (24.500 Inches Bulk), WATER DISTRIBUTION
10	22-68728	FITTING, THERMOSTAT COVER TO WATER HOSES
11	54-816311T	CLAMP, WATER HOSES
12	97465	SENDER, Temperature (STARBOARD)
13	75692	THERMOSTAT
14	13536A7	SENSOR ASSEMBLY, Temperature (PORT)
15	137151	RETAINER, SENSOR AND SENDER
16	10-98257	SCREW, (.312-18 x .500), RETAINER
17	99747A9	HOUSING, REED BLOCK
18	10-69067	SCREW, (.250-20 x 1.375), REED BLOCK HOUSING
19	27-935361	GASKET, REED BLOCK HOUSING
20	27-657443	GASKET, REED BLOCK
21	75953	REED BLOCK
22	34-75362A1	REED ASSEMBLY
23	961832	CLAMP, Reed
24	10-57583T	SCREW, (#8-32 x .375), REEDS TO REED BLOCK
25	10-65746	SCREW, (.250-20 x .750), REED BLOCK ATTACHING
26	16-270372	STUD, (.250-28 x 1.125), CARBURETOR MOUNTING
27	21-426585	CHECK VALVE, BLEED HOSE TO REED BLOCK HOUSING
28	22-15133	FITTING, BLEED HOSE TO CYLINDER BLOCK (90 Degree)
29	32-892024122	TUBING, (20.00 Feet Bulk), BLEED LINE
30	21-42657A3	CHECK VALVE
31	22-56759	CONNECTOR, BLEED HOSE (PRESS-IN)
32	21-64871A2	CHECK VALVE
33	54-26404	CLAMP (1")
34	10-69079	SCREW, (#10-16 x .440), CLIP
35	8M0084613	C WASHER

▶STARTER MOTOR ASSEMBLY (10 parts)

Ref	OEM Part #	Part Name
-	50-893893	STARTER MOTOR ASSEMBLY
1	90645	DRIVE KIT
2	13310T1	PINION ASSEMBLY, Drive
3	75660	PLATE, DRIVE END
4	10-74968	BOLT, THRU
7	79216	ARMATURE
8	898265016	BRUSH/SPRING KIT
9	898265014	HOLDER, BRUSH
10	10-68586	SCREW, BRUSH AND HOLDER
11	15386001	END CAP, COMMUTATOR

▶SWIVEL BRACKET AND STEERING ARM (28 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	1499-8710T21	SWIVEL BRACKET ASSEMBLY (GRAY)
2	26-87735	SEAL, Oil, SWIVEL BRACKET (LOWER)
3	23-818764	BUSHING, SWIVEL BRACKET (LOWER AND UPPER)
4	25-33466	O-RING, SWIVEL BRACKET (UPPER)
5	23-67668	SPACER, SWIVEL BRACKET (UPPER)
6	22-8M0169589	FITTING, Grease
7	23-821207	BUSHING
8	17-67706A55	SWIVEL PIN ASSEMBLY, Steering Arm (GRAY)
9	10-8M0176309	SCREW, (.437-20 x 7.50), STEERING ARM TO UPPER MOUNT
10	77326	MOUNT, RUBBER - UPPER
11	12-66921	WASHER, UPPER MOUNT BOLT
12	12-78688	WASHER, UPPER MOUNT BOLT
13	11-8M0204653	NUT, (.437-20) Stainless Steel, UPPER MOUNT BOLT
14	92876A12	LINK ASSEMBLY, Steering
15	10-849838	SCREW, (.375-24 x 1.25), STEERING LINK TO STEERING ARM
16	11-8M0204726	NUT, (.375-24), STEERING LINK SCREW
17	12-34931	WASHER, (.406 x .734 x .063) Stainless Steel, STEERING LINK TO STEERING ARM
18	13-78854	WAVE WASHER, BOTTOM YOKE
19	86580A1	YOKE ASSEMBLY, Bottom (GRAY)
20	53-67684	RING, Retaining, BOTTOM YOKE
21	12-67670	WASHER, THRUST - SWIVEL BRACKET
22	88882	BUMPER, Top Yoke
23	8M0074846	SENDER ASSEMBLY, Trim
24	10-852368	SCREW, (#10-24 x .750), TRIM SENDER
25	10,13-26996	LOCKWASHER, Stainless Steel, TRIM SENDER SCREW
26	12-89302	WASHER, (.203 x .406 x .040), TRIM SENDER SCREW
27	10-64014	SCREW, (.250-28 x .500), SWIVEL BRACKET

▶Service/Support Material (2 parts)

Ref	OEM Part #	Part Name
-	37-11625A88	DECAL SET (GRAY)
--	90-18739	PARTS MANUAL , XR-4 Magnum II

▶TACHOMETER, TRIM GAUGE, TEMPERATURE GAUGE (20 parts)

Ref	OEM Part #	Part Name
1	79-895283Q43	TACHOMETER
2	79101T	BRACKET, MOUNTING
3	88-72729	LIGHT BULB, Wedge Base (14V - .19W)
4	88-79888	SOCKET, Light Bulb
5	8-32,11-26419	NUT, Brass
6	84-86323A5	CABLE ASSEMBLY, (1.50 Feet) Purple, TRIM GAUGE
7	79-895292Q41	TRIM GAUGE
8	79480	BRACKET, MOUNTING - TRIM GAUGE
9	88-72729	LIGHT BULB, Wedge Base (14V - .19W), TRIM GAUGE
10	88-79888	SOCKET, Light Bulb, TRIM GAUGE
11	8-32,11-26419	NUT, Brass, TRIM GAUGE TERMINAL
12	12-26427	WASHER, TRIM GAUGE TERMINAL
13	84-86396A8	HARNESS ASSEMBLY, Tachometer (5.00 Feet)
14	79-895287Q41	TEMPERATURE GAUGE
15	88-72729	LIGHT BULB, Wedge Base (14V - .19W)
16	88-79888	SOCKET, Light Bulb
17	12-26427	WASHER
18	79480	BRACKET
19	8-32,11-26419	NUT, Brass
20	84-88824A4	CABLE ASSEMBLY, (45.00 Inches) Tan

▶THROTTLE LEVER AND SHIFT SHAFT (49 parts)

Ref	OEM Part #	Part Name
1	74897T	PIVOT, TRIGGER PLATE
2	62459T	BALL JOINT ASSEMBLY, TRIGGER PLATE
3	10-32,11-45076	NUT, Brass, LINK ROD
4	76035	ROD, TRIGGER PLATE
5	10-32,11-46438	NUT, , BALL JOINT
6	41094A3	LEVER ASSEMBLY, SPARK ADVANCE
7	10-64022	SCREW, (.250-20 x 2.125), SPARK ADVANCE LEVER - STOP
8	11-64015	NUT, (.250-20), SPARK ADVANCE STOP SCREW
9	26852	CAP, Nylon, SPARK AADVANCE LEVER STOP SCREW
10	10-69560	SCREW, (.190-32 x 1.250), SPARK ADVANCE LEVER - STOP
11	10-32,11-68219	NUT, Stainless Steel, SPARK ADVANCE LEVER STOP SCREW
12	48039	CAP, SPARK ADVANCE LEVER STOP SCREW
13	410952	LEVER, THROTTLE CONTROL
14	10-818165	SCREW, (.375-16 x 1.75), THROTTLE LEVER/ADVANCE LEVER
15	23-55164	BUSHING, THROTTLE LEVER
16	23-55171	BUSHING, SPARK ADVANCE LEVER
17	24-68784	SPRING, THROTTLE AND SPARK ADVANCE LEVER
18	12-68410	WASHER, SPARK ADVANCE LEVER
19	10-64022	SCREW, (.250-20 x 2.125), THROTTLE LEVER - STOP
20	11-64015	NUT, (.250-20), THROTTLE LEVER STOP SCERW
21	26852	CAP, Nylon, THROTTLE LEVER STOP SCREW
22	39483	LATCH, CABLE
23	10-69026	SCREW, (.250-28 x .880), CABLE LATCH TO THROTTLE LEVER
24	24-20099	SPRING, CABLE LATCH TO THROTTLE LEVER
25	11-826709109	NUT, (.250-28), CABLE LATCH SCREW
26	79949	ROD, THROTTLE CONTROL
27	8M0221994	BARREL, THROTTLE CONTROL ROD
28	178861	CAM, Throttle
29	16-20353	STUD, (.250-28 x 1.750), THROTTLE CAM ATTACHING
30	23-26856	BUSHING, THROTTLE CAM
31	11-36069	NUT, THROTTLE CAM STUD
32	24-41050	SPRING, THROTTLE RETURN
33	814283A2	BRACKET, ANCHOR - CONTROL CABLES
34	98889	LATCH, CONTROL CABLE
35	10-42975	DRIVE SCREW, LATCH
36	10-53167T	SCREW, (.312-18 x .880), ANCHOR BRACKET ATTACHING
37	37896	GUIDE BLOCK, LINK ROD
38	24-20099	SPRING, LINK ROD TO GUIDE BLOCK
39	67073A1	LINK ROD ASSEMBLY
40	52100	WEAR PLATE, LINK ROD
41	8M0036768	LATCH, CONTROL CABLE FASTENING
42	12-35462	WASHER, (.2656 x .625 x .0625) Stainless Steel, LATCH
43	11-36069	NUT, LINK ROD
44	79932A16	SHIFT SHAFT ASSEMBLY
45	13-29720	WAVE WASHER, LINK ROD
46	23-26600	BUSHING, NYLON - LINK ROD
47	12-35462	WASHER, (.2656 x .625 x .0625) Stainless Steel, LINK ROD
48	11-36069	NUT, LINK ROD TO SHIFT SHAFT
49	39519	CUP, BARREL RETAINER - ANCHOR BAR

▶TRANSOM BRACKET (21 parts)

Ref	OEM Part #	Part Name
-	27-11338A88	GASKET SET, Engine Overhaul
1	3401-8718F8	BRACKET ASSEMBLY, Transom (STARBOARD)(GRAY)
2	3400-8716A9	BRACKET ASSEMBLY, Transom (PORT) (GRAY)
3	22-8M0169588	FITTING, Grease, PORT TRANSOM BRACKET
5	99170A2	TILT TUBE
6	11-859133	NUT, TILT TUBE (1"-14) (GRAY)
7	25-45711	O-RING, (.612 x .103), TILT TUBE
8	13-88750	WASHER, TILT TUBE
9	11-858869	NUT, (.875-14), TILT TUBE
10	10-8M0149747	SCREW, (.500-20 x 4.500), TRANSOM BRACKET TO TRANSOM
11	12-8M0204648	WASHER, (1.5 x 3.05 x 0.13) Stainless Steel, TRANSOM BRACKET BOLT
12	11-91962	NUT, (.500-20), TRANSOM BRACKET BOLT
13	8M0115104	LEVER ASSEMBLY, TILT LOCK
14	13-99611	WAVE WASHER, TILTLEVER
15	23-65830	NYLINER, TILT LEVER
16	99633	KNOB, TILT LOCK LEVER (GRAY)
17	17-99615	PIN, Groove
18	24-99622	SPRING
19	17-99604	PIN, Groove
20	10-96930A1	BOLT ASSEMBLY, TILT LOCK
21	11-23161	NUT, (.375-24), BOLT

▶WIRING HARNESS, STARTER SOLENOID AND RECTIFIER (40 parts)

Ref	OEM Part #	Part Name
1	434292	PLATE, IGNITION
2	332-7778A12	SWITCHBOX ASSEMBLY
3	10-13669	SCREW, (#12-24 x 2.00), SWITCH BOX TO IGNITION PLATE
4	134731	HOLDER, Fuse
5	23-94453	BUSHING, SWITCH BOX SCREW
6	84-62310A2	CABLE ASSEMBLY, SWITCH BOX TO SWITCH BOX
7	10-32,11-45076	NUT, Brass, SWITCH BOX TERMINAL
8	84-60871A10	WIRE ASSEMBLY, SWITCH BOX
9	10-62568	SCREW, (#10-16 x .375), WIRE ATTACHING
10	10-38055	SCREW, (.190-32 x .620), CABLE TO IGNITION PLATE
11	84-65999A3	CABLE ASSEMBLY, Black
12	10-60411	SCREW, (1.25), IGNITION PLATE
13	13-8M0204647	LOCKWASHER, (.312), IGNITION PLATE SCREW
14	12-36042	WASHER, IGNITION PLATE SCREW
15	12-67264	WASHER, (Rubber), IGNITION PLATE SCREW
16	23-67268	BUSHING, IGNITION PLATE SCREW
17	8M0058226	RECTIFIER
18	10-38055	SCREW, (.190-32 x .620), RECTIFIER TO IGNITION PLATE
19	10-32,11-45076	NUT, Brass, RECTIFIER TERMINALS
20	87-33386A3	SWITCH ASSEMLBY
21	10-38055	SCREW, (.190-32 x .620), MERCURY SWITCH TO IGNITION PLATE
22	10-32,11-45076	NUT, Brass, MERCURY SWITCH TERMINAL
23	10-87926	SCREW, (#10-32 x .500), LEAD ATTACHING
24	84-88439A2	CABLE ASSEMBLY, Battery - Negative, NEGATIVE
25	84-96220A4	HARNESS ASSEMBLY, ENGINE
26	88-8M0207796	FUSE, 20 Ampere
27	84-95084A2	CABLE ASSEMBLY, FUSE
28	54-816311T	CLAMP, HARNESS AND CABLES
29	89-853654A1	SOLENOID, Starter Comment: 10-32 5/16-18 TERMINALS
30	10-32,11-45076	NUT, Brass, SOLENOID TERMINALS Comment: 10-32 5/16-18 TERMINALS
31	13-53166	LOCKWASHER, (.312), SOLENOID TERMINALS Comment: 10-32 5/16-18 TERMINALS
32	11-8M0204668	NUT, (.312-18), SOLENOID TERMINALS Comment: 10-32 5/16-18 TERMINALS
33	10-31716	SCREW, (.250-20 x .620), SOLENOID TO IGNITION PLATE
34	13-26992	LOCKWASHER, (.250) Stainless Steel, SOLENOID TO IGNITION PLATE SCREW
35	84-65999A2	CABLE ASSEMBLY, Black, UPPER MOUNT
36	85-97861	INSULATOR, SOLENOID
37	88825A7	VOLTAGE REGUALTOR
38	10-48409	SCREW, (#10-16 x .625) Stainless Steel, VOLTAGE REGULATOR
39	84-13397A1	HARNESS ASSEMBLY
40	10-32,11-45076	NUT, Brass, VOLTAGE REGULATOR

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury XR-4 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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