Mercury 75 (4-STROKE)(BODENSEE) (0T801000 THRU 1B226999) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 75 (4-STROKE)(BODENSEE). Scroll down for exploded parts diagrams (31), specifications, and maintenance reference.

Mercury 75 (4-STROKE)(BODENSEE) (0T801000 THRU 1B226999) Parts & Diagrams

🔎 Mercury 75 (4-STROKE)(BODENSEE) Reference Library — Exploded parts diagrams (31 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 75 (4-STROKE)(BODENSEE) is a 4-Stroke, Inline 4-Cylinder, EFI, SOHC outboard motor. Suited for bay boats, pontoons, and center-console fishing boats requiring reliable mid-range power.

Quick Reference Specifications

Specification Value
Engine Type 4-Stroke, Inline 4-Cylinder, EFI, SOHC
Horsepower 75 HP
Displacement 2100 cc
Bore x Stroke 90 mm x 81 mm
Spark Plug (Type & Gap) NGK IZFR6F-11
Engine Oil Capacity 5.2 L (5.5 quart)
Recommended Engine Oil Mercury FourStroke Oil 10W-30
Gear Case Oil Capacity 710 mL (24 fl oz)
Idle Speed (in gear) 650 ± 50 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 75 (4-STROKE)(BODENSEE):

  • 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 75 (4-STROKE)(BODENSEE).

Accessories (1 parts) Accessories
Ref OEM Part # Part Name
0 92876A9 EXTENSION KIT, Dual Engine Comment: (DUAL)
Bottom Cowl (28 parts) Bottom Cowl
Ref OEM Part # Part Name
1 100-878587A1 BOTTOM COWL ASSEMBLY Comment: (PORT)
2 100-8M0113913 BOTTOM COWL ASSEMBLY Comment: (STARBOARD)
3 8M0109217 SEAL, Cowl (41.00 Inches)
4 878547T INSERT
5 10-82130040 SCREW, (M6 x 40)
6 831209 RETAINER
7 858742 BOOT, Idle Exhaust
8 8M0039078 GROMMET
9 22-827948 FITTING
10 12-855576 WASHER
11 54-816311T TIE STRAP, (8.00 Inches)
12 32-8M0108355 HOSE, (57.00 Inches Bulk) (Cut to 5 IN.)
13 32-8M0108355 HOSE, (57.00 Inches Bulk) (Cut to 11 IN.)
14 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 26 IN.)
15 22-817518 TEE
16 10-82130020 SCREW, (M6 x 20)
17 25-889724 GROMMET
18 87-8M0042301 SWITCH ASSEMBLY
19 889740A02 HANDLE KIT, Cowl Latch Comment: PLASTIC HANDLE
20 10-824868 SCREW, (M6 x 75) Comment: CAST HANDLE
21 23-33589 BUSHING
22 25-48462 O-RING, (.614 x .070)
23 8219423 PAWL, Front Handle
24 12-69057 WASHER, (.281 x .734 x .063)
25 11-401366 NUT, (M6) Stainless Steel
26 13541 PLUG, Male
27 19-824928001 PLUG, Rubber
28 54-888441 CLAMP, Oetiker (12.8 mm)
Carburetor (47 parts) Carburetor
Ref OEM Part # Part Name
- 804346T02 REPAIR KIT, Carburetor Comment: (1 Per Carburetor)
1 3319-804708T1 CARBURETOR Comment: (1/3)(75)
2 3319-804708T2 CARBURETOR Comment: (2)(75)
3 3319-804168A7 CARBURETOR Comment: (4)(75 BODENSEE)
4 10-83509M SCREW, (M4 x 10)
5 804171 PLATE
6 25-804172 O-RING
7 35-804195 FILTER ELEMENT
8 10-804176 SCREW Comment: (1/2/3)
9 24-804177 SPRING Comment: (1/2/3)
10 24-804170 SPRING
11 25-804181 O-RING
12 10-804169 SCREW, Pilot
13 19-8M0080454 PLUG
14 804188 PRIMER, Starter Comment: (1/3)
15 10-804192 SCREW, (M4 x 10) Comment: (1/3)
16 804189 LEVER PLATE, Starter Comment: (1/3)
17 804187 HOUSING, Starter Comment: (1/3)(75)
18 10-804190 SCREW, (M5 x 16) Comment: (1/3)
19 25-804191 O-RING Comment: (1/3)
20 25-80419130 O-RING Comment: (1/3)
21 25-80419120 O-RING Comment: (1/3)
22 25-80419110 O-RING Comment: (1/3)
23 24-804178 SPRING Comment: (1/2/3)
24 25-97070M O-RING
25 17050M NEEDLE VALVE SET
26 53-895237 CIR-CLIP Comment: (90)
27 17-92639M PIN, Float
28 42,804173 JET, Pilot
29 22-8M0080455 CAP
30 8041741 MAIN NOZZLE Comment: (75 HP)
31 128,804175 JET, Main Comment: (75 HP)
32 804184 FLOAT
33 17-804185 PIN, Float Arm
34 10-82500M SCREW, (M4 x 8)
35 27-804183 GASKET
36 804182 FLOAT BOWL Comment: (1/3)
37 10-11796M SCREW, (M4 x 14)
38 10-81293M SCREW, Drain
39 25-94498M O-RING
40 8041821 FLOAT BOWL Comment: (2/4)
41 10-804179 SCREW Comment: (4)
42 24-82080M SPRING Comment: (4)
43 19233M COLLAR Comment: (4)
44 23-804180 BUSHING Comment: (4)
45 804193 DIAPHRAGM Comment: (4)
46 10-804194 SCREW, (M6 x 14) Comment: (4)
Crankshaft (13 parts) Crankshaft
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 2406-804098T CRANKSHAFT
2 26-8040992 SEAL, Oil
3 26-8041002 SEAL, Oil
4 31-804101T20 BEARING Comment: (RED)
5 31-804102T30 BEARING Comment: (RED)
6 31-804103T20 BEARING Comment: (RED)
7 2715-880895T03 PISTON ASSEMBLY Comment: (.25MM O/S)
8 10-804105 BOLT
9 31-804106T31 BEARING Comment: (RED)
10 39-880898T02 RING SET, Piston Comment: (.25MM O/S)
11 28-804153 KEY
12 28-8261001 KEY
Cylinder Block and Crankcase (38 parts) Cylinder Block and Crankcase
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 892-804071T3 CYLINDER BLOCK
2 17-82364M PIN, Dowel
3 27-858732002 GASKET
4 10-8M0101617 BOLT, (M8 x 55)
5 10-804072 BOLT, (M10 x 135)
6 25-855690 GROMMET
7 19-825953 PLUG, (M14 x 12)
8 27-81990M GASKET
9 10-804097 BOLT
10 35-8M0162830 FILTER, Oil
11 881600 CAP, Rubber
12 32-804078 HOSE
13 54-816311T TIE STRAP, (8.00 Inches)
14 NSS NOT SOLD SEPARATE, Anode Comment: Order Cover
15 25-804086 GROMMET
16 804085 COVER
17 10-827207 BOLT, (M8 x 25)
18 10-8524741 BOLT, (M6 x 20)
19 10-881428 BOLT, (M6 x 16)
20 804083001 COVER
21 27-804084 GASKET
22 24-804081 SPRING
23 804080001 VALVE, Pressure Control
24 25-804082 GROMMET
25 10-881427 BOLT, (M6 x 30)
26 804075T02 COVER, Outer Exhaust
27 27-804076003 GASKET
28 54-804089 CLIP
29 32-804088 HOSE
30 54-816311T TIE STRAP, (8.00 Inches)
31 804073 LIFTING EYE
32 804149 PLATE, Valve
33 10-8257021 BOLT, (M6 x 20)
34 16-8587331 STUD
35 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
36 11-40140 NUT, (M10)
37 10-81893435 SCREW, (M8 x 35)
Cylinder Head (33 parts) Cylinder Head
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 8M0057170 CYLINDER HEAD
2 17-804110 PIN, Guide
3 19-804111 PLUG
4 10-804112 BOLT, (M7 x 48)
5 17-804113 PIN, Dowel
6 10-804114 BOLT, (M7 x 37)
7 10-8248326 SCREW, (M6 x 25 MM)
8 8041271 THERMOSTAT COVER
9 8556761 THERMOSTAT, 60°C (140°F)
10 10-881311 BOLT, (M10 x 145)
11 33-859495Q SPARK PLUG, (NGK-LFR5A-11)
12 10-827207 BOLT, (M8 x 25)
13 10-8524741 BOLT, (M6 x 20)
14 804085 COVER
15 25-804086 GROMMET
16 NSS NOT SOLD SEPARATE, Anode Comment: Order Cover
17 23-8M0070515 COLLAR
18 27-8041151 GASKET
19 10-83124714 BOLT
20 12-831246 WASHER, Sealing
21 10-881312 BOLT, (M8 x 55)
22 27-804123 GASKET
23 881313T1 COVER KIT
24 804119 COVER, Breather
25 10-804120 SCREW, (M4 x 8)
26 10-858530 BOLT, (M6 x 30)
27 859578A1 PLUG ASSEMBLY, Oil
28 NSS NOT SOLD SEPARATE, O Ring
29 25-855690 GROMMET
30 858752001 COVER Comment: SN# 1B147078 & Up
31 10-1993716 SCREW, (M6 x 16)
32 NSS NOT SOLD SEPARATE, Decal Comment: (BODENSEE)
Driveshaft Housing (24 parts) Driveshaft Housing
Ref OEM Part # Part Name
1 1507-858576T2 HOUSING ASSEMBLY, Driveshaft
2 16-9035015 STUD, (M10 x 227) Comment: (X-LONG)
3 16-8M0034462 STUD, (M10 x 190) Comment: (X-LONG)
4 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
5 11-40140 NUT, (M10)
6 22-85822A15 PICKUP ASSEMBLY, Speedometer
7 22-433351 CONNECTOR, 90 Degree (.125-27) Nylon
8 22-85822T CONNECTOR, Straight
9 44343T1 MOUNT
10 10-898835001 BOLT, (M12 x 154)
11 12-30119 WASHER, (.875 Inch Outside Diameter)
12 11-8M0204662 NUT, (M12)
13 88238A10 CABLE ASSEMBLY, Ground, To Swivel Bracket
14 10-41508 SCREW, (.250-20 x .500) Stainless Steel
15 858916T CLAMP
16 10-4010725 SCREW, (M8 x 25)
17 8M0142713 CAP
18 23-859550 BUSHING
19 17-24873 PIN, Alignment
20 22-855622 FITTING
21 12092A3 SPACER KIT Comment: (X-LONG)
22 17-43044 PIN, Dowel - Without Hole (.375 x .625) Comment: (X-LONG)
23 23-813745 SPACER Comment: (X-LONG)
24 54-816311T TIE STRAP, (8.00 Inches)
Electrical Components (43 parts) Electrical Components
Ref OEM Part # Part Name
NS 8M0026570 TACH MODULE
1 804288T COVER
2 37-881865 DECAL, Caution-Start in Gear Comment: (Start In Gear)
3 37-8272822 DECAL, Warning, High Voltage
4 804289 PULLER, Fuse
5 84-8042903 HARNESS ASSEMBLY
6 88-832969T20 FUSE, 20 Ampere
7 88-8M0057159 FUSE, 30 Ampere
8 891824 COVER, Fuse - Black
9 804287T BRACKET
10 10-811188T BOLT, (M6 x 16)
11 804286T BRACKET, Relay
12 10-811188T BOLT, (M6 x 16)
13 8M0010250 BRACKET
14 825096T01 RELAY
15 12-827205 WASHER
16 11-827204 NUT, (M6)
17 85-826574 BOOT
18 804281T RELAY
19 12-827205 WASHER
20 11-827204 NUT, (M6)
21 85-804284001 BOOT
22 804282T RELAY
23 84-804285 CABLE
24 84-804283 CABLE
25 12-827205 WASHER
26 11-827204 NUT, (M6)
27 84-858740T4 HARNESS ASSEMBLY
28 92753 RETAINER
29 10-84058M BOLT, (M6 x 20)
30 13-82212M LOCKWASHER
31 12-82214M WASHER
32 804292 PLATE
33 10-804602 BOLT, (M6 x 12)
34 84-88439A33 CABLE ASSEMBLY, Positive - Battery
35 84-88439A4 CABLE ASSEMBLY, Battery - Negative
36 11-401388 NUT, (M8) Stainless Steel
37 10-81893412 SCREW, (M8 x 12)
38 859249T1 CONNECTOR
39 84-858723T1 HARNESS ASSEMBLY, Adaptor/Trim
40 84-858914T1 HARNESS ASSEMBLY, Trim Motor Adaptor
41 11-401386 NUT, (M6) Stainless Steel
42 54-816311T TIE STRAP, (8.00 Inches)
Exhaust Plate (34 parts) Exhaust Plate
Ref OEM Part # Part Name
1 897580A05 ADAPTOR PLATE ASSEMBLY
2 17-23784 PIN, Dowel
3 22-291112 FITTING
4 21-817519A2 CHECK VALVE ASSEMBLY, Drain
5 25-19565002 GROMMET Comment: SN# 0T943820 & Up
6 27-8585831 GASKET
7 858572T01 SUMP, Oil
8 858584A1 TUBE ASSEMBLY, Exhaust
9 25-881295 O-RING
10 25-89417004 GROMMET Comment: SN# 0T928617 & Up
11 32-8M0026129 TUBE, Water Comment: (X-LONG)
12 814080001 SEAL (UPPER)
13 858571T TUBE, Oil Pick Up
14 25-859082 O-RING
15 10-8M0204741 SCREW, (M6 x 20) Stainless Steel
16 10-8M0214957 SCREW, (M6 x 30)
17 8M0039073 SEAL
18 8288181 PLUG, Drain
19 27-8M0204692 GASKET
20 10-82483213 SCREW, (M6 x 60)
21 8596021 DIPSTICK
22 10-4010750 SCREW, (M8 x 50)
23 22-479452 PLUG
24 22-889567 PLUG, (.500-14)
25 23-27132 BUSHING
26 888835A1 SHIFT SHAFT
27 888840 SHIFT LINK
28 888917 ROLLER
29 23-891658 BUSHING
30 888823001 SHIFT DETENT ASSEMBLY
31 18-82053M PIN, Hair
32 12-888832 WASHER
33 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel
34 18-26953 COTTER PIN
Flywheel (22 parts) Flywheel
Ref OEM Part # Part Name
- 804070T05 POWERHEAD ASSEMBLY
1 881343T1 FLYWHEEL COVER
2 NSS NOT SOLD SEPARATE, DECAL-Warning-Spinning Flywheel
3 NSS NOT SOLD SEPARATE, DECAL-Servicing Referral
4 NSS NOT SOLD SEPARATE, DECAL-Engine Oil/Valve
5 37-804656A05 DECAL, EPA Label Information Comment: (2005)
6 NSS NOT SOLD SEPARATE, DECAL-Emergency
7 10-804348 BOLT, (M6 x 20)
8 825665 COLLAR
9 25-11416T GROMMET
10 11-804265A1 NUT/WASHER KIT, Hex (36 mm)
11 12-8042641 WASHER, Plate
12 280-804261T FLYWHEEL
13 NSS NOT SOLD SEPARATE, DECAL-Warning Neutral
14 398-804262T STATOR KIT
15 17-825010 PIN, Dowel
16 10-804124 BOLT
17 13-82212M LOCKWASHER
18 12-82214M WASHER
19 10-804267 SCREW
20 804266001 TIMING PLATE
21 804263 ROTOR
Fuel Pump (39 parts) Fuel Pump
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 880890T1 PUMP, Fuel
2 NSS NOT SOLD SEPARATE, Body
3 24-881544 SPRING
4 881545 PLUNGER
5 24-881546 SPRING
6 881547 DIAPHRAGM
7 17-881548 PIN
8 NSS NOT SOLD SEPARATE, Body
9 NSS NOT SOLD SEPARATE, Diaphragm
10 NSS NOT SOLD SEPARATE, Body
11 10-881550 SCREW
12 11-881333 NUT
13 25-8M0050719 O-RING
14 56762 TIE STRAP, (4.00 Inches)
15 10-804256 BOLT, (M6 x 30)
16 32-881543002 HOSE
17 881542 BRACKET
18 10-826957M BOLT
19 11-82382M NUT
20 35-881538T02 FILTER ASSEMBLY
21 35-8M0168897 ELEMENT
22 25-826966T O-RING
23 881541 FLOAT
24 881539 CUP
25 56762 TIE STRAP, (4.00 Inches)
26 804260 BRACKET
27 10-804112 BOLT, (M7 x 48)
28 17-804113 PIN, Dowel
29 12-84292M WASHER
30 804257 LEVER, Fuel Change
31 881334 SHAFT
32 17-82738M PIN
33 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 55 IN.)
34 54-816311T TIE STRAP, (8.00 Inches)
35 22-822769 CONNECTOR
36 NSS NOT SOLD SEPARATE, Cap
37 32-828547T1 CONDUIT, (.500 Inside Diameter x 3.00 Feet Bulk)
38 12-82214M WASHER
Fuel and Vent Lines (29 parts) Fuel and Vent Lines
Ref OEM Part # Part Name
1 804230 ROD, Choke
2 54-816311T TIE STRAP, (8.00 Inches)
3 32-804236 HOSE
4 84-804197 HARNESS ASSEMBLY
5 21-804198 CHECK VALVE
6 32-804229 HOSE
7 22-804231 CONNECTOR
8 32-804229 HOSE
9 54-8M0099240 CLIP
10 32-804237 HOSE
11 32-804236 HOSE
12 32-804236 HOSE
13 54-804239 CLAMP
14 54-8556961 CLAMP
15 10-804602 BOLT, (M6 x 12)
16 22-97083M TEE FITTING
17 32-804236 HOSE
18 32-885197 HOSE
19 32-885198 PIPE
20 32-804229 HOSE
21 32-804229 HOSE
22 32-804229 HOSE
23 32-804229 HOSE
24 32-804229 HOSE
25 32-9912688 TUBING, (36.00 Inches Bulk) (Cut to 1-3/4 IN.)
26 22-875268 TEE FITTING
27 54-816311T TIE STRAP, (8.00 Inches)
28 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk) (Cut to 22 IN.)
29 32-8752481 TUBE, Carburetor Vent
Gear Housing(Driveshaft)(2.33:1 Gear Ratio) (44 parts) Gear Housing(Driveshaft)(2.33:1 Gear Ratio)
Ref OEM Part # Part Name
- 31-803496T2 BEARING/SEAL KIT Comment: (Without Forward Bearing)
0 1600-888845T04 GEAR HOUSING ASSEMBLY, Complete (4.25 Inch/107.95 mm Torpedo Diameter) Comment: (X-Long)
1 1600-888845T GEAR HOUSING ASSEMBLY, Basic (Basic)
2 17-8M0084244 PIN, Dowel - With Hole (.375 x .625) (Front)
3 43046 TUBE, Oiler
4 10-79953Q04 SCREW KIT, (.375-16 x .250) Drain
5 12-191833 SEAL
6 17-43044 PIN, Dowel - Without Hole (.375 x .625) (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 31-883047A1 BEARING ASSEMBLY, Tapered Roller
18 15-44492A1 SHIM SET
19 45-878575T1 DRIVESHAFT ASSEMBLY Comment: (X-Long)
20 42461A1 SLEEVE/RING KIT
21 NSS NOT SOLD SEPARATE, Seal Ring
22 43055A4 COVER ASSEMBLY, Water Pump
23 27-430331 GASKET
24 27-8M0214931 GASKET
25 26-43036 SEAL, Oil (Lower)
26 26-43035 SEAL, Oil (Upper)
27 27-8172771 GASKET
28 817275A2 HOUSING KIT, Upper Water Pump
29 8M0204709 FACEPLATE
30 10-82684430 SCREW, (M6 x 30)
31 430232 SEAL
32 28-8M0204723 KEY
33 47-43026T2 IMPELLER
34 10-82684425 SCREW, (M6 x 25)
35 26-861415 FACE SEAL
36 884565A00 SHIFT SHAFT ASSEMBLY Comment: (X-Long)
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 23-891637 BUSHING
Gear Housing, Propeller Shaft - 2.33:1 Gear Ratio (33 parts) Gear Housing, Propeller Shaft - 2.33:1 Gear Ratio
Ref OEM Part # Part Name
- 31-803496T2 BEARING/SEAL KIT Comment: (Without Forward Bearing)
0 1600-888845T04 GEAR HOUSING ASSEMBLY, Complete (4.25 Inch/107.95 mm Torpedo Diameter) Comment: (X-Long)
1 1600-888845T GEAR HOUSING ASSEMBLY, Basic (Basic)
2 8227731 INSERT, Threaded
3 888807 FOLLOWER ASSEMBLY, Cam
4 8M4504018 SHIFT CAM Comment: SN# 0T828794 & Up
5 888806 ROD, Clutch Actuator
6 17-8M0084243 PIN, Cross
7 17-8M0084245 PIN, Spring Locator
8 24-79910 SPRING
9 12-78910 WASHER
10 15-44491A1 SHIM SET
11 31-30894A1 BEARING SET, Cup And Cone
12 NSS NOT SOLD SEPARATE, Cup
13 43-882813A3 GEAR KIT, Forward And Pinion 28 Teeth
14 31-30895T BEARING, Needle
15 53-856823 RING, Retaining
16 52-888805T CLUTCH
17 44-8M0140444 PROPELLER SHAFT
18 24-30893 SPRING
19 43-889990T GEAR, Reverse (28 Teeth)
20 8M0168901 CARRIER ASSEMBLY, Bearing
21 25-8M0214974 O-RING, (3.609 x .139)
22 31-30956T BEARING, Needle
23 26-8M0205728 SEAL, Oil (INNER)
24 26-8M0205729 SEAL, Oil (OUTER)
25 31-12578T BEARING, Roller
26 12-12577 THRUST WASHER
27 31-12576 BEARING, Thrust
28 16-8M0034456 STUD, (M8 x 48)
29 12-855941 WASHER, (.323 x .590 x .112) Stainless Steel
30 11-401378 NUT, (M8)
31 NSS NOT SOLD SEPARATE, Decal-G/H Pinion Ident.
Ignition Components (20 parts) Ignition Components
Ref OEM Part # Part Name
NS NSS NOT SOLD SEPARATE, CLAMP
1 804278T11 RECTIFIER/REGULATOR Comment: (Design I)
2 804279 COVER
3 10-853536 BOLT, (M6 x 25)
4 10-804604 BOLT, (M6 x 20)
5 804269T2 CDI UNIT
6 10-804270 BOLT, (M6 x 28)
7 25-881304 GROMMET
8 23-804344003 BUSHING
9 339-804271T COIL, Ignition
10 10-804603 BOLT, (M6 x 30)
11 54-83577M CLAMP
12 10-804602 BOLT, (M6 x 12)
13 10-804604 BOLT, (M6 x 20)
14 84-804272A1 CABLE SET, Hi Tension
15 54-804276 CLAMP
16 54-804277 CLAMP
17 804278A12 RECTIFIER/REGULATOR Comment: (Design II)
18 84-8042903 HARNESS ASSEMBLY
19 804278T12 REGULATOR
Intake (24 parts) Intake
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 804164T SILENCER, Intake
2 10-804167 BOLT, M8 x 60
3 10-804165 BOLT, (M6 x 16)
4 804154 PLATE
5 25-84054M O-RING
6 25-804166 O-RING
7 10-804155 BOLT, (M6 x 115)
8 804157 INSULATOR
9 26-804156 SEAL
10 804158T MANIFOLD
11 17-804160 PIN
12 27-804161 GASKET
13 10-804159 BOLT, (M8 x 35)
14 10-84088M SCREW, (M6 x 10)
15 27-827610 GASKET
16 32-804162 BREATHER PIPE
17 54-816311T TIE STRAP, (8.00 Inches)
18 54-804163 CLAMP
19 10-804602 BOLT, (M6 x 12)
20 54-804089 CLIP
21 892849 INDUCTION SILENCER Comment: SN# 0T980000 & Up
22 881268 BRACKET
23 10-8M0204741 SCREW, (M6 x 20) Stainless Steel
Intake/Exhaust Valves (24 parts) Intake/Exhaust Valves
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 804128T VALVE, Intake
2 804129T VALVE, Exhaust
3 804130 SEAT
4 26-804136 SEAL
5 26-804137 SEAL
6 24-804131 SPRING, Valve
7 804132 RETAINER
8 28-804135 COTTER VALVE
9 804138T LIFTER, Valve
10 15-80460880 SHIM Comment: (2.975)
11 2407-804139T01 CAMSHAFT
12 17-804141 PIN, Dowel
13 2407-8M0057172 CAMSHAFT
14 26-804144001 SEAL, Oil
15 43-804142T GEAR, Driven
16 10-804143001 BOLT, (M10 x 35)
17 57-804145 V BELT
18 804146 TENSIONER
19 24-804147 SPRING
20 32-804148 HOSE
21 10-804150 BOLT, (M10 x 45)
22 11-881314003 NUT, (M40)
23 43-804151T01 GEAR, Drive
Oil Pump (20 parts) Oil Pump
Ref OEM Part # Part Name
1 25-62705001 O-RING
2 17-41275M PIN, Dowel
3 881900T03 MOUNT
4 10-898487 BOLT, (M12 x 175)
5 12-32834 WASHER, Neoprene
6 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
7 11-896963 NUT, (M12)
8 10-4010750 SCREW, (M8 x 50)
9 858579T3 PUMP, Oil
10 10-8M0052670 BOLT, (M6 x 45)
11 26-804349 SEAL
12 888834T01 BRACKET ASSEMBLY, Shift Linkage
13 10-42975 DRIVE SCREW
14 10-82130020 SCREW, (M6 x 20)
15 889530 CUP, Barrel Retainer (LARGE)
16 98889 LATCH
17 824015 CUP, Barrel Retainer, Barrel Retainer (SMALL)
18 889529 LATCH
19 8M0043168 SEAL
20 17-23784 PIN, Dowel
Power Trim Components (19 parts) Power Trim Components
Ref OEM Part # Part Name
- 25-893914A02 O-RING KIT (COMPLETE TRIM)
1 8M0171821 SHOCK ROD KIT
2 25-8M0171819 O-RING KIT, Rebuild
3 8M0171822 PISTON ASSEMBLY, Memory
4 893916A01 CYLINDER ASSEMBLY
5 893905A02 VALVE KIT, Trim Limit
6 893906A02 PUMP ASSEMBLY
7 893907A02 MOTOR KIT
8 22-8134351 PLUG
9 893929A01 MANUAL RELEASE ASSEMBLY
10 893909A02 MANIFOLD KIT
11 10-809876A1 SCREW KIT (MOTOR)
12 88238A18 CABLE ASSEMBLY
13 809877A1 DRIVESHAFT/SEAL KIT
14 35-893912A02 FILTER KIT
15 893913A02 POPPET KIT
16 17-821539 PIN, Trilobe
17 17-818898 PIN, Anchor
18 99625002 SHAFT Comment: SN# 0T928910 & Up
Powerhead Gasket Set Components (2 parts) Powerhead Gasket Set Components
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
0 25-804093 O-RING Comment: (Not used for this application)
Sensors (24 parts) Sensors
Ref OEM Part # Part Name
- 27-804345A02 GASKET SET, Powerhead
1 8042941 PLATE
2 10-811188T BOLT, (M6 x 16)
3 804295T THERMOSENSOR
4 804296 RETAINER
5 27-8042971 GASKET
6 10-811188T BOLT, (M6 x 16)
7 87-8043071 SWITCH, Oil Pressure
8 54-804300 CLAMP
9 54-804300 CLAMP
10 54-816311T TIE STRAP, (8.00 Inches)
11 10-827160M SCREW, (M5 x 10)
12 804298T SENSOR, Throttle
13 804301 LEVER
14 10-804306 SCREW, (M5 x 25)
15 12-804305 WASHER
16 804302 BRACKET
17 25-804304 GROMMET
18 23-804303 COLLAR
19 54-816311T TIE STRAP, (8.00 Inches)
20 84-859295T1 HARNESS ASSEMBLY, TPS Adaptor
21 54-83577M CLAMP
22 10-84088M SCREW, (M6 x 10)
23 56762 TIE STRAP, (4.00 Inches)
Service/Support Material (1 parts) Service/Support Material
Ref OEM Part # Part Name
0 92-8M0078625 OIL-10W30
Starter Motor (27 parts) Starter Motor
Ref OEM Part # Part Name
- 50-8M0065220 STARTER MOTOR ASSEMBLY
1 804320 STOP SET, Pinion
2 804319 PINION
3 804331T COVER
4 10-804336 BOLT, (M6 x 52)
5 804332 LEVER KIT
6 804333T RELAY, Starter
7 804334 COVER
8 804321T1 GEAR KIT
9 804322 CLUTCH
10 12-804330 WASHER KIT
11 804324 BRACKET
12 804326 RING GEAR
13 27-804327 GASKET
14 31-804325 BEARING
15 804323 SHAFT, Pinion
16 43-804329001 IDLER GEAR
17 804328 BRACKET
18 804314T STATOR
19 804313T ARMATURE
20 804315T1 HOLDER KIT, Brush
21 804316 BRUSH SET
22 24-804317 SPRING
23 804318T BRACKET
24 10-804337 SCREW, (M4 x 16)
25 10-804335 THRU BOLT, (M6 x 120)
26 10-804605 BOLT, (M8 x 45)
Steering Handle Kit (38 parts) Steering Handle Kit
Ref OEM Part # Part Name
- 816366A32 STEERING HANDLE KIT
NS 22-8M0169589 FITTING, Grease
1 12020A3 HANDLE ASSEMBLY, Steering Arm
2 23-42992T02 BUSHING
3 48414 HOUSING
4 48519 PLATE
5 27-48518 GASKET
6 10-878609 SCREW, (#10-16 x .600)
7 10-878608 SCREW, (#10-16 x .500)
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 NSS NOT SOLD SEPARATE, Insulator
14 12018A4 TUBE ASSEMBLY, Throttle
15 NSS NOT SOLD SEPARATE, Drive Wheel
16 NSS NOT SOLD SEPARATE, Roll Pin
17 10-62568 SCREW, (#10-16 x .375)
18 8M0221732 GRIP
19 54-648552 CLIP
20 11-40140 NUT, (M10)
21 8885241 CONDUIT, (9.03 Inches)
22 895665 GUIDE TUBE
23 89578 BARREL, Throttle Acutator
24 10-32,10-824081 SET SCREW,
25 12019003 CABLE ASSEMBLY
26 8M0204660 GUIDE, Cable
27 20007 ANCHOR, Cable End
28 8-32,10-8M0204644 SET SCREW,
29 10-823567105 SCREW, (M10 x 105) Hex Flange - Stainless Steel
30 48416 CAP
31 12-4002319 WASHER
32 12-12024 WASHER, (.402 x .787 x .039 Bellevi)
33 23-146011 SPACER
34 54-816311T TIE STRAP, (8.00 Inches)
35 NSS NOT SOLD SEPARATE, Decal-Throttle
36 25-889724 GROMMET, Hose Cable
Steering Handle Kit Components (51 parts) Steering Handle Kit Components
Ref OEM Part # Part Name
- 816366A32 STEERING HANDLE KIT
0 8949112 KEY, Ignition (2F) Comment: (2F)
1 816366T10 HANDLE, Bracket
2 10-881261 SCREW, (.313-24 x 3.50)
3 14-42981 TAB WASHER
4 822263 SPACER
5 84-12649A4 HARNESS ASSEMBLY
6 87-88107A5 SWITCH KIT, Key Comment: (See Chart Below for Keys)
7 11-879755 NUT, Special - Black Nylon Comment: (Black Nylon)
8 13541 PLUG, Male
9 121051 GROMMET
10 19-889730 PLUG
11 8M0032846 RETAINER, Brass
12 8158041 COVER
13 10-878608 SCREW, (#10-16 x .500)
14 87-11083A4 SWITCH ASSEMBLY, Stop
15 15920Q54 LANYARD ASSEMBLY
16 84-11149A3 CABLE ASSEMBLY
17 889528T01 HORN ASSEMBLY
18 87-18286A19 SWITCH KIT, Trim (25.00 Feet), Trim
19 87-8M0052927 SWITCH
20 10-12110 SCREW, (#6-32 x .750)
21 54-648551 CLAMP
22 10-878608 SCREW, (#10-16 x .500)
23 10-849838 SCREW, (.375-24 x 1.250)
24 11-8M0204726 NUT, (.375-24) Stainless Steel
25 48419T01 ROD END
26 495637 ROD, Shift
27 23-26856 BUSHING
28 12-35950 WASHER, (.273 x .437 x .031) Stainless Steel
29 18-25191 COTTER PIN
30 8163677 LEVER, Shift
31 16-8M0034452 STUD, (.375-24 x 1.125)
32 98530 KNOB
33 12016A2 DETENT/SPRING KIT
34 23-8159831 BUSHING
35 12-823970 WASHER
36 12-824610 WASHER, Plastic
37 12-814803 WASHER
38 14-8158051 TAB WASHER
39 10-4000357 SCREW, (M8 x 45)
40 56-52148A08 CO PILOT ASSEMBLY
41 52148002 PILOT ROD, (15.00 Inches)
42 11-52155A1 NUT ASSEMBLY
43 10-36137 SCREW, (.250-28 x 1.00)
44 821621 KNOB, Prong
45 873491 ROD
46 23-26841 BUSHING
47 12-8M0042642 WASHER, (.323 x .563 x .063) Stainless Steel
48 11-826709111 NUT, (.312-24) Stainless Steel
49 11-64015 NUT, (.250-20)
Swivel Bracket and Steering Arm (18 parts) Swivel Bracket and Steering Arm
Ref OEM Part # Part Name
1 1400-8M0220957 SWIVEL BRACKET
2 26-87735 SEAL, Oil (LOWER)
3 23-818764 BUSHING
4 25-8M0214926 O-RING
5 23-816039 SPACER
6 22-8M0169589 FITTING, Grease
7 23-821207 BUSHING
8 10-64014 SCREW, (.250-28 x .500)
9 99661A35 SWIVEL PIN ASSEMBLY
10 92876A12 LINK ROD ASSEMBLY
11 10-849838 SCREW, (.375-24 x 1.250)
12 11-8M0204726 NUT, (.375-24) Stainless Steel
13 12-37828 WASHER, (.390 x .625 x .062) Stainless Steel
14 42961A06 YOKE ASSEMBLY, Bottom
15 53-67684 RING, Retaining
16 12-816432 THRUST WASHER
17 NSS NOT SOLD SEPARATE
18 11288001 BUMPER, Bottom Yoke Comment: (X-LONG)
Throttle Lever and Linkage (22 parts) Throttle Lever and Linkage
Ref OEM Part # Part Name
1 10-804602 BOLT, (M6 x 12)
2 12-81794M WASHER
3 13-83457M WAVE WASHER
4 12-82221M PLATE
5 23-81949M BUSHING
6 804340 BRACKET
7 10-8248326 SCREW, (M6 x 25 MM)
8 804338 LEVER, Throttle Control
9 17-82149M PIN, (18.5 mm)
10 23-804344 COLLAR
11 24-804343 SPRING
12 8043421 CAM
13 12-84974M WASHER
14 13-81868M WAVE WASHER
15 12-94524M WASHER
16 10-826958M BOLT, (M6 x 35)
17 8587951 BRACKET, Throttle Lever
18 10-85593912 SCREW, (M6 x 12)
19 8587961 LINK, Throttle
20 12-71055 WASHER
21 12-35459 WASHER
22 18-82053M PIN, Hair
Tools 1 (27 parts) Tools 1
Ref OEM Part # Part Name
1 91-802653Q02 WRENCH, Oil Filter
2 91-8M0161873 HOLDER TOOL, Flywheel
3 91-83164M FLYWHEEL PULLER
4 FT2997 COMPRESSOR TOOL, Piston Ring
5 44357Q2 FLUSHING ATTACHMENT
6 90265A5 PUMP ASSEMBLY, Crankcase Oil
7 NSS NOT SOLD SEPARATE Comment: (SNAP-ON MT26J) (SNAP-ON MT26J300)
8 22-86306A01 ADAPTOR
9 22-89772 CONNECTOR, (.125-27)
10 91-79250A2 GAUGE KIT
11 91-804770A1 HOLDER TOOL, Crankshaft
12 91-37241 PULLER PLATE
13 91-99379 TIMING LIGHT
14 NSS NOT SOLD SEPARATE, Valve Seat Cutter Kit (Obtain Locally)
15 91-890451 ADAPTOR TOOL, Direct Voltage
16 91-34569A1 PULLER ASSEMBLY, Slide Hammer
17 91-850439T1 TESTER, Eight Chamber
18 91-854009A3 TACH MULTI METER, DMT 2000 Digital
19 91-804771 HARNESS ASSEMBLY, Pick Up Test
20 91-804772 HARNESS ASSEMBLY, Charge Coil Test
21 91-804773 HARNESS ASSEMBLY, Throttle Position Test
22 91-875216 HOLDER TOOL, Brush
23 91-875215A1 INSTALLER TOOL, Driveshaft Bushing
24 91-804774001 REMOVER/INSTALLER TOOL, Valve Guide
25 91-804775 REAMER TOOL, Valve Guide
26 91-809494A1 COMPRESSOR TOOL, Valve Spring
27 91-24697 EXPANDER TOOL, Piston Ring
Tools 2 (32 parts) Tools 2
Ref OEM Part # Part Name
30 91-74951 SPANNER WRENCH
31 NSS NOT SOLD SEPARATE Comment: Lock Ring Pliers (SNAP-ON SRP-4)
32 NSS NOT SOLD SEPARATE Comment: Expanding Rod (SNAP-ON CG 41-11)
33 NSS NOT SOLD SEPARATE Comment: Collet (SNAP-ON CG 41-12)
34 91-63209 HEAT LAMP
35 91-12349A05 LOCATION TOOL, Pinion
36 91-13945 INSTALLATION TOOL, Bearing
37 91-13949 DRIVER TOOL, Oil Seal
38 91-14308T02 TOOL KIT, Bearing Race
39 91-14309T02 INSTALLATION TOOL, Bearing
40 91-14310T1 WEAR SLEEVE INSTALLATION TOOL
41 91-14311A04 TOOL, Preload
42 91-15755T MANDREL
43 91-196601 INDICATOR TOOL, Backlash
44 91-31106T MANDREL, Bearing Driver Cup
45 91-31108T DRIVER, Oil Seal
46 91-36569T DRIVE HEAD TOOL
47 91-804776A1 HOLDING TOOL, Driveshaft
48 91-31229 SHAFT
49 91-34569A1 PULLER ASSEMBLY, Slide Hammer
50 91-37323 DRIVER ROD TOOL, Needle Bearings
51 91-37241 PULLER PLATE
52 91-37350T MANDREL
53 91-46086A1 PULLER JAW ASSEMBLY
54 91-58222A1 DIAL INDICATOR TOOL
55 91-8M0053505 INDICATOR TOOL, Backlash
56 91-85716 PULLER TOOL
57 91-83155 ADAPTER KIT, Dial Indicator
58 91-83165T PULLER ASSEMBLY
59 91-856875A1 INSTALLATION TOOL, Bearing
60 91-877321A1 INSTALLATION TOOL, Bearing
62 91-880177 SCRENCH TOOL, (10 mm), 10 MM
Top Cowl (27 parts) Top Cowl
Ref OEM Part # Part Name
0 37-804858A03 DECAL SET Comment: (MARINER 90)
1 4021-827328T10 TOP COWL ASSEMBLY Comment: (SILVER)
2 821256T2 INLET, Air - Silver Comment: (SILVER)
3 10-82130016 SCREW, (M6 x 16)
4 859356A02 SOUND BLANKET KIT Comment: (TOP)
5 NSS NOT SOLD SEPARATE Comment: (PORT)
6 NSS NOT SOLD SEPARATE Comment: (STARBOARD)
7 NSS NOT SOLD SEPARATE Comment: (BACK)
8 19-823865 CAP PLUG
9 831207A16 HANDLE
10 23-812707 BUSHING
11 23-831214 SPACER
12 13-12134 WASHER, Wave
13 8M0001081 CAM, Latch Shaft
14 12-8M0214930 WASHER
15 10-1993716 SCREW, (M6 x 16)
16 8M0036792 BRACKET, Front
17 815477 BUMPER, Latch
18 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
19 11-401366 NUT, (M6) Stainless Steel
20 53-8237951 RING, Retaining
21 8M0207770 ROLLER
22 8155381 PIN, Roll
23 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
24 11-401366 NUT, (M6) Stainless Steel
25 47341A11 ROPE AND HANDLE KIT, Manual Starting (FOR MANUAL STARTING)
26 50-12066Q10 ROPE
Transom Bracket (29 parts) Transom Bracket
Ref OEM Part # Part Name
1 3426-828334T02 BRACKET, Transom Comment: (STARBOARD)
2 3425-828333T07 BRACKET ASSEMBLY, Transom Comment: (PORT)
3 22-8M0169588 FITTING, Grease Comment: (PORT)
4 826125A1 TILT TUBE Comment: (STAINLESS STEEL)
5 11-826135 NUT, (1.00-14) Nylon Insert Comment: (Use With Stainless Steel Tilt Tube)
6 25-45711 O-RING, (.612 x .103)
7 13-88750 WASHER
8 11-826164 NUT, (.875-14) Comment: (Use With Stainless Steel Tilt Tube)
9 10-8M0149747 SCREW, (.500-20 x 4.500)
10 12-8M0204665 WASHER, (.530 x .870 x .105) Stainless Steel
11 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
12 11-82671117 NUT, (.500-20)
13 24-830899 SPRING, Tension
14 8M0109798 LEVER ASSEMBLY, Tilt Lock
15 23-65830 NYLINER
16 24-830900 SPRING, Compression
17 99633 KNOB
18 17-99615 PIN, Groove
19 17-893709 PIN
20 8M0086406 BRACKET, Anchor
21 10-858771 SCREW, (M10 x 30)
22 12-4002319 WASHER
23 11-40114 NUT, (M10 x 1.5)
24 97-818298Q1 ANODE KIT
25 10-8M0204707 SCREW, (M6 x 25)
26 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
27 54-22740 CLIP
28 8M0084613 C WASHER
29 10-878609 SCREW, (#10-16 x .600)

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 75 (4-STROKE)(BODENSEE) 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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