Mercury 55 (3 CYL.) (0P325500 & Up) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 55 (3 CYL.). Scroll down for exploded parts diagrams (35), specifications, and maintenance reference.

Mercury 55 (3 CYL.) (0P325500 & Up) Parts & Diagrams

🔎 Mercury 55 (3 CYL.) Reference Library — Exploded parts diagrams (35 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 55 (3 CYL.) is a 2-Stroke, 3-Cylinder outboard motor. Suited for bay boats, pontoons, and center-console fishing boats requiring reliable mid-range power.

Quick Reference Specifications

Specification Value
Engine Type 2-Stroke, 3-Cylinder
Horsepower 55 HP
Displacement 967 cc
Bore x Stroke 76 mm x 71 mm
Spark Plug (Type & Gap) NGK BUHW-2
Engine Oil Capacity Pre-mix or Oil Injection
Recommended Engine Oil Quicksilver Premium 2-Cycle TC-W3
Gear Case Oil Capacity 380-440 mL (12.8-14.9 fl oz)
Idle Speed (in gear) 650 ± 50 RPM (in gear)
Full Throttle RPM Range 5000-5500
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 55 (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 55 (3 CYL.).

Accessories (1 parts) Accessories
Ref OEM Part # Part Name
- 816667A2 BRACKET ASSEMBLY, Steering Comment: (Convert Tiller To Remote Storage)
Attenuator Plate (23 parts) Attenuator Plate
Ref OEM Part # Part Name
- 27-812867A97 GASKET SET
1 19662 ATTENUATOR, Sound
2 10-814776 SCREW, Adjusting (M6 x 55)
3 19-815784 CAP
4 26-812889 SEAL
5 812874 PLATE, Sound Attenuator
6 10-4000363 SCREW, (M8 x 100)
7 NSS NOT SOLD SEPARATE, Decal-Warning Comment: (Manual)
8 NSS NOT SOLD SEPARATE, Decal-Caution
9 NSS NOT SOLD SEPARATE, Decal-Full Throttle Timing Comment: (Electric)
10 11399A1 ARM ASSEMBLY
11 67748 ROLLER
12 10-40056103 SCREW, (M5 x 6)
13 12-8M0204666 WASHER, (.203 x .500 x .032)
14 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 4.50 Inch Length) Comment: (Electric)
15 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 3.00 Inch Length) Comment: (Electric)
16 22-830285 FITTING TEE Comment: (Electric)
17 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 1.00 Inch Length) Comment: (Electric)
18 54-816311T TIE STRAP, (8.00 Inches)
19 27-8144461 GASKET, Flange
20 825204T03 LINK, Throttle
21 NSS NOT SOLD SEPARATE, Decal-Caution in Gear Idle
22 12-35462 WASHER, (.2656 x .625 x .0625) Stainless Steel
Carburetor (29 parts) Carburetor
Ref OEM Part # Part Name
- 1395-8112231 GASKET SET, Carburetor Comment: (1 Per Carburetor)
1 3301-821854T21 CARBURETOR, (WME 94-3) Comment: (Bottom - 55/60 Manual)
2 1395-823632 SHAFT, Throttle Comment: (Upper/Bottom)(WME-57/94)
3 1395-823633 SHAFT, Throttle Comment: (Center)(WME-57/94)
4 1395-823636 SHAFT, Throttle Comment: (Bottom)(WME-58/95)
5 1395-823634 SCREW Comment: (Upper/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 Comment: (WME 58/95 -Bottom)
14 1395-8086121 SCREW, Lever Retainer Comment: (WME 58/95 -Bottom)
15 10-F10155 SCREW, Throttle Valve
16 97246 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 Comment: (WME-58/95)
25 1395-811694 PLUG KIT
26 1395-802731 SEAL (Consists of 4 seals)
27 1395-6487 JET, Main (.060) Comment: (WME-58/95)
28 12-35462 WASHER, (.2656 x .625 x .0625) Stainless Steel Comment: (Use one for Top Carburetor Only)
Clamp Bracket(Manual) (40 parts) Clamp Bracket(Manual)
Ref OEM Part # Part Name
1 3420-8M0084195 CLAMP BRACKET ASSEMBLY Comment: (Black-Port)
2 22-8M0169588 FITTING, Grease
3 17-99604 PIN, Groove
4 3419-822867F1 CLAMP BRACKET Comment: (Black)
5 893704T01 LEVER ASSEMBLY, Tilt Lock Comment: (Black)
6 24-99622 SPRING
7 23-65830 NYLINER
8 24-812708 SPRING
9 812709 KNOB Comment: (Black)
10 17-99615 PIN, Groove
11 12-19619 WASHER
12 18486F5 BRACKET, Anchor Comment: (Black)
13 97-818298Q1 ANODE KIT
14 10-8M0204707 SCREW, (M6 x 25)
15 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
16 10-85594030 SCREW, (M8 x 30)
17 10-8M0000586 SCREW, (M8 x 35)
18 12-843108 WASHER, (.330 x .560 x .060) Stainless Steel
19 11-401388 NUT, (M8) Stainless Steel
20 17-8M0026068 PIN ASSEMBLY, Tilt Lock
21 24-821461 SPRING
22 8M0041938 TILT TUBE
23 11-858869 NUT, (.875-14)
24 10-814259 SCREW, (.500-20 x 4.00)
25 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
26 11-82671117 NUT, (.500-20)
27 8M0084737 LINK
28 19615A05 LEVER ASSEMBLY, Tilt
29 23-812707 BUSHING
30 12-8M0042643 WASHER, (.520 x .850 x .060) Nylon - Black
31 13-99611 WAVE WASHER
32 8M0007469 TILT KNOB
33 10-19611 SCREW, (.375-16 x .62)
34 37-830253 DECAL, Tilt Lock
35 NSS NOT SOLD SEPARATE, Decal-Warning
36 10-818883A1 THUMB SCREW ASSEMBLY
37 12-818884 WASHER
38 10-768042 SHOULDER SCREW, Hex
39 NSS NOT SOLD SEPARATE, Handle
40 NSS NOT SOLD SEPARATE, Rivet
Cowl, Top and Bottom (56 parts) Cowl, Top and Bottom
Ref OEM Part # Part Name
1 4005-816534T14 TOP COWL ASSEMBLY, Silver-Manual
2 824666 SHIELD, Air Inlet
3 10-4006731 SCREW, (M6 x 16)
4 47341A11 ROPE AND HANDLE KIT, Manual Starting
5 NSS NOT SOLD SEPARATE, Envelope
6 813548A6 BRACKET, Cowl Support - Silver
7 10-8231871 SCREW, (M4 x 14.5)
8 8,13-26995 LOCKWASHER, Stainless Steel
9 11-8237515 NUT, (M4)
10 813549A2 BRACKET, Cowl Support Comment: (Rear)
11 10-8231871 SCREW, (M4 x 14.5)
12 8,13-26995 LOCKWASHER, Stainless Steel
13 11-8237515 NUT, (M4)
14 814336A02 SOUND BLANKET KIT, (Pre-Applied Pressure Sensitive Adhesive) Comment: (Electric/Manual)
15 NSS NOT SOLD SEPARATE, Sound Blanket-Manual
16 NSS NOT SOLD SEPARATE, Sound Blanket-Starboard
17 NSS NOT SOLD SEPARATE, Sound Blanket-Port
18 NSS NOT SOLD SEPARATE, Sound Blanket-Rear
19 8M0043150 SEAL
20 813504A1 GAUGE KIT, Oil Level Comment: (Electric)
21 813505 GROMMET Comment: (Electric)
22 113171 RETAINER Comment: (Electric)
23 11-65110 NUT Comment: (Electric)
24 823593A1 DEFLECTOR KIT, Air
25 813546003 MOUNT
26 893763 BRACKET ASSEMBLY, Latch Roller
27 10-4006731 SCREW, (M6 x 16)
28 2197-812512A8 BOTTOM COWL Comment: (Black)
29 8M0043162 SEAL
30 8M0043169 BUMPER
31 87-8M0042301 SWITCH ASSEMBLY Comment: (Power Trim)
32 812830T01 PLUG Comment: (Non Power Trim)
33 8M0032848 RETAINER
34 22-813613 FITTING
35 813606003 SEAL
36 10-40011151 SCREW, (M8 x 35) Stainless Steel
37 813605003 SEAL
38 32-7568058 HOSE, (15.00 Inches)
39 10-4006731 SCREW, (M6 x 16)
40 19812T03 BRACKET, Cable Retainer
41 10-42975 DRIVE SCREW
42 98889 LATCH
43 39519 CUP
44 84-88807A28 CABLE ASSEMBLY
45 10-878607 SCREW, (#10-16 x .375)
46 10-4000335 SCREW, (M6 x 50)
47 12-35280 WASHER, (.255 x .620 x .030) Stainless Steel
48 13-37642 WAVE WASHER
49 23-19428 BUSHING
50 813547F1 LEVER, Cowl Latch
51 826354A1 BUSHING KIT, Cowl Latch
52 NSS NOT SOLD SEPARATE, Bushing
53 813604 LATCH CAM
54 11-401386 NUT, (M6) Stainless Steel
55 812717T1 TRIM COVER
56 10-8M0204741 SCREW, (M6 x 20) Stainless Steel
Crankshaft, Pistons and Connecting Rods (20 parts) Crankshaft, Pistons and Connecting Rods
Ref OEM Part # Part Name
- 852071T97 POWERHEAD ASSEMBLY
1 2411-827954T2 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 Comment: (Top)
7 26-8173971 SEAL, Oil
8 827955A2 BEARING ASSEMBLY, Center Main
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 Comment: (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 (45 parts) Cylinder Block and Crankcase
Ref OEM Part # Part Name
- 27-812867A97 GASKET SET
1 2801-827953T4 CYLINDER BLOCK
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, Center Main-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 Comment: (Electric)
18 22-328022 PLUG, Pipe (.125-27) Brass Comment: (Manual)
19 22-328022 PLUG, Pipe (.125-27) Brass
20 22-19725 ELBOW
21 21-426585 CHECK VALVE
22 827251A1 COVER
23 850897 LIFTING EYE Comment: (Manual)
24 10-40011149 SCREW, (M8 x 25) Stainless Steel Comment: (Manual)
25 NSS NOT SOLD SEPARATE, Decal-Serialization
26 10-40011149 SCREW, (M8 x 25) Stainless Steel
27 889735 CARRIER Comment: (Electric)
28 850055001 THERMOSTAT, 43°C (110°F) Comment: (Electric)
29 26-854639001 SEAL Comment: (Electric)
30 787992 SENDER, Temperature
31 889733 RETAINER
32 10-878609 SCREW, (#10-16 x .600)
33 12-8M0204666 WASHER, (.203 x .500 x .032)
34 12-8M0204663 WASHER, (.187 x .500 x .062) Neoprene Comment: (Electric)
35 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel Comment: (Electric)
36 11-816872 WING NUT Comment: (Electric)
37 22-996642 FITTING, Elbow 90 Degree (.125-27 x .250) Nylon Comment: (Electric)
38 22-782792 FITTING, Elbow 45 Degree (1.25) Comment: (Manual)
39 22-56759 FITTING, Barbed Comment: (Electric)
40 8129962 COVER Comment: (Manual)
41 25-48462 O-RING, (.614 x .070) Comment: (Manual)
42 10-40011108 SCREW, (M5 x 20) Stainless Steel Comment: (Manual)
43 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 5.50 Inch Length)
44 37-881865 DECAL, Caution-Start in Gear Comment: (Start In Gear) (Electric-Non Handle)
Driveshaft Housing (29 parts) Driveshaft Housing
Ref OEM Part # Part Name
1 3516-816528A3 HOUSING ASSEMBLY, Driveshaft Comment: (Jet 40/45)
2 16-8M0034445 STUD, (M10 x 166) Comment: (60 Bigfoot - LL)
3 10-817430110 SCREW, (M10 x 110)
4 16-8M0034425 STUD, (M10 x 120) Comment: (55 LL - Front)
5 10-4000380 SCREW, (M10 x 45) Comment: (Short/Long)(Non Jet Models)
6 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel Comment: (Bigfoot Models)
7 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel Comment: (Bigfoot Models)
8 11-40140 NUT, (M10) Comment: (Bigfoot Models)
9 22-85822A7 SPEEDOMETER PICK UP
10 22-85822T CONNECTOR, Straight
11 22-8M0181450 FITTING
12 10-8M0010931 SCREW, (M12 x 1.75)
13 42930A1 MOUNT ASSEMBLY, Lower
14 12-20959 WASHER
15 88238A10 CABLE ASSEMBLY, Ground
16 11-8M0204662 NUT, (M12)
17 10-40011149 SCREW, (M8 x 25) Stainless Steel
18 8M0036730 CLAMP
19 11-35521 NUT
20 100-8M4500752 COVER, Black Comment: (Black)
21 10-88417 SCREW, (#12-24 x .620)
22 23-8137451 SPACER (LL)
23 43585 COUPLING
24 816696T5 SPACER Comment: (Black-60)
25 17-43044 PIN, Dowel - Without Hole (.375 x .625)
26 17-8M0084244 PIN, Dowel - With Hole (.375 x .625)
27 817401A1 TUBE ASSEMBLY, Water Comment: (55)
28 25-8M0204645 O-RING, (.796 x .139)
29 26-821093 SEAL
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 883071T REGULATOR, Voltage Comment: (Manual-Greek)
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 Comment: (Quantity of 1 Required on Manual)
23 54-816311T TIE STRAP, (8.00 Inches)
24 10-82129125 SCREW, (M6 x 25 MM)
25 84-88807A31 CABLE ASSEMBLY
26 10-82129116 SCREW, (M6 x 16) Comment: (Manual)
27 54-54457 J CLIP
28 84-850220A2 HARNESS ASSEMBLY, Engine Comment: (Electric)
29 88-812619 FUSE, Yellow - 20 Ampere Comment: (Electric)
30 13541 PLUG, Male 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 33-8M0114745 SPARK PLUG Comment: (NGK#BP8HS-10)
40 10-82129116 SCREW, (M6 x 16)
41 84-850052A1 HARNESS ASSEMBLY, Power Comment: (Manual)
42 84-11149T31 HARNESS ASSEMBLY Comment: (Manual)
43 84-74725A3 HARNESS ASSEMBLY, Lightning Comment: (International)
Exhaust Plate (25 parts) Exhaust Plate
Ref OEM Part # Part Name
- 27-812867A97 GASKET SET
1 19653T3 PLATE ASSEMBLY, Exhaust
2 21-817519A1 CHECK VALVE ASSEMBLY, Drain
3 17-23784 PIN, Dowel
4 1400-8M4501491 MOUNT, Upper
5 10-40011153 SCREW, (M8 x 45) Stainless Steel
6 10-898835001 BOLT, (M12 x 154)
7 12-32834 WASHER, Neoprene
8 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
9 11-896963 NUT, (M12)
10 10-40011158 SCREW, (M8 x 70) Stainless Steel
11 27-8M0000820 GASKET Comment: (Not Used on Jet Models)
12 23-48237 BUSHING Comment: (Not Used on Jet Models)
13 815639A9 SHIFT SHAFT Comment: (Upper)(Long/LL)(Manual)(Not Used on Jet Models)
14 812872A2 SHIFT LINK Comment: (Not Used on Jet Models)
15 23-48475 BUSHING Comment: (Not Used on Jet Models)
16 11-401386 NUT, (M6) Stainless Steel Comment: (Not Used on Jet Models)
17 32-8M0042794 TUBE, Water Comment: (Long)
18 25-93221002 GROMMET
19 8M0045214 TUBE, Exhaust
20 10-40011153 SCREW, (M8 x 45) Stainless Steel
21 812886001 SEAL
22 99019 CLAMP
23 42941001 SEAL, Water Tube Comment: (Upper)
24 10-40011155 SCREW, (M8 x 55) Stainless Steel
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 8M0025657 RETAINER
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
1 261-859234T6 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 (37 parts) Fuel Pump, Electric
Ref OEM Part # Part Name
- 852071T97 POWERHEAD ASSEMBLY
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, 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, Gsket-Pulse
13 987752 PLATE
14 22-433351 CONNECTOR, 90 Degree - With Vibraseal Comment: (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 Comment: (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)
22 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 14.25 Inch Length)
23 22-818993 CONNECTOR, Tee
24 22-8189941 CHECK VALVE
25 32-82381335 TUBING, (15.00 Inches Bulk) (Cut to 1.50 Inch Length)
26 22-816856T01 CONNECTOR ASSEMBLY, Fuel
27 10-4000332 SCREW, (M6 x 35)
28 32-9912878 HOSE, (.187) (26.00 Inches Bulk) (Cut to 4.50 Inch Length)
29 54-633003 CLAMP
30 89-819503A5 SOLENOID KIT, Enrichner Valve
31 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 8.00 Inch Length) Comment: (To Fitting on Attenuator Plate)
32 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 4.00 Inch Length)
33 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 14.00 Inch Length) Comment: (To Oil Pump Fitting)
34 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 2.00 Inch Length) Comment: (To Intake Manifold Fitting)
35 22-59169003 FITTING, Tee
36 10-4006731 SCREW, (M6 x 16)
Fuel Pump, Manual (34 parts) Fuel Pump, Manual
Ref OEM Part # Part Name
- 852071T97 POWERHEAD ASSEMBLY
1 NSS NOT SOLD SEPARATE, Fuel Pump
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 Comment: (To Crankcase)
15 10-82130050 SCREW, (M6 x 50)
16 144303 BASE
17 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) Comment: (Cut to 10.00 Inch Length)
18 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) Comment: (Cut to 14.25 Inch Length)
19 54-816311T TIE STRAP, (8.00 Inches)
20 32-830768 HOSE Comment: (To Carburetor)
21 32-9912878 HOSE, (.187) (26.00 Inches Bulk) Comment: (Cut to 4.50 Inch Length)
22 35-889527T02 FILTER ASSEMBLY, Fuel Comment: (Belgium) SN# 0Y050041 & Up
23 35-896375K01 FILTER KIT Comment: (Use with 889527T02 Fuel Filter) (Mercury Brand)
24 25-98277001 SEAL Comment: (Use with 889527T02 Fuel Filter)
25 8170281 BRACKET
26 11-401366 NUT, (M6) Stainless Steel
27 22-59169003 FITTING, Tee
28 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 9.50 Inch Length) Comment: (To Top Float Bowl)
29 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 5.50 Inch Length) Comment: (To Lower Intake Manifold)
30 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 1.50 Inch Lenght) Comment: (To Top Intake Manifold)
31 858763 PRIMER BULB
32 22-816856T01 CONNECTOR ASSEMBLY, Fuel
33 10-4000332 SCREW, (M6 x 35)
Gasket Set Componetns, Engine Overhaul (1 parts) Gasket Set Componetns, Engine Overhaul
Ref OEM Part # Part Name
- 27-822189 GASKET, Upper Water Pump, Water Pump
Gear Housing, Driveshaft 1.64:1 Gear Ratio (37 parts) Gear Housing, Driveshaft 1.64:1 Gear Ratio
Ref OEM Part # Part Name
- 26-814669A2 SEAL KIT, Gear Housing
1 1671-9760T42 GEAR HOUSING ASSEMBLY, Basic Comment: (Basic)
2 22-8M0058389 PLUG KIT, Drain (Magnetic)
3 10-79953Q04 SCREW KIT, (.375-16 x .250) Drain
4 12-191833 SEAL
5 17-8M0084244 PIN, Dowel - With Hole (.375 x .625)
6 17-43044 PIN, Dowel - Without Hole (.375 x .625)
7 22-878089 PLUG, Pipe (.0625-27)
8 31-812768 BEARING, Roller
9 818226A1 SEAL/PLATE KIT
10 NSS NOT SOLD SEPARATE, Filler Plate
11 43-813694T GEAR, Pinion (14 Teeth)
12 11-55910 NUT, (.437-20)
13 815420 SHIFT SHAFT Comment: (LL)
14 53-29641 E RING
15 23-813696A2 BUSHING ASSEMBLY
16 25-45258 O-RING, (.987 x .103)
17 26-8M0204708 SEAL, Oil
18 45-812731 DRIVESHAFT Comment: (55 Manual)
19 15-812770A1 SHIM SET
20 31-8M0166756 BEARING ASSEMBLY, Roller
21 NSS NOT SOLD SEPARATE, Cup
22 11-8128201 NUT
23 46-812966A7 BASE ASSEMBLY, Water Pump
24 25-8M0204651 O-RING, (1.859 x .139)
25 26-814669 SEAL, Oil
26 26-814670 SEAL, Oil
27 47-19453T IMPELLER
28 28-8M0032831 KEY
29 12-8M0204720 WASHER
30 46-812966A12 PUMP ASSEMBLY, Water
31 27-8M0224241 GASKET Comment: (Lower)
32 27-822189 GASKET, Upper Water Pump Comment: (Upper)
33 8M0204658 SEAL Comment: (Short/Long)
34 19700A2 FACE PLATE
35 10-8248324 SCREW, (M6 x 16)
36 760394 CAM, Shift Control
Gear Housing, Driveshaft 2.33:1 (43 parts) Gear Housing, Driveshaft 2.33:1
Ref OEM Part # Part Name
- 47-8M0100526 REPAIR KIT, Water Pump Impeller
1 1667-9011G59 GEAR HOUSING ASSEMBLY, Basic Comment: (Black)
2 17-8M0084244 PIN, Dowel - With Hole (.375 x .625) Comment: (Front)
3 43046 TUBE, Oiler
4 22-8M0058389 PLUG KIT, Drain (Magnetic)
5 12-191833 SEAL
6 17-43044 PIN, Dowel - Without Hole (.375 x .625) Comment: (Rear)
7 31640T07 TRIM TAB
8 10-825427 SCREW, (.437-14 x 1.250) Stainless Steel
9 12-451761 WASHER, (.453 x .812 x .105) Black Oxide
10 43040T1 CARRIER ASSEMBLY
11 NSS NOT SOLD SEPARATE, Needle Bearing
12 97-826134Q ANODE
13 11-401386 NUT, (M6) Stainless Steel
14 10-4000333 SCREW, (M6 x 40)
15 NSS NOT SOLD SEPARATE, Pinion Gear (12 Teeth) Comment: (Part of 43-882813A3)
16 11-35921 NUT, (.625-18)
17 850307 CAM, Shift Control
18 31-883047A1 BEARING ASSEMBLY, Tapered Roller
19 15-44492A1 SHIM SET
20 45-826737A1 DRIVESHAFT ASSEMBLY Comment: (LL)
21 42461A1 SLEEVE/RING KIT
22 NSS NOT SOLD SEPARATE, Ring Seal
23 43055A4 COVER ASSEMBLY, Water Pump
24 27-430331 GASKET
25 27-8M0214931 GASKET
26 26-43036 SEAL, Oil Comment: (Lower)
27 26-43035 SEAL, Oil Comment: (Upper)
28 27-8172771 GASKET
29 817275A2 HOUSING KIT, Upper Water Pump
30 8M0204709 FACEPLATE
31 10-82684430 SCREW, (M6 x 30)
32 826762A1 COUPLING Comment: (LL)
33 28-8M0204723 KEY
34 47-43026T2 IMPELLER
35 10-82684425 SCREW, (M6 x 25)
36 853907A1 SHIFT SHAFT ASSEMBLY Comment: (LL)
37 53-29641 E RING
38 23-43052A4 BUSHING ASSEMBLY
39 25-8M0204681 O-RING, (1.424 x .103)
40 26-8M0204708 SEAL, Oil
41 10-82684425 SCREW, (M6 x 25)
42 26-861415 FACE SEAL
Gear Housing, Propeller Shaft - 1.64:1 Gear Ratio (31 parts) Gear Housing, Propeller Shaft - 1.64:1 Gear Ratio
Ref OEM Part # Part Name
- 26-814669A2 SEAL KIT, Gear Housing
1 1671-9760T42 GEAR HOUSING ASSEMBLY, Basic Comment: (Black-Basic)
37 15-812769A1 SHIM SET
38 31-8M0103476 BEARING ASSEMBLY, Tapered Roller
39 NSS NOT SOLD SEPARATE, Cup
40 43-813693T1 GEAR, Forward (23 Teeth)
41 31-21739 BEARING, Roller
42 8129291 FOLLOWER, Cam
43 20843 SLIDE
44 24-38114 SPRING
45 52-813697T CLUTCH
46 17-8M0020942 PIN, Cross
47 24-815418 SPRING
48 44-14493 PROPELLER SHAFT
49 43-813695T GEAR, Reverse (23 Teeth)
50 30-20839T BEARING, Ball
51 8M0168900 CARRIER ASSEMBLY, Bearing
52 25-815460 O-RING
53 31-21700 BEARING, Needle
54 26-8M0205511 SEAL, Oil
55 26-8M0203757 SEAL, Oil
56 10-85594030 SCREW, (M8 x 30)
57 12-855941 WASHER, (.323 x .590 x .112) Stainless Steel
58 8227731 INSERT, Threaded
59 17264T2 TRIM TAB, Zinc
60 10-4000377 SCREW, (M10 x 30)
61 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
62 48-816704A45 PROPELLER KIT Comment: (55 Beaching)
63 73345A1 THRUST HUB
64 11-69578Q1 PROP NUT KIT
65 14-8M0214942 TAB WASHER
Gear Housing, Propeller Shaft - 2.33:1 Gear Ratio (34 parts) Gear Housing, Propeller Shaft - 2.33:1 Gear Ratio
Ref OEM Part # Part Name
- 26-43035A4 SEAL KIT, Gear Housing
1 1667-9011G59 GEAR HOUSING ASSEMBLY, Basic Comment: (Black)
2 31-30894A1 BEARING SET, Cup And Cone
3 NSS NOT SOLD SEPARATE, Cup
4 43-882813A3 GEAR KIT, Forward And Pinion 28 Teeth
5 31-30895T BEARING, Needle
6 53-856823 RING, Retaining
7 850315A1 FOLLOWER KIT, Cam
8 30-44530 BALL
9 NSS NOT SOLD SEPARATE, Slide
10 24-850327 SPRING
11 17-8M0100263 PIN, Cross
12 24-30893 SPRING
13 52-850048T CLUTCH
14 44-8M0140445 PROPELLER SHAFT
15 43-882814T GEAR, Reverse - 28 Teeth
16 8M0168901 CARRIER ASSEMBLY, Bearing
17 25-8M0214974 O-RING, (3.609 x .139)
18 31-30956T BEARING, Needle
19 26-8M0205728 SEAL, Oil Comment: (Inner)
20 26-8M0205729 SEAL, Oil Comment: (Outer)
21 31-12578T BEARING, Roller
22 12-12577 THRUST WASHER
23 31-12576 BEARING, Thrust
24 16-8M0034456 STUD, (M8 x 48)
25 12-855941 WASHER, (.323 x .590 x .112) Stainless Steel
26 11-401378 NUT, (M8)
27 15-44491A1 SHIM SET
28 8227731 INSERT, Threaded
29 NSS NOT SOLD SEPARATE, Decal
30 NSS NOT SOLD SEPARATE, Decal-Prop Operation
31 13191Q01 THRUST WASHER
32 11-52707Q1 PROP NUT KIT, (.750-16)
33 14-816629Q TAB WASHER
Induction Manifold and Reed Block (33 parts) Induction Manifold and Reed Block
Ref OEM Part # Part Name
- 852071T97 POWERHEAD ASSEMBLY
1 27-8M0000822 GASKET
2 1171-9812T9 END CAP ASSEMBLY, Lower
3 26-66301 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 27-812869 GASKET
17 10-81742730 SCREW, (M8 x 30)
18 8M0219197 REED BLOCK ASSEMBLY
19 27-812868 GASKET
20 NSS NOT SOLD SEPARATE, Dowel Pin
21 34-812880A03 REED ASSEMBLY
22 14-429821 TAB WASHER
23 812879002 RETAINER, Reed
24 10-88421471 SCREW, (M6 x 16)
25 42881A1 SHIFT RAIL ASSEMBLY
26 14-42981 TAB WASHER
27 10-40001134 SCREW, (M8 x 25)
28 988851 SLIDE
29 23-48475 BUSHING
30 11-401386 NUT, (M6) Stainless Steel
31 12-35459 WASHER
32 11-401386 NUT, (M6) Stainless Steel
Jet Components (8 parts) Jet Components
Ref OEM Part # Part Name
- 26-814669A2 SEAL KIT, Gear Housing
1 47-19453T IMPELLER
2 28-8M0032831 KEY
3 46-812966A12 PUMP ASSEMBLY, Water
4 27-822189 GASKET, Upper Water Pump Comment: (Upper)
5 8M0204658 SEAL
6 19700A2 FACE PLATE
7 10-8248324 SCREW, (M6 x 16)
Jet Pump Assembly (31 parts) Jet Pump Assembly
Ref OEM Part # Part Name
- 8M0230714 JET PUMP ASSEMBLY
1 855767T60 HOUSING, Pump
2 878377 SHIFT LINKAGE KIT
3 878382 CAM
4 878380 GATE, Reverse - With Bumper
5 32-827490 HOSE, Lube
6 16-855840 STUD, (.312-18 x 1.81)
7 11-82670910 NUT, (.312-18) Stainless Steel
8 10-848497 SCREW, (.312-18 x 1.00)
9 47-8M0230713 IMPELLER
10 80141260 HOUSING, Intake
11 8271882 LINER
12 45-85576960 DRIVESHAFT
13 12-8796521 THRUST WASHER
14 30-8796531 BEARING, Ball
15 23-8271891 SLEEVE
16 11-8271901 NUT
17 12-36001 WASHER
18 28-801405875 KEY
19 15-801404875 SHIM, Impeller
20 14-801403875 TAB WASHER
21 10-19923062 SCREW, (.250-20 x .625)
22 10-60411 SCREW, (.312-18 x 1.250)
23 801410 BRACKET, Cable Support
24 11-82670910 NUT, (.312-18) Stainless Steel
25 17-801407 PIN, Dowel
26 10-4010860 SCREW, (M10 x 60) Hex Flange - Stainless Steel
27 10-4010890 SCREW, (M10 x 90) Hex Flange - Stainless Steel
28 10-4010870 SCREW, (M10 x 70) Hex Flange - Stainless Steel
29 10-95802 SCREW, (.375-16 x 2.750) Stainless Steel
30 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
Lube Chart (1 parts) Lube Chart
Ref OEM Part # Part Name
- NOPART NO PARTS LIST
Manual Tilt Components (15 parts) Manual Tilt Components
Ref OEM Part # Part Name
- 25-893922A01 O-RING KIT
1 893942A01 SHOCK ROD ASSEMBLY Comment: (Beaching)(Use With Gold End Cap)
2 893903A01 PISTON ASSEMBLY, Trim Memory
3 25-893917A01 O-RING KIT, Cylinder
4 NSS NOT SOLD SEPARATE, O-Ring
5 893918A01 CYLINDER ASSEMBLY
6 893919A01 SCREW AND SEAL KIT
7 893920A01 ACCUMULATOR ASSEMBLY
8 893921A01 VALVE BODY ASSEMBLY
9 893923A01 CAM KIT
10 893924A01 VALVE KIT, Velocity
11 893925A01 REPAIR KIT
12 8M0207768 CABLE ASSEMBLY, Ground
13 17-19607 PIN
14 17-821539 PIN, Trilobe
Oil Injection Components (23 parts) Oil Injection Components
Ref OEM Part # Part Name
1 1263-812718T1 TANK ASSEMBLY, Oil
2 36-828765A2 CAP ASSEMBLY
3 NSS NOT SOLD SEPARATE, Tether
4 11-821285 PUSH NUT
5 8M0039080 SEAL
6 19299A1 VENT ASSEMBLY
7 21-64871 VALVE
8 25-813644002 GROMMET
9 99162001 BOOT
10 8M0039085 BOOT
11 87-12886A6 SWITCH ASSEMBLY
12 10-58376 SCREW, (.164-18 x .375)
13 12-72761 WASHER, (.203 x .562 x .060) Stainless Steel
14 818902A1 PUMP ASSEMBLY, Oil Injection
15 25-8M0204667 O-RING
16 25-36390 O-RING
17 10-40011108 SCREW, (M5 x 20) Stainless Steel
18 43-19277 GEAR, Driven
19 23-19278A2 BEARING ASSEMBLY
20 23-17597 BUSHING (Flanged)
21 23-17596 BUSHING
22 32-82381335 TUBING, (15.00 Inches Bulk) (Cut to 6.00 Inch Lengh)
23 8M0084729 LINK
Power Trim Components (28 parts) Power Trim Components
Ref OEM Part # Part Name
- 25-893914A02 O-RING KIT, Complete Trim
1 8M0118573 SHOCK ROD KIT Comment: (Big Foot)
2 8M0171822 PISTON ASSEMBLY, Memory
3 25-8M0171819 O-RING KIT, Rebuild
4 NSS NOT SOLD SEPARATE, O-Ring
5 893904T01 CYLINDER ASSEMBLY
6 893944A01 VALVE KIT, Trim Limit Comment: (Big Foot)
7 893906A02 PUMP ASSEMBLY
8 893907A02 MOTOR KIT
9 22-8134351 PLUG
10 893929A01 MANUAL RELEASE ASSEMBLY
11 893909A02 MANIFOLD KIT
12 10-809876A1 SCREW KIT, Motor
13 809877A1 DRIVESHAFT/SEAL KIT
14 35-893912A02 FILTER KIT
15 893913A02 POPPET KIT
16 88238A18 CABLE ASSEMBLY
17 17-821539 PIN, Trilobe
18 17-19607 PIN
19 17-822869001 PIN
20 831276T BRACKET
21 84-826802A12 HARNESS ASSEMBLY
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-Trim Relay
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 8167652 REST
4 8M0043161 SEAL
5 10-82170475 SCREW, (M6 x 75)
6 23-821702 SPACER
7 23-816086 BUSHING
8 25-815795 GROMMET
9 12-69057 WASHER, (.281 x .734 x .063)
10 11-401366 NUT, (M6) Stainless Steel
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, Decal-Timing
36 NSS NOT SOLD SEPARATE, Decal-Full Throttle Timing
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
Steerig Handle Kit (56 parts) Steerig Handle Kit
Ref OEM Part # Part Name
- 816366A48 STEERING HANDLE KIT
NS 8949112 KEY, Ignition (2F)
1 816366T3 BRACKET
2 NSS NOT SOLD SEPARATE, Decal-Shift
3 16-815802 STUD, (M10 x 150 x 58)
4 14-815806 TAB WASHER
5 11-40125100 NUT, (M10)
6 84-815851A2 HARNESS ASSEMBLY, Stop Comment: (Manual)
7 84-821028A2 CABLE ASSEMBLY Comment: (Manual)
8 815803 PLUG Comment: (Manual)
9 121051 GROMMET
10 8158041 COVER
11 10-878608 SCREW, (#10-16 x .500)
12 816051A2 HORN ASSEMBLY
13 19-889730 PLUG Comment: (Manual)
14 87-11083A4 SWITCH ASSEMBLY, Stop Comment: (Power Trim)
15 15920Q54 LANYARD ASSEMBLY Comment: (Power Trim)
16 8M0032846 RETAINER, Brass
17 84-11149A3 CABLE ASSEMBLY
18 16-8M0034440 STUD, (M10 x 2.12)
19 11-400636 NUT
20 12-823933 WASHER, (.405 x .760 x .060) Delrin
21 816367F5 LEVER
22 10-4000357 SCREW, (M8 x 45)
23 14-8158051 TAB WASHER
24 23-8159831 BUSHING
25 12-824610 WASHER, Plastic
26 12-823970 WASHER
27 12-814803 WASHER
28 495636 SHIFT ROD
29 11-64015 NUT, (.250-20)
30 48419T ROD END
31 23-26856 BUSHING
32 12-35950 WASHER, (.273 x .437 x .031) Stainless Steel
33 18-25191 COTTER PIN
34 12016A2 DETENT/SPRING KIT
35 NSS NOT SOLD SEPARATE, Spring
36 16-8M0034452 STUD, (.375-24 x 1.125)
37 98530 KNOB
38 816416A3 LEVER KIT
39 NSS NOT SOLD SEPARATE, Brake
40 816564 DRIVER
41 12-816576 WASHER
42 8165621 DISC
43 8164131 ARM (TOP)
44 8164141 ARM (BOTTOM)
45 84-12649A5 HARNESS ASSEMBLY
46 87-88107A5 SWITCH KIT, Key Comment: (For Key -Reference Key List)
47 11-879755 NUT, Special - Black Nylon Comment: (Black Nylon)
48 NSS NOT SOLD SEPARATE, Decal-Trim Comment: (Power Trim)
49 87-14645A4 TRIM SWITCH Comment: (Power Trim)
50 49440 NUT, (.468-32) Comment: (Power Trim)
51 87-8M0052927 SWITCH Comment: (Power Trim)
52 10-12110 SCREW, (#6-32 x .750) Comment: (Power Trim)
53 54-648552 CLIP
54 10-878608 SCREW, (#10-16 x .500)
Steering Handle (37 parts) Steering Handle
Ref OEM Part # Part Name
- 12019A1 CABLE KIT, Throttle
1 12020A3 HANDLE ASSEMBLY, Steering Arm Comment: (Black)
2 23-42992T02 BUSHING
3 22-8M0169589 FITTING, Grease
4 48414 HOUSING
5 48519 PLATE
6 27-48518 GASKET
7 10-878609 SCREW, (#10-16 x .600)
8 54-889729 CLAMP
9 10-40007112 SCREW, (M5 x 40)
10 10-32,11-816874 WING NUT,
11 87-823609A15 SWITCH KIT, Stop - Throttle Handle
12 87-8M0104612 SWITCH ASSEMBLY, Stop
13 54-648551 CLAMP
14 NSS NOT SOLD SEPARATE, Insulator
15 NSS NOT SOLD SEPARATE, Decal-Throttle
16 10-62568 SCREW, (#10-16 x .375)
17 8M0221732 GRIP
18 54-648552 CLIP
19 8885242 CONDUIT
20 8M0026078 GUIDE TUBE
21 89578 BARREL
22 10-32,10-824081 SET SCREW,
23 12019 CABLE ASSEMBLY
24 8M0204660 GUIDE
25 20007 ANCHOR
26 8-32,10-8M0204644 SET SCREW,
27 10-823567105 SCREW, (M10 x 105) Hex Flange - Stainless Steel
28 48416 CAP
29 12-4002319 WASHER
30 12-12024 WASHER, (.402 x .787 x .039 Bellevi)
31 23-146011 SPACER
32 12018A4 TUBE ASSEMBLY, Throttle
33 NSS NOT SOLD SEPARATE, Roll Pin
34 NSS NOT SOLD SEPARATE, Drive Wheel
35 54-816311T TIE STRAP, (8.00 Inches)
36 11-40140 NUT, (M10)
Swivel Bracket (24 parts) Swivel Bracket
Ref OEM Part # Part Name
1 3417-822863A1 SWIVEL BRACKET Comment: (Black-Long)
2 23-821124 BEARING
3 26-32911 SEAL, Oil
4 23-19606 BEARING
5 22-8M0169589 FITTING, Grease
6 12-52865 WASHER
7 19654T1 YOKE, Bottom Comment: (Black)
8 53-77415 RETAINING RING
9 17-812896A22 SWIVEL PIN ASSEMBLY Comment: (Black-Long)
10 17-8219872 PIN, Co-Pilot
11 10-4000377 SCREW, (M10 x 30) Comment: (Electric)
12 8M0184092 BRACKET Comment: (Electric)
13 14-8M0009820 TAB WASHER Comment: (Electric)
14 19608A14 ATTACHING KIT, Engine Steering Comment: (Electric)
15 10-823919 SCREW, (.375-24 x 1.500) Comment: (Electric)
16 12-8M0109680 WASHER, (.390 x .546 x .12) Comment: (Electric)
17 11-8M0204726 NUT, (.375-24) Stainless Steel Comment: (Electric)
18 12-37828 WASHER, (.390 x .625 x .062) Stainless Steel Comment: (Electric)
19 11-8M0204726 NUT, (.375-24) Brass Comment: (Electric)
20 12-52865 WASHER
21 17-823876 PIN, Handle
22 88238A10 CABLE ASSEMBLY, Ground
23 10-41508 SCREW, (.250-20 x .500) Stainless Steel
24 NSS NOT SOLD SEPARATE, Decal-Serialization
Throttle Lever and Linkage (29 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
6 11-401386 NUT, (M6) Stainless Steel
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
25 828160A2 CAM ASSEMBLY, Throttle
26 878174 ROD, Throttle
27 12-65567 WASHER, (.265 x .750 x .048) Stainless Steel
28 11-401386 NUT, (M6) Stainless Steel
29 12-828494 WASHER
Tools, Special (1 parts) Tools, Special
Ref OEM Part # Part Name
- 91-37241 PULLER PLATE, Universal Comment: (Gear Housing)
Transom Bracket(Electric) (40 parts) Transom Bracket(Electric)
Ref OEM Part # Part Name
1 3418-822866T04 BRACKET ASSEMBLY, Transom Comment: (Black-Port)
2 22-8M0169588 FITTING, Grease
3 17-99604 PIN, Groove
4 3418-822865T05 BRACKET, Transom Comment: (Black-Starboard)
5 893704T01 LEVER ASSEMBLY, Tilt Lock Comment: (Black)
6 24-99622 SPRING
7 23-65830 NYLINER
8 24-812708 SPRING
9 812709 KNOB Comment: (Black)
10 17-99615 PIN, Groove
11 12-19619 WASHER
12 18486A08 BRACKET KIT, Anchor (Black) Comment: SN# 0P413371 & Up
13 97-818298Q1 ANODE KIT
14 10-8M0204707 SCREW, (M6 x 25)
15 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
16 10-85594030 SCREW, (M8 x 30)
17 10-8M0000586 SCREW, (M8 x 35)
18 12-843108 WASHER, (.330 x .560 x .060) Stainless Steel
19 11-401388 NUT, (M8) Stainless Steel
20 17-8M0026068 PIN ASSEMBLY, Tilt Lock Comment: (Non Power Trim)
21 24-821461 SPRING Comment: (Non Power Trim)
22 8M0041938 TILT TUBE
23 11-858869 NUT, (.875-14)
24 10-814259 SCREW, (.500-20 x 4.00)
25 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
26 11-82671117 NUT, (.500-20)
27 8M0084737 LINK Comment: (Non Power Trim)
28 19615A05 LEVER ASSEMBLY, Tilt Comment: (Non Power Trim)
29 23-812707 BUSHING Comment: (Non Power Trim)
30 12-8M0042643 WASHER, (.520 x .850 x .060) Nylon - Black Comment: (Non Power Trim)
31 13-99611 WAVE WASHER Comment: (Non Power Trim)
32 8M0007469 TILT KNOB Comment: (Non Power Trim)
33 10-19611 SCREW, (.375-16 x .62) Comment: (Non Power Trim)
34 37-830253 DECAL, Tilt Lock Comment: (Non Power Trim)
35 19624A1 SEAL KIT
36 25-29619 O-RING, (.583 x .103)
37 23-78861 SPACER
38 54-22740 CLIP Comment: (Power Trim)
39 8M0084613 C WASHER Comment: (Power Trim)
40 10-878608 SCREW, (#10-16 x .500) Comment: (Power Trim)

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 55 (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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