Mercury 250 VERADO (4-STROKE)(6 CYL.) (0P464488 THRU 0P520552) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 250 VERADO (4-STROKE)(6 CYL.). Scroll down for exploded parts diagrams (33), specifications, and maintenance reference.

Mercury 250 VERADO (4-STROKE)(6 CYL.) (0P464488 THRU 0P520552) Parts & Diagrams

🔎 Mercury 250 VERADO (4-STROKE)(6 CYL.) Reference Library — Exploded parts diagrams (33 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 250 VERADO (4-STROKE)(6 CYL.) is a 4-Stroke, V8 64-degree, DOHC, 32-valve outboard motor. Designed for large center-consoles, offshore sport-fishing boats, and multi-engine configurations.

Quick Reference Specifications

Specification Value
Engine Type 4-Stroke, V8 64-degree, DOHC, 32-valve
Horsepower 250 HP
Displacement 4600 cc (4.6L / 279 CID)
Bore x Stroke 92 mm x 86 mm (3.62 in. x 3.38 in.)
Spark Plug (Type & Gap) NGK LKAR7C-9
Engine Oil Capacity 7.0 L (7.4 qt)
Recommended Engine Oil Mercury FourStroke Oil 25W-40 (NMMA FC-W SAE 10W-30)
Gear Case Oil Capacity 802 mL (27.1 oz)
Idle Speed (in gear) 600 RPM
Full Throttle RPM Range 5200-6000
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 250 VERADO (4-STROKE)(6 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 250 VERADO (4-STROKE)(6 CYL.).

Accessories (1 parts) Accessories
Ref OEM Part # Part Name
- 899712A01 CABLE KIT, Continuity
Adaptor Plate Hose Routings (33 parts) Adaptor Plate Hose Routings
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 17-884474001 PIN, Dowel (12 mm)
2 888819002 DRAIN, Cowl
3 22-888461A01 FITTING KIT
4 25-892446 O-RING, 14 X 1.78 MM
5 10-8M0103804 SCREW, (M6 x 12 MM) Stainless Steel
6 12-8M0214930 WASHER
7 22-889792A01 FITTING KIT, Idle Exhaust
8 25-889828 O-RING, (.924 x .103)
9 10-8M0103804 SCREW, (M6 x 12 MM) Stainless Steel
10 22-889846 FITTING
11 54-816311T TIE STRAP, (8.00 Inches)
12 32-888981001 HOSE, Idle Exhaust
13 892384T PLENUM, Exhaust
14 10-4006731 SCREW, (M6 x 16)
15 88238A21 CABLE ASSEMBLY
16 10-40011126 SCREW, (M6 x 13) Stainless Steel
17 32-8M0087120 HOSE, Manifold Reference-Lower
18 25-884546 GROMMET
19 888523001 CLIP
20 32-8M0087106 HOSE, Water In-Lower
21 25-884546 GROMMET
22 32-8M0087116 HOSE, Fuel Supply Module-Out
23 25-884546 GROMMET
24 54-815504104 CLAMP, Worm Gear
25 32-8M0108349 TUBING, (.312) (70.00 Inches Bulk), Cut to 21 Inches
26 892562T01 HOUSING, Manifold
27 892117 SEAL
28 10-8M0103805 SCREW, (M6 x 16 MM) Stainless Steel
29 32-887756 HOSE, Water In-Upper
30 32-8M0203762 HOSE, Hi-Pressure Filter
31 35-879885Q FILTER, Fuel
32 32-8M0203763 HOSE, Hi-Pressure Filter To Fuel Rail
Adaptor Plate-Lower (30 parts) Adaptor Plate-Lower
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 887623T03 PICKUP ASSEMBLY, Oil
2 25-8M0092943 O-RING, (1.239 x .070)
3 10-8M0103807 SCREW, (M6 x 25 MM) Stainless Steel
4 27-889618001 GASKET, Oil Sump
5 880626T01 TUBE ASSEMBLY, Exhaust
6 10-8M0103814 SCREW, (M8 x 35 MM)
7 26-880629 SEAL, Exhaust Tube
8 880639T SUMP ASSEMBLY, Oil
9 10-8M0103808 SCREW, (M6 x 20 MM) Stainless Steel
10 8M0082193 TUBE ASSEMBLY, Oil Drain Comment: (X-Long/XX-Long)
11 25-892446 O-RING, 14 X 1.78 MM
12 17-892228 PIN, Dowel
13 888592005 PLUG ASSEMBLY, Oil Drain
14 26-888593 SEAL, Drain Plug
15 10-8M0103808 SCREW, (M6 x 20 MM) Stainless Steel
16 32-885541A03 TUBE ASSEMBLY, Water (30.00 Inch) Comment: (XX-Long)
17 25-892445 O-RING
18 22-8M0214983 COUPLING
19 25-8M0204673 O-RING, (.921 x .139)
20 25-8M0204645 O-RING, (.796 x .139)
21 8M0114707 POPPET ASSEMBLY
22 24-64878 SPRING, (Black)
23 893385001 RETAINER
24 648771 DIAPHRAGM
25 889706 WASHER
26 10-69570 SCREW, (#10-16 x .750)
27 893384001 COVER, Poppet
28 27-889561 GASKET, Poppet
29 10-88552535 SCREW, (M6 x 35 MM) Stainless Steel
Alternator/Belt Tensioner Mounting (18 parts) Alternator/Belt Tensioner Mounting
Ref OEM Part # Part Name
1 892940T02 ALTERNATOR, 70 Ampere
2 8M0101707 BELT TENSIONER
3 8M6003035 PULLEY
4 10-885349501 SCREW
5 23-855729 MOUNT
6 12-845998 WASHER, (.406 x 1.250 x .089)
7 10-8M0103823 SCREW, (M10 x 45)
8 8M0219204 BRACKET
9 17-888517 PIN
10 57-8M0232583 BELT, Drive
11 10-8M0103824 SCREW, (M10 x 85)
12 12-4002319 WASHER
13 11-401386 NUT, (M6) Stainless Steel
14 84-856583A12 CABLE ASSEMBLY
15 84-858414A04 CABLE ASSEMBLY, Brass, Braided
16 10-8M0103805 SCREW, (M6 x 16 MM) Stainless Steel
17 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel
18 54-828991T CLIP
Charge Cooler/Intake Manfifold (40 parts) Charge Cooler/Intake Manfifold
Ref OEM Part # Part Name
- 8M0185613 MODULE ASSEMBLY, Intergrated Air Fuel
1 8M0132388 CAC ASSEMBLY
2 895032 STRAP
3 10-8M0041014 SCREW, (M6 x 18)
4 22-8M0039993 FITTING
5 NSS NOT SOLD SEPARATE, O-Ring (Part of 895031 Kit)
6 NSS NOT SOLD SEPARATE, Stack Assembly
7 NSS NOT SOLD SEPARATE, Seal
8 NSS NOT SOLD SEPARATE, O-Ring (Part of 895031 Kit)
9 19-8M0048079 FITTING
10 NSS NOT SOLD SEPARATE, O-Ring (Part of 895031 Kit)
11 NSS NOT SOLD SEPARATE, Plate
12 891663001 SENSOR ASSEMBLY, Temperature
13 25-892317001 O-RING
14 10-895054 SCREW, (M4 x 16 MM)
15 880582T05 MANIFOLD ASSEMBLY, Intake
16 895019 SEAL
17 895020 SEAL
18 8M6000639 SENSOR
19 54-8M0214911 CLAMP, (15.7 mm), Map Sensor to Boot
20 892952500 BOOT
21 54-8M0204719 CLAMP, (36.1 mm)
22 10-8M0103807 SCREW, (M6 x 25 MM)
23 895022A01 FUEL RAIL KIT
24 895028A01 VALVE, Schrader
25 25-895056 O-RING
26 895026 BRACKET
27 10-895051 SCREW, (M5 x 10)
28 895024 BRACKET
29 10-895051 SCREW, (M5 x 10)
30 8M0041571 INJECTOR, Fuel
31 25-851889 O-RING
32 895025 DAMPER
33 25-851889 O-RING
34 32-895029A01 TUBE KIT, Fuel Inlet
35 12-895055 WASHER
36 25-895057 O-RING
37 895027 BRACKET
38 10-895051 SCREW, (M5 x 10)
39 10-895053 SCREW, (M6 x 15)
Charge Cooler/Intake Manifold Hose Routings (12 parts) Charge Cooler/Intake Manifold Hose Routings
Ref OEM Part # Part Name
- NSS NOT SOLD SEPARATE, Hose Assembly
1 11-826292 NUT, (M10) Brass/Nickel Plated
2 10-8M0048051 SCREW
3 32-889593001 HOSE
4 22-8M6003382 FITTING ASSEMBLY, Flushing
5 32-889592001 HOSE
6 54-8M0187145 CLAMP, (34.6 mm)
7 32-892967 HOSE
8 54-850181 TIE STRAP, (11.750 Inches)
9 54-8M0187145 CLAMP, (34.6 mm)
10 32-8M0203767 HOSE, Boost, Manifold Reference-Upper
11 10-8M0103821 SCREW, (M10 x 30)
Cowl Latching (13 parts) Cowl Latching
Ref OEM Part # Part Name
- 892062T02 LATCH ASSEMBLY, Front and Side
1 888976T01 BRACKET
2 888974A02 SIDE LATCH ASSEMBLY
3 24-888996 SPRING
4 23-896124 SLEEVE
5 25-828249 GROMMET
6 889694 CABLE
7 53-27290 RING, Retaining
8 12-30164 WASHER, (.192 x .375 x .0312) Stainless Steel
9 17-893380 PIN, Clevis
10 53-61319 E RING
11 10-4006731 SCREW, (M6 x 16)
12 16-8M0099404 STUD
Crankshaft, Pistons and Connecting Rods (22 parts) Crankshaft, Pistons and Connecting Rods
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 400-891644A04 CRANKSHAFT ASSEMBLY
2 23-897498T04 BEARING, Main - Orange, Crankshaft-Upper Comment: (Orange)
3 23-8M0117004 BEARING, Thrust - Orange, Crankshaft-Lower Comment: (Orange)
4 26-8M0032912 SEAL, Top Main Bearing
5 23-896883 SPACER
6 53-896882 RING, Retaining
7 28-91800 KEY, Woodruff
8 19-885348 CAP, Flywheel Bolt
9 8M0103398 CHAIN, Roller Cam Drive
10 662-8M0103285 CONNECTING ROD ASSEMBLY
11 10-884441 BOLT
12 23-892005A03 BEARING, Connecting Rod - Orange Comment: (Orange)
13 700-897737T01 PISTON ASSEMBLY
14 39-881180A02 RING SET, Piston
15 NSS NOT SOLD SEPARATE, Piston Ring-Oil
16 NSS NOT SOLD SEPARATE, Piston Ring-2nd
17 NSS NOT SOLD SEPARATE, Piston Pin
18 40-881184 CIRCLIP
19 200-888983T03 FLYWHEEL
20 10-8M0147042 BOLT, (M20 x 68 MM)
21 12-8M0090010 WASHER
Cylinder Block (31 parts) Cylinder Block
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 800-880506A11 CYLINDER BLOCK ASSEMBLY
2 8M0111325 BRACKET, Mounting-Starter Motor
3 10-8M0103815 SCREW, (M8 x 40)
4 19-889767 PLUG, (12 mm)
5 17-43044 PIN, Dowel - Without Hole (.375 x .625)
6 23-893392001 DAMPER
7 19-896951 PLUG, (24 mm)
8 17-880524 PIN, Dowel (14 mm)
9 25-884409 O-RING
10 17-884424 PIN, Dowel (11 mm)
11 25-884423 O-RING
12 10-8M4501000 SCREW, (M10 x 342)
13 12-892573001 WASHER
14 10-8M0103818 SCREW, (M8 x 75)
15 8M0082988 SENSOR
16 10-40011107 SCREW, (M5 x 16) Stainless Steel
17 8M0142542 SENSOR ASSEMBLY
18 25-896699 O-RING, (.351 x .072)
19 8M6000637 SENSOR, Pressure
20 27-8M0033476 GASKET, Head
21 17-888517 PIN
22 10-8M0193831 SCREW, (M8 x 115)
23 10-8M0193659 SCREW, (M8 x 50)
24 27-880624003 GASKET, Block to Adaptor
25 880559 GUIDE, Fixed
26 880557 GUIDE, Moveable
27 10-892456045 SCREW
28 16-8M0022160 STUD
29 11-401388 NUT, (M8) Stainless Steel
30 10-8M0103814 SCREW, (M8 x 35 MM)
Cylinder Head and Camshaft (55 parts) Cylinder Head and Camshaft
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 900-8M0152336 CYLINDER HEAD ASSEMBLY
2 19-889767 PLUG, (12 mm)
3 19-891953 PLUG, (18 mm)
4 19-896951 PLUG, (24 mm)
5 19-8M0087446 PLUG, (10 mm)
6 17-880524 PIN, Dowel (14 mm)
7 10-8M0163131 BOLT, (M6 x 36 MM)
8 880533 SEAT, Intake Valve
9 8M0089477 SEAT, Exhaust Valve
10 880537 GUIDE, Intake and Exhaust Valves
11 20-898907 VALVE, Intake
12 20-898908 VALVE, Exhaust
13 26-8M0214986 SEAL, Valve
14 24-8M0011503 SPRING, Intake and Exhaust Valve
15 8M0908500 RETAINER ASSEMBLY, Valves
16 28-880543 KEY
17 NSS NOT SOLD SEPARATE, CAP
18 400-892112T02 CAMSHAFT, Intake
19 400-892113T04 CAMSHAFT, Exhaust
20 88054835 TAPPET Comment: (3.721)
21 10-892454030 SCREW, (M6 x 30)
22 892596T04 COVER, Camshaft
23 892584 SEAL
24 8M6000959 SEAL
25 10-8M0103807 SCREW, (M6 x 25 MM) Stainless Steel
26 859578A1 PLUG ASSEMBLY, Oil
27 25-8M0204673 O-RING, (.921 x .139)
28 880558 GUIDE, Short
29 8M0142542 SENSOR ASSEMBLY
30 25-896699 O-RING, (.351 x .072)
31 10-8M0103817 SCREW, (M8 x 60)
32 898463A01 TENSIONER ASSEMBLY Comment: SN# 0P491955 & Up
33 25-898836 O-RING, Brown
34 1100-8M0064752 END CAP, Tensioner
35 10-8M0103807 SCREW, (M6 x 25 MM) Stainless Steel
36 10-8M0103809 SCREW, (M6 x 40 MM) Stainless Steel
37 10-8M0103814 SCREW, (M8 x 35 MM)
38 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
39 25-833155 GROMMET
40 23-8502341 BUSHING
41 54-892833 CLIP
42 32-889591A05 HOSE ASSEMBLY, Breather
43 339-880615T01 COIL ASSEMBLY
44 10-8M0103807 SCREW, (M6 x 25 MM) Stainless Steel
45 33-889246Q39 SPARK PLUG, NGK-ILFR6G
46 54-858954 CLIP, (.625)
47 54-850181 TIE STRAP, (11.750 Inches)
48 43-880550 SPROCKET, Cam Drive
49 10-8M0021532 SCREW, (M12 x 40) Comment: (Left Hand)
50 10-8M0103804 SCREW, (M6 x 12 MM) Stainless Steel
51 54-889746001 CLIP
52 54-888988019 CLAMP, (22.6 mm)
53 8M0011987 SENSOR ASSEMBLY
54 10-8M0103805 SCREW, (M6 x 16 MM) Stainless Steel
Driveshaft Housing (37 parts) Driveshaft Housing
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 1500-8M0113286 HOUSING, Driveshaft Comment: (Long)
2 885364T01 CHAP ASSEMBLY, Lower-Port Comment: (X-Long/XX-Long)
3 885363T01 CHAP ASSEMBLY, Lower-Starboard Comment: (X-Long/XX-Long)
4 10-892073002 SHOULDER SCREW, (M6)
5 25-889568001 GROMMET
6 889656T01 SHROUD, Vapor Separator
7 10-8M0103818 SCREW, (M8 x 75)
8 10-8M0103812 SCREW, (M8 x 120)
9 10-8M0103816 SCREW, (M8 x 50)
10 10-8M0103815 SCREW, (M8 x 40)
11 10-8M0103814 SCREW, (M8 x 35 MM)
12 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
13 897784A01 BRACKET KIT, Upper Chap
14 10-8M0103806 SCREW, (M6 x 20 MM) Stainless Steel
15 10-8M0103813 SCREW, (M8 x 30)
16 32-85944975 TUBING, (72.00 Inches Bulk), Cut to 44 Inches)
17 889831001 RETAINER
18 NSS NOT SOLD SEPARATE, Decal-Oil Drain
19 54-898033 CLIP (Replaces O-Rings)
20 16-8M0008031 STUD, (M12 x 52) Comment: (Long/X-Long)
21 12-856982 WASHER, (.500 x .810 x .090) Stainless Steel
22 11-896895 NUT, (M12)
23 10-8M0102995 SCREW, (M12 x 35 MM) Comment: (Long/X-Long)
24 19-824928001 PLUG, Rubber
25 12-8M0214963 WASHER, (.406 x .750 x .105) Stainless Steel
26 11-884412 NUT
27 10-8M0103825 SCREW, (M12 x 45)
28 8M0105088 SPACER Comment: (XX-Long)
29 10-857137 SCREW, (M12 x 160) Comment: (XX-Long)
30 16-8M0008047 STUD, (M12 x 179) Comment: (XX-Long)
31 17-43044 PIN, Dowel - Without Hole (.375 x .625) Comment: (XX-Long)
32 23-855623 BUSHING (Use where Applicable) Comment: (XX-Long)
33 1500-8M0113287 HOUSING, Driveshaft Comment: (X-Long/XX-Long)
34 891966006 BRACKET, Cowl Comment: (X-Long/XX-Long)
35 10-8M0103806 SCREW, (M6 x 20 MM) Stainless Steel Comment: (X-Long/XX-Long)
36 54-898033 O-RING
Electrical Box Components (41 parts) Electrical Box Components
Ref OEM Part # Part Name
- NSS NOT SOLD SEPARATE, Relay Bracket Assembly
1 885560T03 BASE, Electrical Box
2 885561T COVER, Fuse Box
3 88-8M0167280 COVER, Fuse
4 25-885583 SEAL
5 889531 STRAP
6 885584 PIN, Hinge
7 25-833155 GROMMET
8 23-8502341 BUSHING
9 88-832969T20 FUSE, Mini - Yellow - 20 Ampere
10 11-400213 NUT, (M8) Stainless Steel
11 895099 EXTRACTOR, Fuse
12 32-828547753 CONDUIT, (.750 Inside Diameter x 3.00 Feet Bulk)
13 10-40011146 SCREW, (M8 x 13) Stainless Steel
14 12-843108 WASHER, (.330 x .560 x .060) Stainless Steel
15 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
16 892244 STRAP, Cover
17 54-879962 CLIP
18 88924693T PCM, Propulsion Control Module Comment: (275 EU) SN# BEL-0P481105 & Up
19 84-8M0082643 HARNESS ASSEMBLY, Engine
20 882751A04 RELAY ASSEMBLY
21 NSS NOT SOLD SEPARATE, Decal-Trim Relay
22 889532 BRACKET
23 10-40007103 SCREW, (M5 x 6)
24 84-93388A17 CABLE ASSEMBLY, (8.50 Inches)
25 84-879345T34 HARNESS ASSEMBLY, Trim
26 84-8M0088927 HARNESS ASSEMBLY, Fuse
27 54-816311T TIE STRAP, (8.00 Inches)
28 54-891520001 CLIP
29 10-82129114 SCREW, (M6 x 14)
30 877613A02 CONNECTOR ASSEMBLY, Weather Cap 6 Pin
31 54-879962 CLIP
32 84-8M0113732 HARNESS ASSEMBLY
33 862646 FUSE, Tan - 5 Ampere
34 84-88439A25 CABLE ASSEMBLY, Battery - Positive Comment: (Long)
35 11-401388 NUT, (M8) Stainless Steel
36 11-8M0204671 NUT, (.375-16), Battery Cable-Positive
37 10-8M0103814 SCREW, (M8 x 35 MM)
38 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
39 84-88439A26 CABLE ASSEMBLY, Battery - Negative Comment: (Long)
40 11-8M0204668 NUT, (.312-18), Battery Cable-Negative
Fuel Supply Module (21 parts) Fuel Supply Module
Ref OEM Part # Part Name
- 889283A01 TOOL KIT, Fuel Priming
1 84-8M0130900 HARNESS ASSEMBLY
2 53-880596515 CLIP
3 25-855362001 GROMMET
4 23-855364 BUSHING
5 880596T50 COVER KIT
6 10-880596513 SCREW
7 880596503 REGULATOR, With O-Rings
8 54-880596512 CLAMP
9 32-880596A05 HOSE
10 8M6000359 FLOAT
11 880596T55 PUMP ASSEMBLY, Fuel - High Pressure
12 880596506 SEAL
13 26-880596507 SEAL
14 26-880596502 SEAL
15 880596T58 PUMP KIT, Fuel - Lift
16 880596509 ISOLATOR
17 26-880596510 SEAL
18 880596501 HOUSING ASSEMBLY
19 19-880596516 PLUG
20 25-880596517 O-RING
Gear Housing(Driveshaft)(Standard/Counter Rotation) (47 parts) Gear Housing(Driveshaft)(Standard/Counter Rotation)
Ref OEM Part # Part Name
- 817275A08 REPAIR KIT, Water Pump-Upper
0 1600-880686T17 GEAR HOUSING ASSEMBLY, Complete Comment: (Counter Rotation-XX-Long)
1 1600-880687T01 GEAR HOUSING ASSEMBLY, Basic
2 821526001 FILLER BLOCK
3 17-43044 PIN, Dowel - Without Hole (.375 x .625)
4 97-826134Q ANODE
5 10-4000333 SCREW, (M6 x 40)
6 11-401386 NUT, (M6) Stainless Steel
7 10-79953A04 PLUG ASSEMBLY, (.375-16 x .250)
8 26-8M0204693 SEAL
9 97-76214Q5 ANODE KIT Comment: (Quicksilver)
10 10-8M0204686 SCREW, (.437-14 x 1.750)
11 32-85944975 TUBING, (72.00 Inches Bulk), Cut to 17 Inches (Use where Applicable) Comment: (XX-Long)
12 22-881866 FITTING
13 8M0047129 COVER ASSEMBLY
14 26-8M0204708 SEAL, Oil
15 25-896522 O-RING, (799 x .103)
16 10-8M0204741 SCREW, (M6 x 20) Stainless Steel
17 12-77674 WASHER
18 27-880729 GASKET
19 824145 SHIFT SHAFT
20 NSS NOT SOLD SEPARATE, Pinion Gear 13 Teeth Comment: (Part of 43-892595A02)
21 11-35921 NUT, (.625-18)
22 12-92721 WASHER
23 31-42647A1 BEARING ASSEMBLY, Roller
24 45-888574 DRIVESHAFT Comment: (XX-Long)
25 15-884327A02 SHIM/BEARING ASSEMBLY
26 15-8M0063268 SHIM ASSEMBLY
27 NSS NOT SOLD SEPARATE, Roller Bearing Assembly
28 NSS NOT SOLD SEPARATE, Cup
29 NSS NOT SOLD SEPARATE, Roller Bearing Assembly
30 NSS NOT SOLD SEPARATE, Cup
31 8245191 RETAINER
32 817275A09 HOUSING, Water Pump-Complete
33 26-861415A1 SEAL KIT
34 10-8M0204741 SCREW, (M6 x 20) Stainless Steel
35 47-43026T2 IMPELLER
36 8M0204709 FACEPLATE
37 53-880719 RING, Retaining
38 8M0007131 CARRIER ASSEMBLY, Oil Seal
39 25-8M0142854 O-RING, (2.175 x .103)
40 NSS NOT SOLD SEPARATE, Oil Seal
41 NSS NOT SOLD SEPARATE, Oil Seal
42 28-8M0204723 KEY
43 27-8172771 GASKET
44 27-430331 GASKET
45 43585 COUPLING
Gear Housing, Propeller Shaft - Counter Rotation (42 parts) Gear Housing, Propeller Shaft - Counter Rotation
Ref OEM Part # Part Name
- 26-830749A01 SEAL KIT, Gear Housing
0 1600-880686T17 GEAR HOUSING ASSEMBLY, Complete Comment: (XX-Long)
1 1600-880687T01 GEAR HOUSING ASSEMBLY, Basic
2 NSS NOT SOLD SEPARATE, Plug
3 896847A01 CRANK, Shifter
4 8M0235940 SPOOL ASSEMBLY
5 NSS NOT SOLD SEPARATE, Spool
6 18-469501 COTTER PIN
7 NSS NOT SOLD SEPARATE, Sleeve Adjusting
8 43-892809A02 GEAR ASSEMBLY, Reverse
9 31-8M0142836 BEARING ASSEMBLY, Roller
10 NSS NOT SOLD SEPARATE, Cup
11 53-8M0051043 RING, Retaining
12 12-8M0053823 THRUST WASHER
13 31-8M0142835 BEARING ASSEMBLY, Roller-Tappered
14 NSS NOT SOLD SEPARATE, Cup
15 15-884328A01 SHIM SET
16 24-30893 SPRING
17 52-880714T CLUTCH
18 17-8M0100263 PIN, Cross
19 17-828356 PIN, Detent
20 44-888530 PROPELLER SHAFT
21 43-8M0119540 GEAR SET, Forward/Pinion
22 880699 THRUST RING
23 31-815480 BEARING, Thrust
24 880696A10 CARRIER ASSEMBLY, Bearing
25 25-8M0142840 O-RING, (3.850 x .210)
26 31-814653T BEARING ASSEMBLY, Needle Rollers
27 8M0148384 ADAPTOR, Bearing
28 15-47397A1 SHIM SET
29 15-891936A01 SHIM SET
30 31-8M0148319 BEARING ASSEMBLY, Tapered
31 NSS NOT SOLD SEPARATE, Cup
32 26-8M0204700 SEAL, Oil
33 26-8M0204700 SEAL, Oil
34 10-880717A01 SCREW/SEAL KIT
35 26-8M0204693 SEAL
36 8M0053183 ADAPTOR
37 23-891919001 SPACER, Thrust
38 14-880697 KEYED WASHER
39 8M2011027 RETAINER
40 NSS NOT SOLD SEPARATE, Decal-Counter Rotation
Gear Housing, Propeller Shaft - Standard Rotation (37 parts) Gear Housing, Propeller Shaft - Standard Rotation
Ref OEM Part # Part Name
- 26-830749A01 SEAL KIT, Gear Housing
0 1600-880686T16 GEAR HOUSING ASSEMBLY, Complete Comment: (Standard-XX-Long)
1 1600-880687T01 GEAR HOUSING ASSEMBLY, Basic
2 NSS NOT SOLD SEPARATE, Plug
3 896847A01 CRANK, Shifter
4 8M0235940 SPOOL ASSEMBLY
5 NSS NOT SOLD SEPARATE, Spool
6 18-469501 COTTER PIN
7 NSS NOT SOLD SEPARATE, Sleeve Adjusting
8 43-892595A05 GEAR SET, Forward And Pinion
9 15-884328A01 SHIM SET
10 31-8M0142836 BEARING ASSEMBLY, Roller
11 NSS NOT SOLD SEPARATE, Cup
12 53-8M0051043 RING, Retaining
13 12-8M0053823 THRUST WASHER
14 31-8M0142835 BEARING ASSEMBLY, Roller-Tappered
15 NSS NOT SOLD SEPARATE, Cup
16 52-880714T CLUTCH
17 24-30893 SPRING
18 17-828356 PIN, Detent
19 44-888530 PROPELLER SHAFT
20 17-8M0100263 PIN, Cross
21 43-8M0142891 GEAR ASSEMBLY, Reverse
22 880699 THRUST RING
23 23-891919001 SPACER, Thrust
24 880696A08 CARRIER ASSEMBLY, Bearing
25 15-891936A01 SHIM SET
26 30-8M0142873 BEARING, Ball
27 26-8M0204700 SEAL, Oil
28 31-8M0148319 BEARING ASSEMBLY, Tapered
29 NSS NOT SOLD SEPARATE, Cup
30 26-8M0204700 SEAL, Oil
31 25-8M0142840 O-RING, (3.850 x .210)
32 10-880717A01 SCREW/SEAL KIT
33 26-8M0204693 SEAL
34 14-880697 KEYED WASHER
35 8M2011027 RETAINER
Induction Components (46 parts) Induction Components
Ref OEM Part # Part Name
1 887936T04 COVER, Flywheel
2 25-8M0190980 GROMMET
3 8M0035481 TUBE OUTLET ASSEMBLY
4 32-893389 HOSE, (65 Inside Diameter)
5 32-893390 HOSE, (60 Inside Diameter)
6 54-893342 CLAMP
7 893391 HOSE SLEEVE
8 19-8M0074364 COVER, Hose Clamp End
9 54-893342 CLAMP
10 898022 DIPSTICK, Oil
11 17-888517 PIN
12 8M0113515 THROTTLE CONTROL ASSEMBLY, Electronic
13 8M0113513 ISOLATOR
14 54-815504256 CLAMP, Worm Gear
15 10-88552550 SCREW, (M6 x 50 MM) Stainless Steel
16 884353 BRACKET
17 54-816311T TIE STRAP, (8.00 Inches)
18 892383T06 INTAKE ASSEMBLY, Air
19 25-8349851 GROMMET
20 23-856954 BUSHING
21 35-893318T02 FILTER, Air
22 54-895842 CLAMP
23 27-893317 GASKET
24 8M0007183 RESONATOR
25 54-888988027 CLAMP
26 893314002 DUCT, Inlet
27 10-8M0103807 SCREW, (M6 x 25 MM) Stainless Steel
28 12-65567 WASHER, (.265 x .750 x .048) Stainless Steel
29 54-888988016 CLAMP, (96.5 mm)
30 884408A08 VALVE KIT, Control - Electric Boost
31 887939007 PLATE, Boost Valve Mounting
32 25-892079 O-RING
33 10-8M0103806 SCREW, (M6 x 20 MM) Stainless Steel
34 25-833155 GROMMET
35 23-8502341 BUSHING
36 54-859376 CLIP
37 10-8M0103814 SCREW, (M8 x 35 MM)
38 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
39 32-887937006 HOSE, Front
40 54-888988002 CLAMP, (57.5 mm), Front Electronic Boost Control
41 32-887938003 TUBE, Rear
42 54-888988004 CLAMP, (62.0 mm), Rear Electronic Boost Control
43 881879T25 SENSOR ASSEMBLY, Pitot
44 22-8M0207782 FITTING
45 54-883066 CLIP, (.865)
46 54-8589781 CLIP, Fuel Hose (Use where Applicable)
Lube Chart (1 parts) Lube Chart
Ref OEM Part # Part Name
- NOPART NO PARTS LIST
Mercathode Kit (15 parts) Mercathode Kit
Ref OEM Part # Part Name
1 88334A2 MERCATHODE KIT
2 88334A4 MERCATHODE ASSEMBLY
3 10-22793 SCREW, (#9-14 x .875)
4 12-30164 WASHER, (.192 x .375 x .0312) Stainless Steel
5 10-32,11-45076 NUT, Brass
6 72958A5 ELECTRODE ASSEMBLY
7 25-8M0204645 O-RING, (.796 x .139)
8 10-87698 SCREW, (#10-16 x 1.250) Stainless Steel
9 97-72957A5 ANODE ASSEMBLY
10 25-8M0204645 O-RING, (.796 x .139)
11 10-87698 SCREW, (#10-16 x 1.250) Stainless Steel
12 88-8M0207796 FUSE, 20 Ampere
13 84-95084A10 CABLE ASSEMBLY, (5.00 Inches) Red
14 84-95084A13 CABLE ASSEMBLY, (64.00 Inches)
15 84-79138A8 CABLE ASSEMBLY, (72.00 Inches) Black
Mount Cradle (23 parts) Mount Cradle
Ref OEM Part # Part Name
1 8M0109275 SEAL
2 884887T07 MOUNT CRADLE
3 8M0060014 SEAL
4 8M0103708 MOUNT, Rear
5 8M0103365 MOUNT, Front
6 10-889745030 SCREW, (M12 x 30)
7 10-8M0103832 SCREW, (M16 x 90)
8 25-12602002 GROMMET
9 10-40011126 SCREW, (M6 x 13) Stainless Steel
10 32-8M0108355 HOSE, (57.00 Inches Bulk), Cut to 35 Inches
11 22-895797001 FITTING, Telltale
12 54-895851 CLAMP, (8.00 Inches)
13 17-73194 PIN, Roll (.125 x 1.12)
14 880649002 LEVER, Tilt Lock
15 24-47968 SPRING
16 889540A03 CLUTCH KIT
17 8M0109693 BRACKET, Tilt Lock
18 889539001 PAD, Tilt Lock
19 880650003 SHAFT, Tilt Lock
20 10-889546 SCREW, (M5 x 10)
21 31-8806641 BEARING, (.625 Inch)
22 888590002 SENSOR
23 10-889547 SCREW, (M5 x 30)
Oil Pump/Adaptor Plate-Upper (36 parts) Oil Pump/Adaptor Plate-Upper
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 892126A03 ADAPTOR PLATE KIT
2 17-892228 PIN, Dowel
3 19-896951 PLUG, (24 mm)
4 26-884462 SEAL, Water
5 25-887930 O-RING
6 26-8M0033928 SEAL, Oil
7 21-884422A07 PRESSURE RELIEF VALVE, Oil Pump
8 8M6002692 CHAIN, Oil Pump Drive
9 12-892491 WASHER
10 11-892165 NUT
11 45-8M0217265 DRIVESHAFT, Oil Pump
12 25-8M0034912 O-RING
13 884456 SPROCKET, Driven
14 884418A1 TENSIONER ASSEMBLY, Oil Pump Drive
15 884446T04 PUMP ASSEMBLY, Oil
16 10-892455065 SCREW
17 892335001 DEFLECTOR, Oil
18 10-8M0103805 SCREW, (M6 x 16 MM) Stainless Steel
19 888819002 DRAIN, Cowl
20 25-888163 GROMMET
21 21-884477A01 CHECK VALVE ASSEMBLY
22 22-8M0092321 FITTING, Dump
23 25-8M0092943 O-RING, (1.239 x .070)
24 10-8M0103804 SCREW, (M6 x 12 MM) Stainless Steel
25 32-8M0087108 HOSE, Vent-Lower
26 25-884546 GROMMET
27 888523001 CLIP
28 32-8M0087118 HOSE, Fuel into Fuel Supply Module
29 25-884546 GROMMET
30 27-889617001 GASKET
31 32-8M0225335 HOSE, Fuel-Vent
32 8M0175814 VENT CANISTER ASSEMBLY
33 54-853947 CLIP
34 8M0126303 VALVE ASSEMBLY, Fuel Line Purge
35 25-884546 GROMMET
Port Cylinder Block Components (18 parts) Port Cylinder Block Components
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 16-8M0022158 STUD, (M10 x 1.5)
2 16-8M0022162 STUD
3 8M6003194 SENSOR ASSEMBLY, Knock
4 10-892086035 SCREW, (M10 x 35)
5 12-4002319 WASHER
6 884268A1 JET ASSEMBLY, Oil
7 54-8M0187145 CLAMP, (34.6 mm)
8 32-885544002 HOSE
9 22-896094A01 FITTING ASSEMBLY
10 25-896699 O-RING, (.351 x .072)
11 32-85978571 TUBING, (52.00 Inches Bulk), To Water Pressure Sensor - Cut to 21.5 Inches
12 54-816311T TIE STRAP, (8.00 Inches)
13 881879T26 SENSOR ASSEMBLY, Pressure, Water Pressure
14 16-8M0000274 STUD, (M8 x 49)
15 11-826365 NUT, (M8)
16 22-885517A05 FITTING ASSEMBLY
17 25-892077 O-RING
Power Trim Components (16 parts) Power Trim Components
Ref OEM Part # Part Name
1 8M0118298 TRIM CYLINDER KIT
2 8M0118299 TRIM ROD KIT
3 896158A01 O-RING KIT
4 896159A01 PISTON KIT
5 896166A01 MANIFOLD KIT, Trim
6 896165A01 CHECK KIT, Trim PO
7 896160A01 O-RING KIT
8 896163A01 PUMP KIT, Trim
9 35-896164A01 TRIM FILTER KIT
10 896162A01 TRIM NECK KIT
11 25-895854A01 O-RING KIT
12 19-893419 CAP KIT
13 8M0224397 MANUAL RELEASE KIT
14 17-893408A01 PIN KIT, Trim
15 896161A02 TRIM MOTOR KIT Comment: SN# 1B245343 & Up
16 896167A01 RESERVOIR KIT
Power Trim/Steering Cylinder (48 parts) Power Trim/Steering Cylinder
Ref OEM Part # Part Name
- NSS NOT SOLD SEPARATE, Transom Assembly
1 880652T02 PEDESTAL
2 896500A01 STEERING CYLINDER KIT Comment: (Standard)
3 8M0168425 RETAINER
4 12-895853 WASHER
5 10-88509530 SCREW, (M8 x 30)
6 22-889552 ELBOW Comment: (Standard)
7 889550 CAP, Bleeder - Vinyl Comment: (Standard)
8 25-8M0155530 SEAL
9 8M0045604 SEAL KIT, Steering Cylinder
10 22-892524 CAP, Fitting Comment: (Standard)
11 31-8M0217557 BEARING
12 26-8M0217558 SEAL
13 31-8M0217560 BEARING
14 880654T03 HEAD, Steering
15 31-8806551 BEARING, (1.25 Inch)
16 10-885094105 SCREW, (M14 x 105)
17 12-8M0217559 WASHER
18 88238T23 CABLE ASSEMBLY
19 12-8M0161430 WASHER
20 10-4010720 SCREW, (M8 x 20)
21 12-72397 WASHER
22 896120T PLATE, Deflector (Silver)
23 10-4000327 SCREW, (M6 x 14)
24 97-893404 ANODE
25 8M0220571 TUBE, Steering
26 17-885111 PIN, Dowel (.375 x .875)
27 880658T03 POWER TRIM ASSEMBLY Comment: SN# 1B245343 & Up
28 25-895854 O-RING
29 97-880653 ANODE
30 12-889549 WASHER
31 10-889543016 BOLT
32 10-88510450 SCREW
33 88238T24 CABLE ASSEMBLY
34 8M0217564 COVER Comment: (Counter Rotation)
35 880665T01 ARM, Steering
36 17-895390 TILT PIN
37 53-8M0038931 RING, Retaining
38 NSS NOT SOLD SEPARATE, Decal-Serial Overlaminate
39 10-8M0038370 SCREW, (.500-20 x 5.500)
40 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
41 12-8M0204704 WASHER
42 11-82671117 NUT, (.500-20)
43 17-8M0146467 PIN
44 17-821539 PIN, Trilobe
45 53-895304 RING, Retaining
46 31-8806641 BEARING, (.625 Inch)
47 19-95925 PLUG
Powerhead Gasket Set Components (1 parts) Powerhead Gasket Set Components
Ref OEM Part # Part Name
- 25-8M0034912 O-RING, Oil Pump Driveshaft
Rear Cowl (25 parts) Rear Cowl
Ref OEM Part # Part Name
1 100-8M0050001 COWL ASSEMBLY, Rear
2 17-888961A01 PIN ASSEMBLY
3 11-892233 NUT, (M6) Stainless Steel
4 885360 IDLE RELIEF
5 893343001 SEAL, Port
6 893344001 SEAL, Starboard
7 885356T03 INTAKE, Air - Port
8 885357T03 INTAKE, Air - Starboard
9 27-892315 GASKET
10 8M0043266 SEAL
11 25-888957 O-RING
12 8M0224266 TETHER
13 87-8M0235191 SWITCH, Trim
14 8M0215105 PLUG, Flush
15 11-892233 NUT, (M6) Stainless Steel
16 12-8M0214930 WASHER
17 22-885361A01 FITTING ASSEMBLY, Flush
18 10-4006731 SCREW, (M6 x 16)
19 54-858951A01 CLAMP KIT
20 12-8M0214930 WASHER
21 10-4006731 SCREW, (M6 x 16)
22 11-892233 NUT, (M6) Stainless Steel
23 8M0214997 ADAPTOR
24 25-8M0214987 GROMMET
25 8M4501634 SOUND BLANKET KIT, Component of 885358T04
Service/Support Material (1 parts) Service/Support Material
Ref OEM Part # Part Name
- 37-895282A06 DECAL, EPA Label Information
Starboard Cylinder Block/Oil Cooler (36 parts) Starboard Cylinder Block/Oil Cooler
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 892404A05 DEFLECTOR ASSEMBLY, Water
2 22-885518A02 FITTING ASSEMBLY
3 25-62701 O-RING
4 10-8M0103805 SCREW, (M6 x 16 MM) Stainless Steel
5 54-888988011 CLAMP, (38.1 mm)
6 32-888930003 HOSE
7 54-8M0187145 CLAMP, (34.6 mm)
8 8M0174561 THERMOSTAT ASSEMBLY
9 25-8M0005958 O-RING
10 54-8M0204719 CLAMP, (36.1 mm)
11 32-892865 HOSE, Thermostat
12 54-888988007 CLAMP, (42.5 mm)
13 35-8M0062950 FILTER, Fuel
14 35-8M0122423 FILTER, Fuel
15 54-816311T TIE STRAP, (8.00 Inches)
16 22-892356 CONNECTOR
17 19-863156 GRAB TAB
18 32-8M0150200 HOSE, Fuel to Lift Pump
19 892147001 BRACKET
20 10-8M0103824 SCREW, (M10 x 85)
21 10-8M0103820 SCREW, (M10 x 105)
22 32-8M0043788 HOSE, Fuel Inlet
23 8M0132390 MODULE ASSEMBLY, Intergrated Oil - Complete
24 35-877769K01 FILTER, Oil
25 8M0046694 HOUSING ASSEMBLY, Intergrated Oil Module
26 10-8M0041014 SCREW, (M6 x 18)
27 27-8M0034568 GASKET
28 880640A06 THERMOSTAT/GUIDE KIT
29 880640508 THERMOSTAT
30 892801T53 OVERHAUL KIT
31 27-8M0034568 GASKET
32 25-8M0071635 O-RING KIT
33 895032 STRAP
34 10-8M0041014 SCREW, (M6 x 18)
35 10-8M0103807 SCREW, (M6 x 25 MM) Stainless Steel
Starter Motor/Electrical Cable Bracket Mounting (24 parts) Starter Motor/Electrical Cable Bracket Mounting
Ref OEM Part # Part Name
- 61-895247A06 POWERHEAD ASSEMBLY
1 50-892339T01 STARTER MOTOR ASSEMBLY
2 NSS NOT SOLD SEPARATE
3 43-880805A1 GEAR KIT
4 809463A1 SOLENOID KIT
5 23-8M0034918 COLLAR
6 8M0043276 STOP
7 NSS NOT SOLD SEPARATE, Decal-Waring-High Voltage
8 84-93388A1 CABLE ASSEMBLY, (6.00 Inches) Black
9 10-69035 SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel
10 13-8M0204647 LOCKWASHER, (.312)
11 11-400213 NUT, (M8) Stainless Steel
12 13-400255 LOCKWASHER, (M5)
13 11-400211 NUT, (M5) Stainless Steel
14 889666A01 BRACKET, Electrical Cable
15 23-8502341 BUSHING
16 25-833155 GROMMET
17 54-879962 CLIP
18 10-8M0103814 SCREW, (M8 x 35 MM)
19 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
20 23-8502341 BUSHING
21 10-8M0103814 SCREW, (M8 x 35 MM)
22 12-817274 WASHER, (.344 x 1.00 x .063) Stainless Steel
23 25-833155 GROMMET
SuperCharger (12 parts) SuperCharger
Ref OEM Part # Part Name
- 8M0045222 END CAP KIT, Supercharger Comment: SN# 1B390143 & Up
1 8M0103744 SUPERCHARGER KIT
2 8M0148668 SENSOR ASSEMBLY
3 25-896699 O-RING, (.351 x .072)
4 888947A05 DUCT KIT, Inlet
5 27-888947501 GASKET
6 888947A04 OUTLET DUCT KIT
7 27-888947504 GASKET
8 10-888947502 BOLT
9 23-847803A02 BUSHING/GASKET KIT
10 10-8M0103820 SCREW, (M10 x 105)
11 56762 TIE STRAP, (4.00 Inches)
Tools (1 parts) Tools
Ref OEM Part # Part Name
- 889283A01 TOOL KIT, Fuel Priming
Top Cowl (19 parts) Top Cowl
Ref OEM Part # Part Name
- 37-895255A07 DECAL SET, (Mariner 275)
1 100-8M0050000 TOP COWL ASSEMBLY Comment: (Mariner)
2 895838T CAP, Air Dam Comment: (Mariner)
3 888971 FRONT LATCH RECEIVER
4 8M0111178 SEAL, Top Cowl
5 888951 CABLE
6 17-888959 PIN, Hinge
7 888956 LATCH, Hand Lever
8 24-895373 SPRING
9 888955 LINK, Latch Connecting
10 18-26953 COTTER PIN
11 12-89302 WASHER, (.203 x .406 x .040)
12 888952 LINKAGE ARM
13 24-888953 SPRING
14 17-822417 PIN
15 10-888950020 SCREW, (M4 x 20 mm) (M4 x 1.75)
16 895839 APPLIQUE, Port Comment: (Mariner)
17 895840 APPLIQUE, Starboard Comment: (Mariner)
18 10-4010610 SCREW, (M6 x 10) Stainless Steel
Upper Shift Components (22 parts) Upper Shift Components
Ref OEM Part # Part Name
- 888994T04 BRACKET ASSEMBLY, Front Mount
1 NSS NOT SOLD SEPARATE, Bracket
2 23-892417 BUSHING
3 23-8M0047763 SPACER
4 885506001 SHIFT SHAFT
5 889727001 BELL CRANK
6 17-25319 PIN, (.125 x 0.75 Inches)
7 25-833155 GROMMET
8 87-8M0207794 SWITCH
9 10-88075020 SCREW, (M3 x 20)
10 23-85999 BUSHING
11 8M0124413 SHIFT ACTUATOR
12 10-8855091 SCREW
13 18-885512 COTTER PIN
14 12-885511003 WASHER
15 17-895770 Pin, Pivot
16 10-8M0207826 SCREW, (M10 x 155)
17 10-8M0103802 SCREW, (M14)
18 11-401386 NUT, (M6) Stainless Steel
19 23-97896 BUSHING
20 885505 LINK, Shift Shaft
21 8M0180097 SHIFT SHAFT, (XX-Long) Comment: (XX-Long)

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 250 VERADO (4-STROKE)(6 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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