Mercury 50 (3 CYL.) (0T980000 & Up) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 50 (3 CYL.). Scroll down for exploded parts diagrams (30), specifications, and maintenance reference.

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8M0084173 8M0045112 Voltage Regulator/Rectifier for Mercury Force | JLM Marine
8M0084173 8M0045112 Voltage Regulator/Rectifier for Mercury Force | JLM Marine
$28.99
$28.99
files/24RR335.pngDefault Title
$28.99
jlm marine water pump impeller kit for mercury 25-50hp 821354a2 black impeller with bronze insert and six rubber blades
Комплект крыльчатки водяного насоса для Mercury 25 / 30 / 40 / 45 / 50 л.с. 821354A2
$25.50
$25.50
files/Water_Pump_Impeller_Kit_for_Mercury_25_-_30_-_40_-_45_-_50_HP_821354A2_-_JLM_MARINE-8290152.jpgDefault Title
$25.50
fuel pump diaphragm kit for mercury 30-275 hp 18-7817, jlm marine, black and white gaskets and white components on white background
Комплект диафрагмы топливного насоса для Mercury 30-275 HP 18-7817
$20.99
$20.99
files/Fuel_Pump_Diaphragm_Kit_for_Mercury_30-275_HP__18-7817_-_JLM_MARINE-8288095.jpgDefault Title
$20.99
magnetic oil plug 8m0058389 jlm marine for mercury mariner outboard mercruiser sterndrive stainless steel with yellow gasket
Магнитная масляная пробка нижнего блока для подвесного двигателя Mercury Mariner и кормового привода MerCruiser 8M0058389
$15.90
$15.90
files/Lower_Unit_Magnetic_Oil_Plug_for_Mercury_Mariner_Outboard_and_MerCruiser_Sterndrive___8M0058389_-_JLM_MARINE-8287063.jpgDefault Title
$15.90
photo of JLM Marine water pump impeller kit 821354a2, black impeller with six flexible blades and brass hub, silver metal plate with hexagonal outer shape, and two black gaskets
Комплект крыльчатки водяного насоса для Mercury 25-50 л.с. 821354A2
$35.68
$38.00
$35.68
files/Water_Pump_Impeller_Kit_for_Mercury_25-50_HP__821354A2_-_JLM_MARINE-8286336.jpgDefault Title
$35.68
photo of a white JLM Marine inline fuel filter with ribbed plastic body, tapered top fitting, and barbed bottom fitting for OMC 5.5/5.8L engines
Топливный фильтр для OMC 5 5.8 л 398327
$16.20
$16.20
files/Inline_Fuel_Filter_for_OMC_5_58_L_398327_-_JLM_MARINE-8286157.jpgDefault Title
$16.20
8H033307 Service Kit for Honda BF115 BF130 | JLM Marine
8H033307 Service Kit for Honda BF115 BF130 | JLM Marine
$33.80
$33.80
files/kit-25KH301.pngDefault Title
$33.80
Water Pump Impeller – Fits Mercury/Mariner 15 - 50 HP (Replaces 47 - 8508910) - JLM Marine Boat Parts Limited
Крыльчатка водяного насоса для Mercury 15-50 л.с. 47-8508910 / 0755466
$16.50
$16.50
files/Water_Pump_Impeller_for_Mercury_15-50_HP_47-8508910_-_0755466_-_JLM_MARINE-8289726.jpgDefault Title
$16.50
Boot Protector 822158 for Mercury 25 - 50HP Outboard – Fits Mercury 25 - 50HP 4 - Stroke (Replaces 822158) - JLM Marine Boat Parts Limited
Boot Protector 822158 for Mercury 25-50HP Outboard – Fits Mercury 25-50HP 4-Stroke (Replaces 822158)
$21.55
$21.55
files/23BS362_fe73e243-1883-4544-9f82-c205d467431f.jpgDefault Title
$21.55
Gearcase Drain Plug – Fits Mercury/MerCruiser Marine Engines (Replaces 10 - 79953Q04, 79953Q04) - JLM Marine Boat Parts Limited
Немагнитная масляная пробка нижнего блока для подвесного двигателя Mercury Mariner и кормового привода MerCruiser 79953Q04
$21.50
$21.50
files/Lower_Unit_Non-Magnetic_Oil_Plug_for_Mercury_Mariner_Outboard_and_MerCruiser_Sterndrive_______79953Q04_-_JLM_MARINE-8287053.jpgDefault Title
$21.50
65W-24251-00 Inline Fuel Filter for Yamaha F30A F40A F30TLR F40BMLH F40MJH F40MLH F40BEJR F40BTLR F40TLR F40MSH F40EJR | JLM Marine
65W-24251-00 Inline Fuel Filter for Yamaha F30A F40A F30TLR F40BMLH F40MJH F40MLH F40BEJR F40BTLR F40TLR F40MSH F40EJR | JLM Marine
$15.99
$15.99
files/24FF302_1.jpgDefault Title
$15.99
06211-ZY9-505 Maintenance Kit for Honda BF75D BF90D | JLM Marine
06211-ZY9-505 Maintenance Kit for Honda BF75D BF90D | JLM Marine
$76.50
$76.50
files/kit-23KH759-4N.pngDefault Title
$76.50
Water Pump Impeller – Fits Mercury/Mariner 15 - 50 HP (Replaces 47 - 8508910, 0755466) - JLM Marine Boat Parts Limited
Крыльчатка водяного насоса для Mercury 15-50 л.с. 18-3057
$16.50
$16.50
files/Water_Pump_Impeller_for_Mercury_15-50_HP__18-3057_-_JLM_MARINE-8288073.jpgDefault Title
$16.50
8M0251133 Water Pump Impeller Kit for Mercury 30HP 40HP | JLM Marine
8M0251133 Water Pump Impeller Kit for Mercury 30HP 40HP | JLM Marine
$68.50
$68.50
files/kit-25KM356_fbc9f2e9-5011-4090-9d93-304e5964e85b.pngDefault Title
$68.50
8M0251122 Service Kit for Mercury 15HP 18HP | JLM Marine
8M0251122 Service Kit for Mercury 15HP 18HP | JLM Marine
$68.50
$68.50
files/kit-25KM264-2N_e09c2dfe-14ab-45b2-8d92-06840cdc018a.pngDefault Title
$68.50
8M0251128 Maintenance Kit for Mercury 60HP | JLM Marine
8M0251128 Maintenance Kit for Mercury 60HP | JLM Marine
$68.50
$68.50
files/kit-25KM259-2N_9c7fce67-e3fe-48f3-83d2-f7381767f8c8.pngDefault Title
$68.50
8M0251127 Water Pump Impeller Kit for Mercury 40HP 4-Cylinder | JLM Marine
8M0251127 Water Pump Impeller Kit for Mercury 40HP 4-Cylinder | JLM Marine
$68.50
$68.50
files/kit-25KM252-2N_73a0f521-e01e-41bd-bbb7-4dc278459551.pngDefault Title
$68.50
8M0251120 Annual Maintenance Kit for Mercury 6HP 8HP 9HP 15HP | JLM Marine
8M0251120 Annual Maintenance Kit for Mercury 6HP 8HP 9HP 15HP | JLM Marine
$68.50
$68.50
files/kit-25KM245-2N_1a8e740c-2697-4f61-821e-7ad4f63c4538.pngDefault Title
$68.50
8M0251126 Maintenance Kit for Mercury 40HP 50HP 3 Cylinder | JLM Marine
8M0251126 Maintenance Kit for Mercury 40HP 50HP 3 Cylinder | JLM Marine
$68.50
$68.50
files/kit-25KM199-2N_0858537e-365f-46ff-9522-2f04a27d9113.pngDefault Title
$68.50
8M0251125 Maintenance Kit for Mercury 30HP 40HP | JLM Marine
8M0251125 Maintenance Kit for Mercury 30HP 40HP | JLM Marine
$68.50
$68.50
files/kit-25KM198-2N_dabab56d-310c-4f0d-942d-a467765742a0.pngDefault Title
$68.50

Mercury 50 (3 CYL.) (0T980000 & Up) Parts & Diagrams

🔎 Mercury 50 (3 CYL.) Reference Library — Exploded parts diagrams (30 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 50 (3 CYL.) is a 4-Stroke, Inline 4-Cylinder, EFI, SOHC outboard motor. Commonly used on jon boats, pontoons, and mid-size utility craft.

Quick Reference Specifications

Specification Value
Engine Type 4-Stroke, Inline 4-Cylinder, EFI, SOHC
Horsepower 50 HP
Displacement 995 cc
Bore x Stroke 65 mm x 75 mm
Spark Plug (Type & Gap) NGK IZFR6F-11
Engine Oil Capacity 3.0 L (3.17 quart)
Recommended Engine Oil SAE 25W-40 Mercury FourStroke Oil
Gear Case Oil Capacity 440 mL (14.9 fl oz)
Idle Speed (in gear) 650 ± 50 RPM (in gear)
Full Throttle RPM Range 5000-6000
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 50 (3 CYL.):

  • 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 50 (3 CYL.).

▶Accessories (1 parts) Accessories
Ref OEM Part # Part Name
- 88825A6 REGULATOR KIT, Voltage
▶Attenuator Plate (25 parts) Attenuator Plate
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 828164 ATTENUATOR, Sound
2 10-40019127 SCREW, (M6 x 16)
3 12-35462 WASHER, (.2656 x .625 x .0625) Stainless Steel
4 19-815784 CAP
5 828928 BRACKET
6 26-812889 SEAL
7 828927 BRACKET
8 10-4000363 SCREW, (M8 x 100)
9 12-4002317 WASHER
10 10-4000363 SCREW, (M8 x 100)
11 11399A1 ARM ASSEMBLY
12 67748 ROLLER
13 10-40056103 SCREW, (M5 x 6)
14 12-8M0204666 WASHER, (.203 x .500 x .032)
15 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 4.50 Inch Length) Comment: (Electric)
16 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 3.00 Inch Length) Comment: (Electric)
17 22-830285 FITTING TEE Comment: (Electric)
18 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 1.00 Inch Length) Comment: (Electric)
19 54-816311T TIE STRAP, (8.00 Inches)
20 27-8144461 GASKET, Flange
21 825204T03 LINK, Throttle
22 37-8272822 DECAL, Warning, High Voltage Comment: (Manual)
23 NSS NOT SOLD SEPARATE, Decal-Caution
24 NSS NOT SOLD SEPARATE, Decal-Caution in Gear Idle Comment: (Electric)
▶Bottom Cowl (73 parts) Bottom Cowl
Ref OEM Part # Part Name
1 24-824992 SPRING, Detent
2 24-824993 SPRING, Backing
3 824994 SPRING, Plate
4 10-82191916 SCREW, (M5 x 14)
5 8280471 STRAP
6 10-4006731 SCREW, (M6 x 16)
7 8M0039049 CLAMP
8 10-40011130 SCREW, (M6 x 30) Stainless Steel
9 87-8M0052927 SWITCH Comment: (Electric Handle)
10 10-88075020 SCREW, (M3 x 20) Comment: (Electric Handle)
11 824923 PLATE Comment: (Electric Handle)
12 84-824934A3 HARNESS ASSEMBLY Comment: (Electric Handle)
13 8M0036802 CAP Comment: (Non-Handle)
14 10-4006731 SCREW, (M6 x 16) Comment: (Non-Handle)
15 8M0041741 LEVER Comment: (Non-Handle)
16 42927 INSERT Comment: (Non-Handle)
17 17-8224561 PIN Comment: (Non-Handle)
18 23-26954 BUSHING Comment: (Non-Handle)
19 23-48475 BUSHING Comment: (Non-Handle)
20 822459 RETAINER Comment: (Non-Handle)
21 11-401386 NUT, (M6) Stainless Steel Comment: (Non-Handle)
22 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel Comment: (Non-Handle)
23 8224701 LINK, Shift Comment: (Non-Handle)
24 23-48475 BUSHING Comment: (Non-Handle)
25 98889 LATCH Comment: (Non-Handle)
26 39519 CUP Comment: (Non-Handle)
27 821483A6 SHIFT SHAFT, Horizontal
28 821487 LEVER, Interlock Actuating Comment: (Manual)
29 10-878607 SCREW, (#10-16 x .375)
30 84-88807A28 CABLE ASSEMBLY, Black (7.50 Inch)
31 8M0037997 SHIFT ROD Comment: (Handle)
32 18-210711 COTTER PIN Comment: (Handle)
33 17-8251851 PIN Comment: (Handle)
34 13-827418 LOCKWASHER Comment: (Handle)
35 822011 LEVER, Shift Comment: (Handle)
36 13-825273 WAVE WASHER Comment: (Handle)
37 10-40011107 SCREW, (M5 x 16) Stainless Steel Comment: (Handle)
38 10-42975 DRIVE SCREW
39 25-828462001 GROMMET
40 19-17230 PLUG
41 822424001 SEAL, Throttle Cable Comment: (Handle)
42 19-823874001 PLUG, Throttle Cable Comment: (Non-Handle)
43 4023-828165A1 BOTTOM COWL Comment: (Black)
44 21-817519A1 CHECK VALVE ASSEMBLY, Drain
45 25-8M0179867 GROMMET Comment: (Non Power Trim)
46 19-824076001 PLUG, Shift Lever Comment: (Non-Handle)
47 8214901 HANDLE Comment: (Handle)
48 823572001 SEAL, Warning Horn Comment: (Manual Handle)
49 84-8M0210763 ALARM ASSEMBLY, Audio Warning Comment: (Manual Handle)
50 12-8M0214930 WASHER Comment: (Manual Handle)
51 10-82239312 SCREW, (M5 x 12) Comment: (Manual Handle)
52 10-40011107 SCREW, (M5 x 16) Stainless Steel Comment: (Manual Handle)
53 87-8M0042301 SWITCH ASSEMBLY Comment: (Power Trim)
54 812830T01 PLUG, Trim Switch Comment: (Non Power Trim)
55 8M0032848 RETAINER
56 10-1993716 SCREW, (M6 x 16)
57 828464 CAM, Latch
58 13-12134 WASHER, Wave
59 23-812707 BUSHING
60 22-813613 FITTING
61 54-816311T TIE STRAP, (8.00 Inches)
62 32-7568058 HOSE, (15.00 Inches)
63 23-812707 BUSHING
64 823573F1 LEVER, Cowl Latch
65 10-40011129 SCREW, (M6 x 25) Stainless Steel
66 23-822003 BUSHING
67 25-822002 GROMMET
68 19-824473 PLUG, Warning Alarm Comment: (Electric)
69 10-878608 SCREW, (#10-16 x .500)
70 8M0043169 BUMPER
71 828463 LATCH, Front
72 10-4001987 SCREW, (M4 x 16)
73 25-16226 GROMMET
▶Carburetor (28 parts) Carburetor
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 3301-824902T30 CARBURETOR, (WME 93-3) Comment: Bottom (Electric 50)
2 1395-823632 SHAFT, Throttle, Top/Bottom Comment: (WME 69/91)
3 1395-823633 SHAFT, Throttle, Center Comment: (WME 69/91)
4 1395-823636 SHAFT, Throttle, Bottom Comment: (WME 53/68/92/93)
5 1395-823634 SCREW, Top/Bottom
6 NSS NOT SOLD SEPARATE, Spring-Throttle Return
7 NSS NOT SOLD SEPARATE, Idle Needle
8 NSS NOT SOLD SEPARATE, Spring-Idle Needle
9 NSS NOT SOLD SEPARATE, Gasket-Cover Plate
10 1395-811221 COVER PLATE
11 1395-811220 SCREW, Cover Plate
12 27-8144461 GASKET, Flange
13 1395-8113522 LEVER, Oil Pump, Bottom Comment: (WME 53/68/92/93)
14 1395-8086121 SCREW, Lever Retainer, Bottom Comment: (WME 53/68/92/93)
15 10-F10155 SCREW, Throttle Valve
16 1395-97245 VALVE, Throttle
17 NSS NOT SOLD SEPARATE, Retaining Ring
18 F10064 SHAFT
19 1395-808738 GASKET
20 NSS NOT SOLD SEPARATE, Gasket-Fuel Bowl
21 10-95951 VALVE, Inlet Needle
22 1395-9594 FLOAT
23 1395-808612 SCREW AND WASHER, (#8-32 x .750)
24 1395-811693 BOWL, Fuel, Center/Bottom Comment: (WME 69/91)
25 1395-811694 PLUG KIT Comment: (WME 69/91)
26 1395-802731 SEAL, Consists of 4 Seals
27 1395-6359 JET, (.052) Comment: (WME 68/93)
▶Clamp Bracket (38 parts) Clamp Bracket
Ref OEM Part # Part Name
1 3411-821773T1 CLAMP BRACKET Comment: (Port) (Black)
2 3412-821774T8 CLAMP BRACKET Comment: (Storboard) (Black)
3 10-818883A1 THUMB SCREW ASSEMBLY Comment: (Manual)
4 NSS NOT SOLD SEPARATE, Handle Comment: (Manual)
5 NSS NOT SOLD SEPARATE, Rivet Comment: (Manual)
6 12-818884 WASHER Comment: (Manual)
7 10-768042 SHOULDER SCREW, Hex Comment: (Manual)
8 8224011 CAP
9 17-25810 PIN
10 23-86637 BEARING
11 17-8224002 PIN
12 97-8252711 ANODE
13 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
14 10-8M0204707 SCREW, (M6 x 25)
15 11-82671117 NUT, (.500-20)
16 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
17 10-814259 SCREW, (.500-20 x 4.00)
18 37-830253 DECAL, Tilt Lock
19 NSS NOT SOLD SEPARATE, Decal-Warning
20 828533T1 TRIM, Hydraulic Assist Comment: (Gas Assist Trim)
21 88238A11 CABLE ASSEMBLY Comment: (Gas Assist Trim)
22 828924 LEVER, Tilt Comment: (Gas Assist Trim)
23 8M0007469 TILT KNOB Comment: (Gas Assist Trim)
24 828930 ARM, Lever Comment: (Gas Assist Trim)
25 13-31030 WAVE WASHER Comment: (Gas Assist Trim)
26 17-25319 PIN, (.125 x 0.75 Inches) Comment: (Gas Assist Trim)
27 8289961 LINK Comment: (Gas Assist Trim)
28 10-32,11-8M0204718 NUT, Stainless Steel Comment: (Gas Assist Trim)
29 17-822481001 PIN, (14 mm), Anchor Comment: (Gas Assist/Power Trim)
30 23-822482 BUSHING Comment: (Gas Assist/Power Trim)
31 23-822484 BUSHING Comment: (Gas Assist/Power Trim)
32 12-825190 WASHER Comment: (Gas Assist/Power Trim)
33 11-826712 NUT Comment: (Gas Assist/Power Trim)
34 10-4009040 SCREW, (M10 x 40) Stainless Steel Comment: (Gas Assist/Power Trim)
35 12-4002319 WASHER Comment: (Gas Assist/Power Trim)
36 11-40140 NUT, (M10) Comment: (Gas Assist/Power Trim)
37 17-853923A1 PIN, Tilt Lock Comment: (Non-Power Trim)
38 24-821461 SPRING Comment: (Non-Power Trim)
▶Crankshaft, Pistons and Connection Rods (20 parts) Crankshaft, Pistons and Connection Rods
Ref OEM Part # Part Name
- 852067T98 POWERHEAD ASSEMBLY
1 2411-827954T3 CRANKSHAFT ASSEMBLY
2 43-43019A2 GEAR ASSEMBLY
3 30-63742T BEARING, Ball
4 53-812877 RING, Retaining
5 28-91800 KEY, Woodruff
6 31-818889A1 BEARING ASSEMBLY, Roller, Top
7 26-8173971 SEAL, Oil
8 827955A2 BEARING ASSEMBLY
9 NSS NOT SOLD SEPARATE, Roller
10 NSS NOT SOLD SEPARATE, Ring-Seal
11 705-850026T2 PISTON Comment: (.015 Oversize)
12 53-857196 LOCK RING
13 39-821695A6 RING SET, Piston Comment: (.015 Oversize)
14 NSS NOT SOLD SEPARATE, Piston Ring-Chrome Face
15 640-9612A6 CONNECTING ROD ASSEMBLY
16 12-8M0012298 WASHER
17 29-8M0214934 BEARING
18 10-91012 SCREW, (.250-28 Special)
19 8M0234886 BEARING KIT
▶Cylinder Block and Crankcase (41 parts) Cylinder Block and Crankcase
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 2801-827953T7 CYLINDER BLOCK Comment: (A = Torque Sequence)
2 10-81742780 SCREW, (M8 x 80)
3 10-81742730 SCREW, (M8 x 30)
4 21-426585 CHECK VALVE
5 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 15.00 Inch Length)
6 21-426232 CHECK VALVE, Press-In
7 812888A2 CARRIER ASSEMBLY
8 21-42657A4 CHECK VALVE
9 10-814776 SCREW, Adjusting (M6 x 55)
10 11-400212 NUT, (M6) Stainless Steel
11 42942 CAP
12 17-43044 PIN, Dowel - Without Hole (.375 x .625), Locating
13 17-8M0084653 PIN, Bearing Race
14 27-827284 GASKET
15 16-8161949 STUD, (M6 x 44)
16 22-185981 PLUG, Pipe (.375-18)
17 22-328022 PLUG, Pipe (.125-27) Brass
18 22-19725 ELBOW
19 21-426585 CHECK VALVE
20 827251A1 COVER
21 850897 LIFTING EYE Comment: (Manual)
22 10-40011149 SCREW, (M8 x 25) Stainless Steel Comment: (Manual)
23 NSS NOT SOLD SEPARATE, Decal-Serialization
24 10-40011149 SCREW, (M8 x 25) Stainless Steel
25 889735 CARRIER
26 850055001 THERMOSTAT, 43°C (110°F)
27 26-854639001 SEAL
28 787992 SENDER, Temperature
29 889733 RETAINER
30 10-878609 SCREW, (#10-16 x .600)
31 12-8M0204666 WASHER, (.203 x .500 x .032)
32 22-996642 FITTING, Elbow 90 Degree (.125-27 x .250) Nylon
33 12-8M0204663 WASHER, (.187 x .500 x .062) Neoprene Comment: (Electric)
34 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel Comment: (Electric)
35 11-816872 WING NUT Comment: (Electric)
36 22-56759 FITTING, Barbed Comment: (Electric)
37 8129962 COVER Comment: (Manual)
38 25-48462 O-RING, (.614 x .070) Comment: (Manual)
39 10-40011108 SCREW, (M5 x 20) Stainless Steel Comment: (Manual)
40 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 5.50 Inch Length)
▶Driveshaft Housing/Exhaust Plate (49 parts) Driveshaft Housing/Exhaust Plate
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 10-40011155 SCREW, (M8 x 55) Stainless Steel
2 25-93221002 GROMMET
3 99019 CLAMP
4 42941001 SEAL, Water Tube
5 32-8M0042794 TUBE, Water Comment: (Long)
6 87917217T TUBE, Exhaust
7 10-40011153 SCREW, (M8 x 45) Stainless Steel
8 27-8M0000821 GASKET, Driveshaft Housing
9 821439T4 ADAPTOR PLATE
10 17-23784 PIN, Dowel
11 10-4010875 SCREW, (M10 x 75) Hex Flange - Stainless Steel
12 8M0043148 SEAL, Bottom Cowl
13 822419 COUPLER
14 25-822408001 GROMMET
15 880042 SHIFT SHAFT, Upper
16 12-89302 WASHER, (.203 x .406 x .040)
17 17-822417 PIN
18 18-210711 COTTER PIN
19 8M0000520 SCREW, (M12 x 162)
20 1400-8M4501487 MOUNT
21 10-40011153 SCREW, (M8 x 45) Stainless Steel
22 88238A10 CABLE ASSEMBLY, Ground
23 12-32834 WASHER, Neoprene
24 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
25 11-896963 NUT, (M12)
26 828466A1 TRIM COVER Comment: (Black)
27 8M0043155 BUMPER
28 10-826173 SCREW, (M5 x .8 x 60)
29 12-73288 WASHER, (.220 x .500 x .030) Stainless Steel
30 11-401365 NUT, (M5) Stainless Steel
31 8M0043170 BUMPER
32 822395001 SEAL
33 828495001 SEAL, Idle Relief
34 10-817430110 SCREW, (M10 x 110)
35 3525-821841T7 HOUSING, Driveshaft Comment: (Black) (Short) (Jet)
36 16-823984 STUD, (M10 x 50)
37 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
38 11-40140 NUT, (M10)
39 8284842 MOUNT, Lower
40 828485F1 COVER, Mount Comment: (Black)
41 10-40011151 SCREW, (M8 x 35) Stainless Steel
42 850030F1 YOKE, Bottom Comment: (Black)
43 10-8M0038368 SCREW, (M8 x 40) Stainless Steel
44 12-36001 WASHER
45 11-401378 NUT, (M8)
46 10-828556 SCREW, (M12 x 125)
47 11-896963 NUT, (M12)
48 88238A11 CABLE ASSEMBLY (A = To Port Side of Swivel Bracket)
▶Electrical Components (43 parts) Electrical Components
Ref OEM Part # Part Name
1 8302351 PLATE, Electrical
2 10-82239312 SCREW, (M5 x 12)
3 12-89302 WASHER, (.203 x .406 x .040)
4 56762 TIE STRAP, (4.00 Inches)
5 821889A50 REV LIMITER Comment: (Electric)
6 8266241 CLAMP Comment: (Electric)
7 10-82239312 SCREW, (M5 x 12) Comment: (Electric)
8 89-8M0185146 SOLENOID ASSEMBLY Comment: (Electric)
9 23-8M0214955 BUSHING Comment: (Electric)
10 25-818967 GROMMET Comment: (Electric)
11 10-82129125 SCREW, (M6 x 25 MM) Comment: (Electric)
12 11-64015 NUT, (.250-20) Comment: (Electric)
13 13-26992 LOCKWASHER, (.250) Stainless Steel Comment: (Electric)
14 84-88807A33 CABLE ASSEMBLY Comment: (Electric)
15 84-88807A16 CABLE ASSEMBLY, (4.00 Inches) Black Comment: (Electric)
16 8-32,11-26419 NUT, Brass Comment: (Electric)
17 8M0084173 REGULATOR, Voltage Comment: (Electric)
18 10-82129140 SCREW, (M6 x 40) Comment: (Electric)
19 54-8M0024808 J CLIP Comment: (Electric)
20 85-830233 BOOT, Insulator - Red Comment: (Electric)
21 84-88439A4 CABLE ASSEMBLY, Battery - Negative Comment: (Electric)
22 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel, Quantity of 3 on Electric
23 54-816311T TIE STRAP, (8.00 Inches)
24 10-82129125 SCREW, (M6 x 25 MM)
25 84-88807A31 CABLE ASSEMBLY
26 10-81742720 SCREW, (M8 x 20) Comment: (Manual)
27 10-82129116 SCREW, (M6 x 16) Comment: (Manual)
28 54-54457 J CLIP, Quanity of 3 on Electric
29 84-850220A2 HARNESS ASSEMBLY, Engine Comment: (Electric)
30 88-812619 FUSE, Yellow - 20 Ampere Comment: (Electric)
31 25-822002 GROMMET
32 23-822003 BUSHING
33 12-8M0214930 WASHER
34 10-40011129 SCREW, (M6 x 25) Stainless Steel
35 84-850221A2 HARNESS ASSEMBLY, Ignition
36 827509A10 CDM MODULE ASSEMBLY Comment: (11.00 Inch Leads)
37 84-857124A1 CABLE ASSEMBLY, Hi-Tension
38 85-857074A1 BOOT/TERMINAL KIT
39 33-896329885 SPARK PLUG Comment: (NGK#BUZ8H)
40 10-82129116 SCREW, (M6 x 16)
41 84-850052A1 HARNESS ASSEMBLY, Power Comment: (Manual)
42 84-11149T31 HARNESS ASSEMBLY Comment: (Manual)
43 84-852375A4 HARNESS ASSEMBLY Comment: (Electric)
▶Flywheel and Stator(Electric) (12 parts) Flywheel and Stator(Electric)
Ref OEM Part # Part Name
- 84-11149A27 CABLE ASSEMBLY
1 812777T1 COVER ASSEMBLY
2 11-42979 NUT, (M16)
3 12-33001 WASHER, (.641 x 1.250 x .190)
4 261-859234T24 FLYWHEEL
5 398-832075A21 STATOR ASSEMBLY
6 10-4013930 SCREW, (M5 x 30)
7 854512T TRIGGER
8 93421 SWIVEL BALL
9 93254 SWIVEL BASE
10 54-816311T TIE STRAP, (8.00 Inches)
11 NSS NOT SOLD SEPARATE, DECAL, EPA (2009 & Up) Comment: (Contact Mercury Marine Warranty Administration for Replacement-Service Bulletin 2009-18)
▶Flywheel and Stator(Manual) (10 parts) Flywheel and Stator(Manual)
Ref OEM Part # Part Name
1 261-859234T25 FLYWHEEL
2 11-42979 NUT, (M16)
3 12-33001 WASHER, (.641 x 1.250 x .190)
4 398-832074A11 STATOR ASSEMBLY
5 10-4013930 SCREW, (M5 x 30)
6 854512T TRIGGER
7 93421 SWIVEL BALL
8 93254 SWIVEL BASE
9 54-816311T TIE STRAP, (8.00 Inches)
10 13541 PLUG, Male
▶Fuel Pump(Electric) (38 parts) Fuel Pump(Electric)
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 NSS NOT SOLD SEPARATE, Diaphragm Kit
2 21-857005A1 DIAPHRAGM KIT
3 NSS NOT SOLD SEPARATE, Diaphragm
4 NSS NOT SOLD SEPARATE, Retainer
5 NSS NOT SOLD SEPARATE, Spring
6 NSS NOT SOLD SEPARATE, Cap
7 NSS NOT SOLD SEPARATE, Spring
8 NSS NOT SOLD SEPARATE, Cap
9 NSS NOT SOLD SEPARATE, Diaphragm
10 27-8M0204705 GASKET
11 NSS NOT SOLD SEPARATE, Gasket-Boost
12 NSS NOT SOLD SEPARATE, Gasket-Pulse
13 987752 PLATE
14 22-433351 CONNECTOR, (90 Degree) With Vibraseal (To Crankcase)
15 10-82130050 SCREW, (M6 x 50)
16 144303 BASE
17 32-831949 HOSE
18 35-816296Q2 FILTER, Fuel
19 32-830761 LINE, Fuel (To Top Carburetor)
20 54-816311T TIE STRAP, (8.00 Inches)
21 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 1.25 Inch Length) Comment: (50)
22 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 1.25 Inch Length) Comment: (50)
23 22-818993 CONNECTOR, Tee Comment: (50)
24 32-82381335 TUBING, (15.00 Inches Bulk) (Cut to 1.50 Inch Length) Comment: (50) (To Oil Pump Outlet)
25 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 22.00 Inch Length)
26 22-8189941 CHECK VALVE
27 22-816856T01 CONNECTOR ASSEMBLY, Fuel
28 10-4000332 SCREW, (M6 x 35)
29 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 4.50 Inch Length)
30 54-633003 CLAMP
31 89-819503A5 SOLENOID KIT, Enrichner Valve
32 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 8.00 Inch Length) Comment: (To Tee Fitting off of Electric Carburetor)
33 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 4.00 Inch Length)
34 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 14.00 Inch Length) Comment: (To Oil Pump Fitting)
35 22-59169003 FITTING, Tee
36 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 2.00 Inch Length) Comment: (To Intake Manifold Fitting)
37 10-4006731 SCREW, (M6 x 16)
▶Fuel Pump(Manual) (30 parts) Fuel Pump(Manual)
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 NSS NOT SOLD SEPARATE, Fuel Pump
2 21-857005A1 DIAPHRAGM KIT
3 NSS NOT SOLD SEPARATE, Diaphragm Kit
4 NSS NOT SOLD SEPARATE, Retainer
5 NSS NOT SOLD SEPARATE, Spring
6 NSS NOT SOLD SEPARATE, Cap
7 NSS NOT SOLD SEPARATE, Diaphragm
8 NSS NOT SOLD SEPARATE, Cap
9 NSS NOT SOLD SEPARATE, Diaphragm
10 27-8M0204705 GASKET
11 NSS NOT SOLD SEPARATE, Gasket-Boost
12 NSS NOT SOLD SEPARATE, Gasket-Pulse
13 987752 PLATE
14 22-433351 CONNECTOR, (90 Degree) With Vibraseal ( To Crankcase)
15 10-82130050 SCREW, (M6 x 50)
16 144303 BASE
17 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 22.00 Inch Length)
18 54-816311T TIE STRAP, (8.00 Inches)
19 32-830761 LINE, Fuel (To Carburetor)
20 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 4.50 Inch Length)
21 35-816296Q2 FILTER, Fuel
22 32-831949 HOSE
23 22-59169003 FITTING, Tee
24 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 9.50 Inch length) Comment: (To Top Carburetor)
25 858763 PRIMER BULB
26 22-816856T01 CONNECTOR ASSEMBLY, Fuel
27 10-4000332 SCREW, (M6 x 35)
28 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 5.50 Inch Length) Comment: (To Manifold Bottom)
29 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 1.50 Inch Length) Comment: (To Manifold Top)
▶Gasket Set Components-Engine Overhaul (1 parts) Gasket Set Components-Engine Overhaul
Ref OEM Part # Part Name
- 27-8144461 GASKET, Flange, Carburetor
▶Gear Housing(Driveshaft)(1.83:1 Gear Ratio) (40 parts) Gear Housing(Driveshaft)(1.83:1 Gear Ratio)
Ref OEM Part # Part Name
- 821354A2 REPAIR KIT, Water Pump
1 1682-821306T12 GEAR HOUSING ASSEMBLY, Basic Comment: (Basic-Black)
2 818226A1 SEAL/PLATE KIT
3 NSS NOT SOLD SEPARATE, Plate
4 10-79953Q04 SCREW KIT, (.375-16 x .250) Drain (.375-16 X .25)
5 12-191833 WASHER
6 22-8M0058389 PLUG KIT, Drain (Magnetic)
7 12-191833 WASHER
8 11-55910 NUT, (.437-20)
9 43-822161T2 GEAR, Pinion, 12 Teeth
10 31-821321A2 BEARING ASSEMBLY
11 NSS NOT SOLD SEPARATE, Cup
12 10-8248324 SCREW, (M6 x 16)
13 46-821351A3 HOUSING ASSEMBLY, Water Pump Upper
14 8235471 SEAL
15 12-866451 WASHER
16 28-8M0214993 KEY
17 12-866451 WASHER
18 27-822189 GASKET, Upper Water Pump
19 27-8M0214956 GASKET, Lower Water Pump, Lower
20 8213542 FACE PLATE
21 47-8M0204712 IMPELLER
22 46-821307A2 BASE ASSEMBLY, Water Pump
23 26-821309 SEAL
24 26-821310 SEAL
25 25-821308 O-RING, (1.421 x .139)
26 45-822159T1 DRIVESHAFT Comment: (Long)
27 30-821311 BEARING, Ball
28 823548T TIE STRAP
29 822158 BOOT
30 821827 RETAINER
31 25-26855 O-RING, (1.609 x .139)
32 25-85594 O-RING, (.239 x .174)
33 12-814803 WASHER
34 821319A1 SHIFT SHAFT Comment: (Long)
35 11-400212 NUT, (M6) Stainless Steel
36 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
37 17-85593 PIN, (.078 x .437)
38 8213161 CAM, Shift
39 17-822369 PIN, (.125 x .625)
▶Gear Housing, Propeller Shaft - 1.83:1 Gear Ratio (36 parts) Gear Housing, Propeller Shaft - 1.83:1 Gear Ratio
Ref OEM Part # Part Name
- 823547A2 SEAL KIT
1 1682-821306T12 GEAR HOUSING ASSEMBLY, Basic Comment: (Basic-Black)
40 17-821327 PIN, Dowel
41 27-823942 GASKET
42 32-8M0026108 TUBE
43 19-824928001 PLUG, Rubber
44 821829 SCREEN
45 822157T2 TRIM TAB
46 10-82497020 SCREW, (M8 x 20)
47 12-72397 WASHER
48 43-822162T2 GEAR, Forward, 22 Teeth
49 31-8M0103470 BEARING ASSEMBLY, Roller
50 NSS NOT SOLD SEPARATE, Cup
51 31-41326 BEARING, Roller
52 821578 FOLLOWER, Cam
53 24-8261991 SPRING
54 17-8M0020999 PIN
55 52-821314T CLUTCH
56 24-38114 SPRING
57 44-8M0140441 PROPELLER SHAFT
58 43-822163T1 GEAR, Reverse, 22 Teeth
59 30-20839T BEARING, Ball
60 8M0168900 CARRIER ASSEMBLY, Bearing
61 25-815460 O-RING
62 31-21700 BEARING, Needle
63 26-8M0205511 SEAL, Oil
64 26-8M0203757 SEAL, Oil
65 12-855941 WASHER, (.323 x .590 x .112) Stainless Steel Comment: (Use with Threaded Insert)
66 10-85594030 SCREW, (M8 x 30) Comment: (Use with Threaded Insert)
67 8227731 INSERT, Threaded
68 NSS NOT SOLD SEPARATE, Decal (1.83:1) (12 X 22)
69 73345A1 THRUST HUB
70 11-69578Q1 PROP NUT KIT
71 14-8M0214942 TAB WASHER
72 10-4000380 SCREW, (M10 x 45)
73 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
▶Induction Manifold and Reed Block (28 parts) Induction Manifold and Reed Block
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 27-8M0000822 GASKET
2 1171-9812A8 END CAP ASSEMBLY
3 26-828932 SEAL, Oil
4 26-41953 SEAL
5 25-8M0142854 O-RING, (2.175 x .175)
6 10-81742720 SCREW, (M8 x 20)
7 19077A07 BRACKET ASSEMBLY
8 16-8161949 STUD, (M6 x 44)
9 12-8M0204663 WASHER, (.187 x .500 x .062) Neoprene Comment: (Electric)
10 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel Comment: (Electric)
11 11-816872 WING NUT Comment: (Electric)
12 10-82127335 SCREW, (M8 x 35 MM)
13 827998A1 MANIFOLD ASSEMBLY, Induction
14 22-19725 ELBOW Comment: (Electric)
15 22-19725 ELBOW Comment: (Manual)
16 22-15026 CAP Comment: (Manual)
17 54-816311T TIE STRAP, (8.00 Inches)
18 27-812869 GASKET
19 10-81742730 SCREW, (M8 x 30)
20 8M0219197 REED BLOCK ASSEMBLY
21 27-812868 GASKET
22 NSS NOT SOLD SEPARATE, Dowel Pin
23 34-812880A03 REED ASSEMBLY
24 14-429821 TAB WASHER
25 812879002 RETAINER, Reed Comment: (50)
26 825267 RETAINER, Reed Comment: (40)
27 10-88421471 SCREW, (M6 x 16)
▶Lube Chart (0 parts) Lube Chart
▶Oil Injection Components (28 parts) Oil Injection Components
Ref OEM Part # Part Name
- 27-828553A97 GASKET SET
1 23-822003 BUSHING
2 25-822002 GROMMET
3 10-40011129 SCREW, (M6 x 25) Stainless Steel
4 1276-828163A2 TANK ASSEMBLY, Oil
5 36-828765A2 CAP ASSEMBLY
6 NSS NOT SOLD SEPARATE, Tether
7 11-821285 PUSH NUT
8 19299A1 VENT ASSEMBLY
9 21-64871 VALVE
10 8M0039080 SEAL
11 54-816311T TIE STRAP, (8.00 Inches)
12 25-813644002 GROMMET
13 87-12886A6 SWITCH ASSEMBLY
14 10-58376 SCREW, (.164-18 x .375)
15 12-72761 WASHER, (.203 x .562 x .060) Stainless Steel
16 23-826084 SPACER
17 32-82381335 TUBING, (15.00 Inches Bulk) (Cut to 12.00 Inch Length)
18 818902A2 PUMP ASSEMBLY, Oil Injection Comment: (40)
19 818902A1 PUMP ASSEMBLY, Oil Injection Comment: (50)
20 25-36390 O-RING
21 25-8M0204667 O-RING
22 10-40011108 SCREW, (M5 x 20) Stainless Steel
23 43-19277 GEAR, Driven
24 23-19278A2 BEARING ASSEMBLY
25 23-17597 BUSHING (Flanged)
26 23-17596 BUSHING
27 8M0084729 LINK
▶Power Trim (31 parts) Power Trim
Ref OEM Part # Part Name
- 25-827668A1 O-RING KIT
1 822344T14 POWER TRIM ASSEMBLY
2 893931A01 SHOCK ROD ASSEMBLY
3 827671A1 PILOT CHECK ASSEMBLY
4 827672A1 TILT RELIEF VALVE ASSEMBLY
5 827673A1 SEAT ASSEMBLY, Suction
6 827674A1 PUMP ASSEMBLY
7 NSS NOT SOLD SEPARATE, Ball/Spring
8 NSS NOT SOLD SEPARATE, Screw
9 NSS NOT SOLD SEPARATE, Filter
10 NSS NOT SOLD SEPARATE, O-Ring
11 827675A1 MOTOR ASSEMBLY
12 NSS NOT SOLD SEPARATE, Screw
13 NSS NOT SOLD SEPARATE, Washer
14 88238A15 CABLE ASSEMBLY
15 NSS NOT SOLD SEPARATE, O-Ring
16 NSS NOT SOLD SEPARATE, Coupler
17 827676 PISTON, Memory
18 893929A01 MANUAL RELEASE ASSEMBLY
19 19-811613 PLUG ASSEMBLY
20 831276T BRACKET
21 84-826802A9 HARNESS ASSEMBLY, Trim
22 10-82129125 SCREW, (M6 x 25 MM)
23 8M0207773 RELAY ASSEMBLY
24 828102 BRACKET
25 25-818967 GROMMET
26 23-8M0214955 BUSHING
27 NSS NOT SOLD SEPARATE, Decal
28 10-878609 SCREW, (#10-16 x .600)
29 8M0084613 C WASHER
30 54-22740 CLIP
▶Service/Support Material (1 parts) Service/Support Material
Ref OEM Part # Part Name
- NSS NOT SOLD SEPARATE, DECAL, EPA (2009 & Up) Comment: (Contact Mercury Marine Warranty Administration for Replacement-Service Bulletin 2009-18)
▶Starter Assembly(Manual) (38 parts) Starter Assembly(Manual)
Ref OEM Part # Part Name
- 816728T14 STARTER ASSEMBLY, Recoil
1 85174A1 HANDLE ASSEMBLY
2 NSS NOT SOLD SEPARATE, Retainer
3 NSS NOT SOLD SEPARATE, Rest
4 8M0043416 SEAL
5 10-4010630 SCREW, (M6 x 30) Stainless Steel
6 23-830190 SPACER
7 23-816086 BUSHING
8 25-8157951 GROMMET
9 12-858779 WASHER, (.265 x .750 x .048)
10 11-401196 NUT, (M6)
11 8567541 CABLE, Interlock
12 10-8214281 SCREW, (#10-16 x .625)
13 12-73288 WASHER, (.220 x .500 x .030) Stainless Steel
14 18-26811 COTTER PIN
15 10-878608 SCREW, (#10-16 x .500)
16 18-26811 COTTER PIN
17 816728T05 HOUSING
18 24-826791 SPRING
19 8166903 LEVER
20 816712T01 CAM
21 816711 RETAINER
22 10-8182491 SCREW, (#10-16 x 1.00)
23 13-826229 LOCKWASHER, SPRING
24 24-86857T01 SPRING
25 50-825269T01 SHEAVE, Starter
26 24-86851T02 SPRING
27 868501 CAM
28 53-86849T01 RING, Retaining
29 50-12066Q10 ROPE
30 24-868523 SPRING
31 86853T01 CAM
32 10-826253 SCREW, (.250-20 x .625)
33 8M0183792 BUSHING
34 53-818853 RING, Retaining
35 NSS NOT SOLD SEPARATE, Timing Decal
36 NSS NOT SOLD SEPARATE, Decal-Caution in Gear Idle
37 NSS NOT SOLD SEPARATE, DECAL, EPA (2009 & Up) Comment: (Contact Mercury Marine Warranty Administration for Replacement-Service Bulletin 2009-18)
▶Starter Motor (16 parts) Starter Motor
Ref OEM Part # Part Name
1 50-893890T STARTER MOTOR ASSEMBLY
2 10-965661 THRU BOLT
3 90643 DRIVE KIT
4 685753 DRIVE ASSEMBLY
5 8236392 DRIVE CAP
6 965651 ARMATURE
7 8119011 CAP, Commutator
8 898265016 BRUSH/SPRING KIT
9 898265014 HOLDER
10 F15158 SCREW
11 13-26992 LOCKWASHER, (.250) Stainless Steel
12 11-64015 NUT, (.250-20)
13 84-88439A9 CABLE ASSEMBLY, Battery - Positive
14 10-40011153 SCREW, (M8 x 45) Stainless Steel
15 NSS NOT SOLD SEPARATE, Decal-Warning
16 823989 BRACKET, Oil Tank
▶Swivel Bracket (27 parts) Swivel Bracket
Ref OEM Part # Part Name
1 19608A14 ATTACHING KIT, Engine Steering Comment: (Non-Handle)
2 10-823919 SCREW, (.375-24 x 1.500) Comment: (Non-Handle)
3 12-8M0109680 WASHER, (.390 x .546 x .12) Comment: (Non-Handle)
4 12-37828 WASHER, (.390 x .625 x .062) Stainless Steel Comment: (Non-Handle)
5 11-8M0204726 NUT, (.375-24) Brass Comment: (Non-Handle)
6 822397 PUCK Comment: (Non-Handle)
7 3410-827402T5 SWIVEL BRACKET
8 23-8217711 BUSHING, Upper
9 22-8M0169589 FITTING, Grease Comment: (Quanty of 4 on Handle Version)
10 23-821777 BUSHING, Lower
11 26-8M0205512 SEAL
12 NSS NOT SOLD SEPARATE, Decal-Serial Overlaminate
13 88238A11 CABLE ASSEMBLY Comment: (A = To Screw on Bottom Yoke)
14 12-19619 WASHER
15 10-40011149 SCREW, (M8 x 25) Stainless Steel Comment: (Non-Handle)
16 8282451 SEAL Comment: (Non-Handle)
17 19624A1 SEAL KIT Comment: (Non-Handle)
18 25-29619 O-RING, (.583 x .103) Comment: (Non-Handle)
19 23-78861 SPACER Comment: (Non-Handle)
20 12-19619 WASHER
21 8M0041938 TILT TUBE
22 11-858869 NUT, (.875-14)
23 37-8237011 DECAL, Co-Pilot
24 17-821539 PIN, Trilobe
25 23-823507 BUSHING
26 17-822480 PIN, Pivot, Upper
27 10-878607 SCREW, (#10-16 x .375)
▶Swivel Tube (14 parts) Swivel Tube
Ref OEM Part # Part Name
1 821769T2 SWIVEL TUBE HEAD, Gray
2 8M0184092 BRACKET Comment: (Non-Handle)
3 14-8M0009820 TAB WASHER Comment: (Non-Handle)
4 10-4000377 SCREW, (M10 x 30) Comment: (Non-Handle)
5 11-8M0204726 NUT, (.375-24) Stainless Steel
6 823792 LEVER
7 12-29330 WASHER
8 821961 ROD, Threaded
9 821957 BRAKE PLATE
10 8165621 DISC
11 8M0007471 PLATE
12 8165621 DISC
13 10-768042 SHOULDER SCREW, Hex
14 8M0156878 BUMPER
▶Throttle Lever and Linkage (32 parts) Throttle Lever and Linkage
Ref OEM Part # Part Name
1 42946T1 LEVER, Throttle
2 10-817582 SCREW, Adjusting (M5 x 35)
3 11-400211 NUT, (M5) Stainless Steel
4 42927 INSERT
5 12-35459 WASHER Comment: (Non-Handle)
6 11-401386 NUT, (M6) Stainless Steel Comment: (Non-Handle)
7 10-814776 SCREW, Adjusting (M6 x 55)
8 11-400212 NUT, (M6) Stainless Steel
9 42942 CAP
10 23-812930A1 BUSHING
11 NSS NOT SOLD SEPARATE, Insert
12 10-4007180 SCREW, (M10 x 45)
13 23-8M0215006 BUSHING
14 24-55162 SPRING
15 12-42980 WASHER
16 19663T02 LEVER, Spark Advance
17 878172 ROD, Spark Advance
18 93254 SWIVEL BASE
19 10-814776 SCREW, Adjusting (M6 x 55)
20 11-400212 NUT, (M6) Stainless Steel
21 42942 CAP
22 93421 SWIVEL BALL
23 16-8161949 STUD
24 24-817702 SPRING Comment: (Electric)
25 828160A2 CAM ASSEMBLY, Throttle
26 23-8M0215006 BUSHING
27 878174 ROD, Throttle
28 12-65567 WASHER, (.265 x .750 x .048) Stainless Steel
29 11-401386 NUT, (M6) Stainless Steel
30 12-828494 WASHER Comment: (Electric) (Non-Handle)
31 8214943 BRACKET Comment: (Handle Versions)
32 10-4006731 SCREW, (M6 x 16) Comment: (Handle Versions)
▶Tiller Handle (34 parts) Tiller Handle
Ref OEM Part # Part Name
- 37-8M0032728 DECAL, Lanyard, Black
1 822148A7 COVER KIT, Pulley Case
2 822150 PULLEY
3 NSS NOT SOLD SEPARATE, Case
4 10-878608 SCREW, (#10-16 x .500)
5 4324212 CABLE ASSEMBLY, Throttle (28.50 Inches)
6 4324213 CABLE ASSEMBLY, Throttle (30.00 Inches)
7 85-960099 SLEEVE, (12.00 Inches)
8 10-82526225 SCREW, (M8 x 25 MM)
9 8M0072298 COVER Comment: (Black)
10 23-821477 BUSHING
11 828813T1 ARM, Steering Handle Comment: (Black)
12 822441 RETAINER
13 10-40011107 SCREW, (M5 x 16) Stainless Steel
14 10-8M0204707 SCREW, (M6 x 25)
15 892995 LOCK, Throttle
16 24-96203 SPRING
17 821972T KNOB, Throttle
18 8M0138696 TILLER TUBE
19 37-8242004 DECAL Comment: (Turtle/Rabbit)
20 821465 HANDLE, Throttle
21 8M0221732 GRIP
22 87-8M0104614 SWITCH, Stop
23 10-824848110 SCREW, (M10 x 110)
24 14-8M0009820 TAB WASHER
25 823687 CLIP
26 23-828569 SPACER
27 821455A4 BRACKET, Tiller Comment: (Black)
28 13-826792 WAVE WASHER
29 23-821477 BUSHING
30 12-827314 WASHER
31 87-11083A31 SWITCH
32 8M0032846 RETAINER, Brass
33 15920Q54 LANYARD ASSEMBLY
▶Tools, Special (1 parts) Tools, Special
Ref OEM Part # Part Name
- 91-37241 PULLER PLATE, Universal Comment: (Gear Housing)
▶Top Cowl (27 parts) Top Cowl
Ref OEM Part # Part Name
1 4019-825239T14 TOP COWL ASSEMBLY Comment: (Silver)(Electric)
2 4019-825239T12 TOP COWL ASSEMBLY Comment: (Silver)(Manual)
3 8M0041044 BRACKET, Cowl Support Comment: (Rear)
4 828433T SPACER, Bracket
5 10-83208630 SCREW
6 11-400632 NUT
7 893763 BRACKET ASSEMBLY, Latch Roller
8 10-4006731 SCREW, (M6 x 16)
9 813546003 MOUNT
10 47341A11 ROPE AND HANDLE KIT, Manual Starting
11 8M0041646 BRACKET, Cowl Support - Front Comment: (Front)
12 828503 LATCH KEEPER
13 10-83208616 SCREW
14 11-400632 NUT
15 8M0038217 DUCT, Air Inlet
16 NSS NOT SOLD SEPARATE, Induction Insert
17 10-F2317 SCREW, (.250-20 x .875)
18 8M0043404 SEAL
19 813504A1 GAUGE KIT, Oil Level Comment: (Electric)
20 813505 GROMMET Comment: (Electric)
21 113171 RETAINER Comment: (Electric)
22 11-65110 NUT Comment: (Electric)
23 828180A02 SOUND BLANKET KIT, (Pre-Applied Pressure Sensitive Adhesive)
24 NSS NOT SOLD SEPARATE, Starboard and Rear
25 NSS NOT SOLD SEPARATE, Port and Rear
26 NSS NOT SOLD SEPARATE, Tape
27 37-82409316 DECAL, F-N-R Shift
▶Trim Switch Kit (8 parts) Trim Switch Kit
Ref OEM Part # Part Name
- 87-18286A18 SWITCH KIT, Trim (10.00 Feet)
1 18861 RETAINER
2 814820 ADAPTOR
3 NSS NOT SOLD SEPARATE, Switch
4 88-8M0207796 FUSE, 20 Ampere
5 84-95084A2 CABLE ASSEMBLY
6 84-11149A2 CABLE ASSEMBLY, (6.00 Inches)
7 10-813523 SCREW, (#10-16 x 2.25)

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 50 (3 CYL.) running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.

  1. Replace water pump impeller and inspect wear plate
  2. Change engine oil and oil filter (check drain plug washer)
  3. Replace spark plugs and check ignition timing
  4. Drain and refill lower unit gear oil; inspect for water contamination
  5. Inspect fuel lines, primer bulb, and fuel filter for deterioration
  6. Check and replace sacrificial anodes (zinc or aluminum)
  7. Inspect propeller for damage; check shaft seal and cotter pin
  8. Check valve clearance (refer to service manual for specifications)
  9. Lubricate all grease points (steering, tilt tube, shift linkage)
  10. 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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