Mercury 70 (3 CYL.) (0B240451 THRU 0C221999) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 70 (3 CYL.). Scroll down for exploded parts diagrams (27), specifications, and maintenance reference.

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8M0251125 Maintenance Kit for Mercury 30HP 40HP | JLM Marine
8M0251125 Maintenance Kit for Mercury 30HP 40HP | JLM Marine
$68.50
$68.50
files/kit-25KM198-2N_dabab56d-310c-4f0d-942d-a467765742a0.pngDefault Title
$68.50
8M0251123 Water Pump Impeller Kit for Mercury Bigfoot Lightning Marathon Super15 SeaPro | JLM Marine
8M0251123 Water Pump Impeller Kit for Mercury Bigfoot Lightning Marathon Super15 SeaPro | JLM Marine
$68.50
$68.50
files/kit-25KM195-2N_71662689-3585-445c-98a8-4de3abf691a4.pngDefault Title
$68.50
8M0097857 Service Kit for Mercury | JLM Marine
8M0097857 Service Kit for Mercury | JLM Marine
$68.50
$68.50
files/kit-23KM781-4N_0279e2f8-e0d8-4b22-a926-21a7be30f5c1.pngDefault Title
$68.50
AMKITMER323 Annual Maintenance Kit for Mercury 9.9HP 13.5HP 15HP | JLM Marine
AMKITMER323 Annual Maintenance Kit for Mercury 9.9HP 13.5HP 15HP | JLM Marine
$68.50
$68.50
files/kit-23KM776-4N_77fcbe8a-d5c8-4f25-b3bb-7a0e9ccebede.pngDefault Title
$68.50
8M0120867 Maintenance Kit for Mercury 8HP 9.9HP 15HP 20HP Command Thrust | JLM Marine
8M0120867 Maintenance Kit for Mercury 8HP 9.9HP 15HP 20HP Command Thrust | JLM Marine
$68.50
$68.50
files/kit-23KM773-4N_fffc370d-57ef-443b-8e26-770e764dd409.pngDefault Title
$68.50
8M0181316 Maintenance Kit for Mercury 8HP 9.9HP | JLM Marine
8M0181316 Maintenance Kit for Mercury 8HP 9.9HP | JLM Marine
$68.50
$68.50
files/kit-23KM772-4N_3ab7931f-955d-4041-a46b-266974344a7b.pngDefault Title
$68.50
8M0181315 Maintenance Kit for Mercury 4HP 5HP 6HP 4-Stroke | JLM Marine
8M0181315 Maintenance Kit for Mercury 4HP 5HP 6HP 4-Stroke | JLM Marine
$68.50
$68.50
files/kit-23KM771-4N_78ebfc47-2fbf-460e-834a-362ab0b58149.pngDefault Title
$68.50
23KH763-4N Kit Image
06211-ZZ0-505 Maintenance Kit for Honda BF80A BF100A | JLM Marine
$82.50
$82.50
files/kit-23KH763-4N.pngDefault Title
$82.50
06211-ZY2-506 Maintenance Kit for Honda BF175A BF200A BF225A | JLM Marine
06211-ZY2-506 Maintenance Kit for Honda BF175A BF200A BF225A | JLM Marine
$83.50
$83.50
files/kit-23KH762-4N.pngDefault Title
$83.50
06211-ZY5-505 Maintenance Kit for Honda BF135A BF150A | JLM Marine
06211-ZY5-505 Maintenance Kit for Honda BF135A BF150A | JLM Marine
$82.50
$82.50
files/kit-23KH761-4N.pngDefault Title
$82.50
06211-ZW5-505 Maintenance Kit for Honda BF115A BF130A | JLM Marine
06211-ZW5-505 Maintenance Kit for Honda BF115A BF130A | JLM Marine
$82.50
$82.50
files/kit-23KH760-4N.pngDefault Title
$82.50
06211-ZW0-505 Maintenance Kit for Honda BF75A BF90A | JLM Marine
06211-ZW0-505 Maintenance Kit for Honda BF75A BF90A | JLM Marine
$71.50
$71.50
files/kit-23KH758-4N.pngDefault Title
$71.50
27-151724 Carburetor Intake Gasket for Mercury Mariner 75HP 80HP 90HP 115HP | JLM Marine
27-151724 Carburetor Intake Gasket for Mercury Mariner 75HP 80HP 90HP 115HP | JLM Marine
$20.24
$20.24
files/WechatIMG971_1724232605.pngDefault Title
$20.24

Mercury 70 (3 CYL.) (0B240451 THRU 0C221999) Parts & Diagrams

🔎 Mercury 70 (3 CYL.) Reference Library — Exploded parts diagrams (27 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 70 (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 70 HP
Displacement 1165 cc
Bore x Stroke 86 mm x 67 mm
Spark Plug (Type & Gap) NGK BUHW-2
Engine Oil Capacity —
Recommended Engine Oil Quicksilver Premium 2-Cycle TC-W3
Gear Case Oil Capacity —
Idle Speed (in gear) 650–700 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 70 (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 70 (3 CYL.).

▶Carburetor (27 parts) Carburetor
Ref OEM Part # Part Name
- 1395-8236354 REPAIR KIT
1 3301-9012A66 CARBURETOR ASSEMBLY, Bottom, 90, WME-15
2 NSS NOT SOLD SEPARATE, Gasket, Fuel Bowl
3 NSS NOT SOLD SEPARATE, Retaining Ring
4 1395-811693 BOWL, Fuel, Center, Lower
5 1395-9591 SHAFT, Throttle, Upper, Lower
6 19270 SHAFT, Throttle, Center
7 1395-811216 VALVE, Throttle, 90, WME-15
8 1395-9594 FLOAT
9 NSS NOT SOLD SEPARATE, Float Shaft
10 1395-879194011 VALVE, Inlet Needle
11 1395-811694 PLUG, Main Jet
12 NSS NOT SOLD SEPARATE, Gasket, Plug
13 NSS NOT SOLD SEPARATE, Gasket, Cover Plate
14 27-151724 GASKET, Flange
15 NSS NOT SOLD SEPARATE, Screw, Throttle Valve
16 1395-9597 SCREW, Cover Plate
17 1395-808612 SCREW, Fuel Bowl
18 1395-9598 COVER PLATE
19 1399-4215 JET, Main Fuel (.066), Main Fuel, 90 - WME-15
20 1395-8423 JET, (.094), Vent, .094
21 NSS NOT SOLD SEPARATE, Gasket, Nozzle Well
22 NSS NOT SOLD SEPARATE, Spring, Idle Needle
23 NSS NOT SOLD SEPARATE, Spring, Throttle Return
24 NSS NOT SOLD SEPARATE, Spring, Idle Air
25 NSS NOT SOLD SEPARATE, Idle Needle
26 NSS NOT SOLD SEPARATE, Idle Air Needle
▶Carburetor And Attenuator Plate (24 parts) Carburetor And Attenuator Plate
Ref OEM Part # Part Name
1 3301-9012A64 CARBURETOR ASSEMBLY, Top, 90, WME-15
2 3301-9012A65 CARBURETOR ASSEMBLY, Center, 90, WME-15
3 3301-9012A66 CARBURETOR ASSEMBLY, Bottom, 90, WME-15
4 12-8M0204666 WASHER, (.203 x .500 x .032), Link Screw
5 27-151724 GASKET, Carburetor To Attenator Plate
6 32-9912878 TUBING, Carburetor To Carburetor
7 54-816311T TIE STRAP
8 8M0084744 LINK ROD
9 11399A1 ARM ASSEMBLY
10 10-40057103 SCREW, (M5 x 6), Arm
11 12-8M0204666 WASHER, (.203 x .500 x .032), Arm Screw
12 67748 ROLLER
13 98886T01 LINK, Adjusting
14 98887T LINK, Throttle
15 10-48409 SCREW, (#10-16 x .625) Stainless Steel, Link
16 42970A2 PLATE ASSEMBLY, Sound Attenuator
17 12-4002217 WASHER, Carburetor Studs
18 11-401388 NUT, Carburetor Studs
19 39519 CUP, Retainer
20 98889 LATCH, Control Cable
21 10-42975 DRIVE SCREW, Latch To Plate
22 27-430001 GASKET, Attenuator Cover
23 42969A3 COVER, Attenuator
24 10-48409 SCREW, (#10-16 x .625) Stainless Steel, Attenuator Cover
▶Co-Pilot (11 parts) Co-Pilot
Ref OEM Part # Part Name
- 56-52148A7 CO-PILOT ASSEMBLY
1 52148 PILOT ROD
2 11-52155A1 NUT ASSEMBLY
3 10-36154 SCREW, (.250-28 x 1.380)
4 11-52152 WING NUT
5 873491 ROD
6 23-521512 BUSHING
7 12-20722 WASHER, (.328 x .625 x .060)
8 11-826709111 NUT, (.312-24)
9 12-20722 WASHER, (.328 x .625 x .060)
10 11-826709111 NUT, (.312-24)
▶Cowl Mounting Brackets (27 parts) Cowl Mounting Brackets
Ref OEM Part # Part Name
1 42965A2 BRACKET ASSEMBLY, Cowl Seal, Oyster
2 193861 SEAL, Bracket, Oyster
3 42935 SEAL
4 42908 RESTRAINT
5 10-400015 SCREW, (M5 x 10), Restraint
6 12-42118 WASHER, Restraint Screw
7 429071 CONNECTOR, Tell Tale, Oyster
8 32-8M0108349 TUBING, Tell Tale
9 54-816311T TIE STRAP
10 932642 HOUSING, Hinge
11 10-8M0103817 SCREW, Housing
12 12-814803 WASHER, Housing Screw
13 12-8M0204690 WASHER, Housing Screw
14 25-88033 GROMMET, Housing Screw
15 23-14395 BUSHING, Housing Screw
16 10-4000123 SCREW, (M5 x 30), Housing To Bracket
17 12-42118 WASHER, Housing Screw
18 42952T6 BRACKET, Support, Front, Oyster
19 67260 SEAL, Control Cables
20 25-67272 GROMMET, Bracket
21 99447 RETAINER, Control Cables, Power Trim
22 10-40011109 SCREW, (M5 x 25), Retainer
23 10-82127335 SCREW, (M8 x 1.25 x 35) , Retainer
24 12-814803 WASHER, Bracket Screw
25 12-8M0204690 WASHER, Bracket Screw
26 25-88033 GROMMET, Bracket
27 23-14395 BUSHING, Bracket Screw
▶Cowls and Front Cover (36 parts) Cowls and Front Cover
Ref OEM Part # Part Name
1 2188-9006A3 TOP COWL ASSEMBLY, Port, Oyster
2 429404 SEAL, Upper Cowl
3 12401 SEAL, Cowl, Rear
4 90274 SEAL
5 429581 SHIELD OYSTER, Air Inlet, Oyster
6 10-48409 SCREW, (#10-16 x .625) Stainless Steel, Shield
7 12-4002313 WASHER, Shield Screw
8 435331 SOUND BLANKET
9 193681 SEAL, (3.20 Inch), Oyster
10 2187-9070A5 TOP COWL ASSEMBLY, Starboard, Oyster
11 11315A1 OIL LEVEL GAUGE ASSEMBLY
12 11-11316 SPEED NUT
12A 113171 RETAINER
13 10-48409 SCREW, (#10-16 x .625) Stainless Steel, Shield
14 12-4002313 WASHER, Shield Screw
15 435342 SOUND BLANKET, Black, Gray
16 193681 SEAL, (3.20 Inch), Oyster
17 42905 GROMMET, Handle Models
18 812431 PLUG, Handle Models
19 26-60297 SEAL
20 42957 SHIELD, Air Inlet
21 47341A11 ROPE AND HANDLE KIT, Manual/Emergency Start, Manual Starting
22 43138A3 COVER ASSEMBLY, Oyster
23 12356 BUMPER
24 24-17288 SPRING, Cover
25 43137A1 BRACKET ASSEMBLY
26 11-434181 SPEED NUT
27 15432 RETAINER, Bracket
28 17-43134 PIN, Bracket
29 10-48409 SCREW, (#10-16 x .625) Stainless Steel
30 12-8M0204690 WASHER
31 87985 BRACKET, Lower
32 879871 BRACKET, Upper
33 10-40011149 SCREW, Bracket
34 120811 LATCH, Cowl
35 37-179061 EMBLEM, Oyster
▶Crankshaft, Pistons/Connecting Rods (#638-8532--1) (22 parts) Crankshaft, Pistons/Connecting Rods (#638-8532--1)
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 472-9001T3 CRANKSHAFT ASSEMBLY
2 30-43011T BEARING, Ball, Crankshaft, Lower
3 53-93412 RING, Retaining, Ball Bearing
4 25-35126 O-RING, (.859 x .139), New Design
4A 54196A6 CARRIER ASSEMBLY, Seal, Old Design
5 65800 PACKING, Carrier, Old Design
6 28-91800 KEY, Woodruff, Drive
7 43-43019A1 GEAR ASSEMBLY
8 39-42079A4 RING ASSEMBLY, Sealing
9 42943A1 BEARING ASSEMBLY, Roller
10 777-9009A7 PISTON ASSEMBLY (.030) Oversize
11 53-857196 RING, Lock, Piston
12 39-96170A4 RING SET, Piston (.030) Oversize
13 638-9002A6 CONNECTING ROD ASSEMBLY
14 12-8M0032839 WASHER, Needle Locating
15 29-8M0204715 NEEDLE, Roller Bearing, Piston End
16 10-94320 SCREW, Connecting Rod
17 31-844338A01 BEARING/CAGE KIT, Crankshaft End
18 31-43013T3 BEARING ASSEMBLY, Roller, Upper
19 26-8M0214932 SEAL, Oil
20 25-823683 O-RING
▶Crankshaft, Pistons/Connecting Rods (#646-818846) (19 parts) Crankshaft, Pistons/Connecting Rods (#646-818846)
Ref OEM Part # Part Name
1 472-9001T3 CRANKSHAFT ASSEMBLY
2 30-43011T BEARING, Ball, Lower
3 786611 WEAR SLEEVE
4 25-35126 O-RING, (.859 x .139)
5 39-818412A4 RING ASSEMBLY
6 28-91800 KEY, Woodruff
7 43-43019A1 GEAR ASSEMBLY
8 31-43013T3 BEARING ASSEMBLY, Roller, Upper
9 26-8M0214932 SEAL, Oil
10 25-823683 O-RING, (1.989 x .070)
11 42943A1 BEARING ASSEMBLY, Roller
12 777-815965A6 PISTON ASSEMBLY (.030) Oversize
13 53-857196 RING, Lock
14 39-96170A4 RING SET, Piston (.030) Oversize
15 646-818846T6 CONNECTING ROD ASSEMBLY
16 12-8M0012298 WASHER
17 29-8M0214954 BEARING, Needle
18 10-94320 SCREW, (.375-24 x 1.250)
19 31-844338A01 BEARING ASSEMBLY, Roller
▶Cylinder Block and Crankcase (50 parts) Cylinder Block and Crankcase
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 876-8947T51 CYLINDER BLOCK, 90 Comment: (Use With WME-15 Carburetor)
2 10-4009680 SCREW, (M10 x 80), Crankcase To Cylinder Block
3 17-8M0036405 PIN, Bearing Race
4 17-43044 PIN, Dowel, Locating
5 428841 COVER, Starter, Top
6 76867 COVER, Starter, Bottom
7 10-81742750 SCREW, Starter Cover
8 65848 CARRIER, Poppet Valve
9 25-64872 GROMMET, Poppet Valve
10 22-814204A1 BLEED SYSTEM KIT
10A 21-42657A3 CHECK VALVE, Crankcase
11 10-814776 SCREW, Adjusting
12 11-400212 NUT, Jam, Adjusting Screw
13 42942 CAP, Adjusting Screw
14 21-426233 CHECK VALVE, Press-In
15 16-821676A1 SCREW, Block, Screw Attachment
15A 16-821676A1 STUD, Block, Stud Attachment
16 12-8M0214963 WASHER, (.406 x .750 x .104), Block Stud, Stud Attachment
17 11-40140 NUT, (M10), Block Stud, Stud Attachment
18 1034-9003A2 COVER, Cylinder Block
19 27-430057 GASKET, Cylinder Block Cover
20 10-82127335 SCREW, (M8 x 1.25 x 35) , Cylinder Block Cover
21 54-47483 J CLIP, Cylinder Block Cover Screw
22 78799 SENDER, Temperature (19.50 Inch)
23 44290T RETAINER, Temperature Sender
24 10-48409 SCREW, (#10-16 x .625) Stainless Steel, Retainer
25 12-8M0204666 WASHER, (.203 x .500 x .032), Retainer Screw
26 86596 POPPET VALVE
27 648771 DIAPHRAGM
28 12-94182 WASHER
29 10-69570 SCREW, (#10-16 x .750)
30 24-42996 SPRING, (Stainless Steel), Compression, Poppet Valve
31 75692 THERMOSTAT (143)
32 27-8M0204714 GASKET, Thermostat
33 27-430068 GASKET, Thermostat Cover
34 8M0047619 COVER, Thermostat
35 10-82127335 SCREW, (M8 x 1.25 x 35) , Thermostat Cover
36 12621 COVER, Oil Pad, Non Oil Injection
37 27-126201 GASKET, Cover, Non Oil Injection
38 10-40007106 SCREW, (M5 x 13), Cover, Non Oil Injection
39 12-4002314 WASHER, Cover Screw, Non Oil Injection
40 14857A16 MODULE, Oil Warning
41 10-4010630 SCREW, (M6 x 30) Stainless Steel, Oil Warning Module
42 22-328022 PLUG, Pipe (.125-27), Black, Gray
43 12415 SENDER, Temperature Comment: Oyster, Power Boat
44 84-88824A6 CABLE ASSEMBLY, Temperature Sender Comment: Oyster, Power Boat
45 32-892024122 TUBING, (20.00 Feet Bulk), Bleed
46 10-82127335 SCREW, (M8 x 1.25 x 35) , Crankcase To Cylinder Block
47 99162001 BOOT, Oil Tank
▶Driveshaft Housing (40 parts) Driveshaft Housing
Ref OEM Part # Part Name
-- 12092A4 SPACER KIT, Drive Shaft Housing X-Long (Gray)
1 1598-8974T23 HOUSING ASSEMBLY, Driveshaft, Oyster
2 16-903502 STUD, (M10 x 227), Drive Shaft Housing, X-Long
3 10-4000380 SCREW, (M10 x 45), Gear Housing, Long, Black, Gray
3A 16-9035012 STUD, Gear Housing, Oyster
4 16-903503 STUD, (M10 x 190), Gear Housing, X-Long
5 12-45176 WASHER, Gear Housing Stud, Screw Comment: (Quantity Of Three On Oyster)
6 11-40140 NUT, (M10), Gear Housing Stud Comment: (X-Long, Quantity Of Five)
7 429222 GUIDE, Push Rod, Non Power Trim
7A 19-158641 PLUG, Power Trim, Oyster
8 22-85822A4 PICKUP ASSEMBLY, Speedometer
9 22-433351 CONNECTOR, 90 Degree (.125-27) Nylon
10 22-85822T CONNECTOR, Straight
11 14664A2 HOOK ASSEMBLY, Reverse, Non Power Trim
12 16686 PUSH ROD, Non Power Trim
13 99606 SHAFT, Reverse Lock, Non Power Trim
14 18-45882 COTTER PIN, Shaft, Non Power Trim
15 23-69132 BUSHING, Reverse Lock Shaft Comment: (Non Power Trim)
16 24-996261 SPRING, Reverse Lock, Non Power Trim
17 18-47959 COTTER PIN, Spring, Non Power Trim
18 12-8M0042642 WASHER, (.323 x .563 x .063) Stainless Steel, Push Rod, Non Power Trim
19 24-16733 SPRING (Push Rod Nut, Non Power Trim
20 996361 YOKE, Push Rod, Non Power Trim
21 11-82670911 NUT, (.312-24) Stainless Steel, Jam, Push Rod, Non Power Trim
22 17-99663 PIN, Clevis, Reverse Lock, Non Power Trim
23 18-25191 COTTER PIN, Clevis Pin, Non Power Trim
24 44343T1 MOUNT, Lower, X-Long
25 10-898835001 BOLT, (M12 x 154), Lower Mount
26 12-28051 WASHER, Lower Mount Bolt
27 12-28053 WASHER, Lower Mount Bolt
28 12-30119 WASHER, (.875 Inch Outside Diameter), Lower Mount Bolt
29 11-8M0204662 NUT, (M12), Lower Mount Bolt
30 88238A10 CABLE ASSEMBLY, Ground
31 10-41508 SCREW, (.250-20 x .500) Stainless Steel, Ground Wire
32 8M0036730 CLAMP, Lower Mount
33 11-35521 NUT, Nylon, Cover Screw
34 10-40011149 SCREW, Clamp
35 67077F1 COVER, Lower Mount, Oyster
36 10-88417 SCREW, (#12-24 x .620), Cover
37 18579T6 SPLASH PLATE, Oyster
▶Electrical Components (46 parts) Electrical Components
Ref OEM Part # Part Name
1 42968A23 PLATE, Ignition
2 332-7778A12 SWITCHBOX ASSEMBLY
3 10-69079 SCREW, (#10-16 x .440), Switch Box
4 10-40007110 SCREW, (M5 x 30), Switch Box
5 23-94304 SPACER, Switch Box Screw
6 10-32,11-45076 NUT, Brass, Switch Box Terminal
7 84-41592A4 HARNESS ASSEMBLY, Primary
8 84-813715A7 CABLE SET, Ignition, High Tension
9 85-63709A1 BOOT/TERMINAL KIT, Spark Plug
10 33-14103Q SPARK PLUG, Begium, Canada
11 10-82155025 SCREW, Ignition Plate
12 339-832757A4 COIL ASSEMBLY, Ignition
13 10-32,11-45076 NUT, Brass, Ignition Coil Terminal
14 43542 COVER, Ignition Coil
15 10-40007115 SCREW, (M5 x 55), Ignition Coil Cover
16 12-89302 WASHER, (.203 x .406 x .040), Coil Cover Screw
18 10-40056107 SCREW, (M5 x 16), Rectifier
19 10-32,11-45076 NUT, Brass, Rectifier Terminal
20 16731T01 MERCURY SWITCH ASSEMBLY
21 10-40056107 SCREW, (M5 x 16), Mercury Switch
22 86-45915 TERMINAL BLOCK
23 10-48408 SCREW, (#10-16 x .500), Terminal Block
24 84-41591A3 HARNESS ASSEMBLY, Engine
25 88-8M0207796 FUSE, 20 Ampere
26 84-88439A4 CABLE ASSEMBLY, Battery - Negative
27 8M0185622 SOLENOID, Starter
28 10-40007106 SCREW, (M5 x 13), Starter Solenoid
29 12-4002314 WASHER, Starter Solenoid Screw
30 84-88807A6 CABLE ASSEMBLY, (3.50 Inches) Black, Solenoid Screw Comment: (Quantity Of Two On Oyster)
31 13-26992 LOCKWASHER, (.250) Stainless Steel Comment: (Starter Solenoid Terminal)
32 11-64015 NUT, (.250-20), Starter Solenoid Terminal
33 8-32,11-26419 NUT, Brass, Starter Solenoid Terminal
34 84-88808A18 WIRE ASSEMBLY, (3.00 Inches), Rectifier To Solenoid, Red
35 124174 COVER, Ignition
36 10-40007114 SCREW, (M5 x 50), Ignition Cover
37 12-89302 WASHER, (.203 x .406 x .040), Ignition Cover Screw
38 134731 HOLDER, Fuse
39 68878A6 HORN ASSEMBLY, Buzzer Alarm, Electric Handle
40 68879 COVER, Electric Handle
41 10-40056107 SCREW, (M5 x 16), Electric Handle
42 8M0058226 RECTIFIER, See Note Below
43 17602A1 TERMINAL BLOCK, See Note Below
44 815279A2 REGULATOR ASSEMBLY, Voltage, Use With Reference Number 43
45 10-4010630 SCREW, Use With Reference Number 43
46 10-32,11-45076 NUT, Brass, Use With Reference Number 43
47 84-12201A2 HARNESS ASSEMBLY, Use With Reference Number 43
▶Exhaust Plate (35 parts) Exhaust Plate
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 42954A3 PLATE ASSEMBLY, Exhaust
2 17-23784 PIN, Dowel
3 42939 SEAL, Lower Cowl
4 881900T03 MOUNT, (2.375 Inch), Upper Comment: (Commercial)
5 10-81742750 SCREW, Upper Mount To Exhaust Plate
6 10-12515 SCREW, (M12 x 160), Upper Mount, Handle Models
7 12-32834 WASHER, Upper Mount Screw
8 12-8M0204648 WASHER, (1.5 x 3.05 x 0.13) Stainless Steel, Upper Mount Screw
9 11-896963 NUT, (M12), Upper Mount Screw
10 22-996642 ELBOW, Exhaust Plate
11 10-4010770 SCREW, (M8 x 70), Exhaust Plate
12 27-430086 GASKET, Exhaust Plate Comment: (Contents Of (27-43004A86) Gasket Set)
13 8141282 TUBE, Exhaust Comment: (90 - Use With WME-15 Carburetor)
14 10-4010735 SCREW, (M8 x 35), Exhaust Tube To Plate
15 8M0039075 SEAL, Exhaust Tube
16 32-430142 TUBE, Water, X-Long
17 99019 CLAMP, Water Tube Seal
18 42941001 SEAL, Water Tube, Upper
19 10-4010750 SCREW, (M8 x 50), Clamp
20 25-93221002 GROMMET, Water Tube Comment: (Contents Of (27-43004A86) Gasket Set)
21 42953A3 BRACKET ASSEMBLY, Cowl, Lower, Oyster
22 43405 SEAL, Lower, Cowl, Bracket
23 10-81742755 SCREW, Lower Cowl Bracket
24 23-48237 BUSHING, Shift Shaft
25 79932A9 SHIFT SHAFT ASSEMBLY, Upper
26 23-42994 BUSHING, Shift Shaft
27 42912A1 SHIFT LINK
28 13-29720 WAVE WASHER, Shift Shaft
29 12-24664 WASHER, (M4 x 20), Shift Shaft
30 11-401386 NUT, (M6), Shift Shaft
31 23-11289 SPACER, Shift Shaft, X-Long
32 43053 COUPLING, Shift Shaft, Non Power Trim
33 43585 COUPLING, Shift Shaft, Power Trim
34 25-8M0179867 GROMMET
▶Flywheel and Starter Motor (19 parts) Flywheel and Starter Motor
Ref OEM Part # Part Name
1 19-45907 PLUG, Yellow, Flywheel
2 42956A1 COVER ASSEMBLY, Flywheel
3 79022 MARKER, Timing
4 10-37572 SCREW, (.190-32 x .380), Timing Marker
5 12-72761 WASHER, (.203 x .562 x .060) Stainless Steel, Timing Marker Screw
6 11-42979 NUT, (M16), Flywheel
7 12-33001 WASHER, (.641 x 1.250 x .190), Flywheel
8 261-859234T30 FLYWHEEL ASSEMBLY
9 398-832075A5 STATOR ASSEMBLY, Stamped 398-9710A14
10 10-4007325 SCREW, (M5 x 25), Stator
11 99021A3 TRIGGER ASSEMBLY
12 50-893891T STARTER MOTOR ASSEMBLY
13 23-8M0034918 COLLAR, Starter Motor
14 8M0043376 STOP, Rubber, Starter Motor
15 84-93388A1 CABLE ASSEMBLY, (6.00 Inches) Black, Starter Motor To Plate
16 10-69035 SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel, Wire To Starter Motor
17 84-88439A20 WIRE, Starter Motor, Black
18 13-26992 LOCKWASHER, (.250) Stainless Steel, Starter Motor Terminal
19 11-64015 NUT, (.250-20), Starter Motor Terminal
▶Fuel Pump (34 parts) Fuel Pump
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 14360A78 PUMP ASSEMBLY, Fuel
2 42909A4 DIAPHRAGM KIT Comment: (Contents Of (27-43004A86) Gasket Set)
3 NSS NOT SOLD SEPARATE, Check Valve, Rubber
4 NSS NOT SOLD SEPARATE, Gasket, Boost
5 NSS NOT SOLD SEPARATE, Diaphragm
6 NSS NOT SOLD SEPARATE, Gasket Pulse
7 NSS NOT SOLD SEPARATE, Spring
8 NSS NOT SOLD SEPARATE, Cap
9 NSS NOT SOLD SEPARATE, Check Valve
10 NSS NOT SOLD SEPARATE, Retainer
11 NSS NOT SOLD SEPARATE, Spring
12 NSS NOT SOLD SEPARATE, Cap
13 27-8M0204705 GASKET, Base Comment: (Contents Of 27-43004A86) Gasket Set
14 98768 BASE, Fuel Pump
15 98775A1 PLATE, Fuel Pump
16 21-424811 CHECK VALVE, Oil Injection
17 22-19688 FITTING
18 10-82104540 SCREW, Fuel Pump
19 10-40057134 SCREW, (M6 x 50), Fuel Pump To Crankcase
20 32-8M0108349 TUBING
21 35-816296Q2 FILTER, Fuel
22 54-816311T TIE STRAP, Fuel Tubing
23 22-816856Q3 CONNECTOR, Fuel
24 25-145091 GROMMET, Fuel Connector
25 10-4010635 SCREW, Fuel Connector
26 89-819503A2 VALVE, Enrichner
27 32-1430165 TUBING, (38.00 Inches Bulk), Enrichner Valve
28 54-15279 CLAMP, Enrichner Valve
29 10-82127335 SCREW, (M8 x 1.25 x 35) , Clamp
30 22-64705 FITTING, Fuel Line Comment: (A = To Crankcase)
31 32-8M0108355 LINE, (57.00 Inches Bulk)
32 22-56800 PLUG, Pipe (.0625-27), Non Oil Injection
33 32-19017A1 LINE ASSEMBLY, Fuel Comment: (B = To Carburetor)
▶Gear Housing, Driveshaft (42 parts) Gear Housing, Driveshaft
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 1667-9011T74 GEAR HOUSING ASSEMBLY, Oyster
2 17-8M0084244 PIN, Dowel - With Hole (.375 x .625) , Front, Quanitity Of Two On X-Long
3 10-28653 SCREW, (#10-32 x 0.25), Vent
4 19643 SEAL, Vent Screw
5 10-79953Q04 SCREW, (.375-16 x .250), Grease Filler
6 12-191833 WASHER, Fiber, Drain/Filler Screw
7 22-8M0058389 SCREW, Magnetic, Drain
8 17-43044 PIN, Dowel - Without Hole (.375 x .625), Rear, Quantity Of Two On X-Long
9 97-31640Q4 TRIM TAB ASSEMBLY
10 10-825427 SCREW, (.437-14 x 1.250), Trim Tab
11 12-45176 WASHER, (.453 x .812 x .105) Stainless Steel, Trim Tab Screw
12 43040T1 CARRIER ASSEMBLY, Roller Bearing
12A 43046 TUBE, Oiler
13 43-44484T GEAR, Pinion (13 Teeth)
14 11-35921 NUT, (.625-18), Pinion GearTo Drive Shaft
15 760394 CAM, Shift Control
16 31-42677A1 BEARING ASSEMBLY, Tapered Roller
17 15-44492A1 SHIM SET
18 45-43032A4 DRIVESHAFT ASSEMBLY, X-Long
19 42461A1 SLEEVE/RING KIT
20 43055A4 COVER ASSEMBLY, Aluminum Cover
21 27-8M0214931 GASKET, Cover, Alluminum Cover
22 26-43036 SEAL, Oil, Lower, Plastic Cover
23 26-43035 SEAL, Oil, Upper, Plastic Cover
24 27-430331 GASKET, Cover, Alluminum Cover
25 27-430341 GASKET, Aluminum Cover, Water Pump, Plastic Cover
26 43050 FACE PLATE
27 28-8M0204723 KEY, Impeller Drive
28 47-43026T2 IMPELLER
29 817275A2 PUMP ASSEMBLY, Water
30 8M0204658 SEAL, Water Tube
31 10-8M0204707 SCREW, (M6 x 25), Cover
32 10-4000332 SCREW, (M6 x 35), Water Pump
33 12-4002315 WASHER, (6.60 X 12.5 X 1.5 mm -SS)
34 23-8M0204659 INSULATOR, Water Pump Screw
35 43049A1 SHIFT SHAFT ASSEMBLY, X-Long
36 53-29641 E RING, Shift Shaft
37 23-43052A4 BUSHING ASSEMBLY, Shift Shaft
38 25-8M0204681 O-RING, (1.424 x .103), Bushing
39 26-8M0204708 SEAL, Oil, Bushing
40 10-8M0204741 SCREW, (M6 x 20) Stainless Steel, Bushing
▶Gear Housing, Propeller Shaft (27 parts) Gear Housing, Propeller Shaft
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 1667-9011T74 GEAR HOUSING ASSEMBLY, Oyster
41 15-44491A1 SHIM SET
42 31-30894A1 BEARING SET, Cup And Cone
43 43-12634T02 GEAR ASSEMBLY, Forward
44 31-30895T BEARING, Needle
45 850315A1 FOLLOWER KIT, Cam
45A 30-44530 BALL
46 24-30622 SPRING
47 52-822539T RATCHET
48 17-8M0100263 PIN, Cross, Clutch
49 24-30893 SPRING, Cross Pin Retainer
50 44-12238T PROPELLER SHAFT
51 43-12635T GEAR, Reverse
52 8M0168901 CARRIER ASSEMBLY, Bearing
53 25-8M0214974 O-RING, (3.609 x .139)
54 31-30956T BEARING, Needle
55 26-8M0204670 SEAL, Inner
56 26-8M0205729 SEAL, Oil, Outer
57 31-12578T BEARING, Needle
58 12-12577 THRUST WASHER
59 31-12576 BEARING, Thrust
60 10-4000354 SCREW, (M8 x 30), Bearing Carrier
61 12-4002317 WASHER, Bearing Carrier Screw
62 13191Q01 THRUST WASHER
63 14-816629Q TAB WASHER, Propeller
64 11-52707Q1 PROP NUT KIT, (.750-16)
▶Induction Manifold and Reed Block (39 parts) Induction Manifold and Reed Block
Ref OEM Part # Part Name
- 27-43004A99 GASKET SET
1 27-43004009 GASKET, Baffle Plate
2 428791 PLATE, Baffle
3 42878A2 COVER, Exhaust Manifold
4 10-82127335 SCREW, (M8 x 1.25 x 35) , Exhaust Manifold, Baffle Plate
5 42881A1 SHIFT RAIL ASSEMBLY
6 14-42981 TAB WASHER
7 10-40001134 SCREW, (M8 x 25), Shift Rail
8 988851 SLIDE, Shift Control
9 23-42994 BUSHING, Slide
10 13-29720 WAVE WASHER, Slide
11 12-24664 WASHER, (M4 x 20), Slide
12 11-401386 NUT, (M6)
13 12-35459 WASHER
14 11-401386 NUT, (M6)
15 1169-858552T2 END CAP ASSEMBLY, Lower
16 21-426585 CHECK VALVE
17 26-41953 SEAL
18 25-54029 O-RING, (2.800 x .103)
19 10-4010825 SCREW, Lower End Cap
20 27-430075 GASKET, Powerhead
22 884296T MANIFOLD, Induction
23 42923 BRACKET, Flywheel Cover
24 10-82127335 SCREW, (M8 x 1.25 x 35) , Manifold
25 10-81742740 SCREW, Bracket And Manifold
26 16-8M0045410 STUD, Flywheel Cover
27 12-8M0204663 WASHER, Cover Stud
28 12-22887 WASHER, Cover Stud
29 11-816874 WING NUT, Cover Stud
30 16-824470 STUD, Carburetor
31 22-996642 ELBOW
32 32-8M0108349 TUBING
33 22-432881 TEE
34 8M0219198 REED BLOCK ASSEMBLY (75/80/90) Handle
35 27-139376 GASKET, Reed Block
36 34-43018A1 REED SET (75/80/90) Handle
37 14-429821 TAB WASHER
38 42924 RETAINER, Reed
39 10-4000171 SCREW, (M6 x 16), Reed To Reed Block
▶Miscellaneous Parts/Accessories (1 parts) Miscellaneous Parts/Accessories
Ref OEM Part # Part Name
- 90-18313880 OWNERS GUIDE, Oyster
▶Oil Injection Components (27 parts) Oil Injection Components
Ref OEM Part # Part Name
1 1255-8627A7 TANK ASSEMBLY, Oil
2 99160001 BOOT, Oil Tank, Upper
3 44437 COVER
4 988952 BRACKET, Oil Tank, Upper
5 10-4010630 SCREW, Oil Tank Bracket
6 36-42653A3 CAP ASSEMBLY, Oil Tank
7 27-42999T GASKET
8 10-12896 SCREW, (#8-18 x .310), Switch
9 87-12886A6 SWITCH ASSEMBLY, Oil Tank
10 43-430204 GEAR, Driven
11 25-8M0204667 O-RING, Oil Pump
12 32-82381335 TUBING Comment: (A = To Fuel Pump)
13 42959A2 PUMP ASSEMBLY, Oil
14 17335A3 ADAPTOR ASSEMBLY, Oil Pump
15 23-17597 BUSHING, Flanged, Adaptor
16 23-17596 BUSHING, Adaptor
17 10-82104540 SCREW, Oil Pump
18 42888 BRACKET, Oil Tank Base, Oil Tank
19 25-56291 GROMMET
20 10-82155050 SCREW, Base
21 99161 BOOT, Oil Tank Base
22 54-816311T TIE STRAP
23 32-82381455 TUBING, Refer To Reference Number 25
24 22-73318 TEE, Plastic, Refer To Reference Number 24
25 22-44456 FITTING, Refer To Reference Number 25
26 32-9004934 TUBING, (14.50 Inches Bulk) (10.00 Inch) Refer To Reference Number 25
27 54-415823 CLAMP, Refer To Reference Number 25
▶Power Trim Components (44 parts) Power Trim Components
Ref OEM Part # Part Name
1 99659A22 MANIFOLD ASSEMBLY, Oyster
2 22-56800 PIPE PLUG, Manifold
3 41493A7 TRIM CYLINDER ASSEMBLY, Oyster
4 41492A1 GUIDE ASSEMBLY
5 25-41478A1 REPAIR KIT
6 41482A2 CHECK VALVE KIT
7 1100-8M0021648 GUIDE ASSEMBLY, Trim Rod
8 878413A1 PISTON/ROD ASSEMBLY, Power Trim, Port
9 35-12184A1 TRIM FILTER ASSEMBLY
10 878414T01 PISTON/ROD ASSEMBLY, Power Trim, Starboard
11 17-821539 PIN, Groove, Trim Cylinder, Upper
12 893929A01 VALVE ASSEMBLY
12A 53-815949001 E RING
13 10-4000327 SCREW, (M6 x 14), Cover
14 12-4002315 WASHER, Cover Screw
15 99642 COVER, Manifold
16 25-48462A4 O-RING KIT
17 19-99609A1 PLUG ASSEMBLY
18 99641A1 SHAFT ASSEMBLY
19 22-56800 PIPE PLUG, Shaft
20 10-4008820 SCREW, (M6 x 20), Pump And Motor
21 13-400256 LOCKWASHER, (M6)
22 826729A10 PUMP AND MOTOR
23 99625002 SHAFT, Upper
24 97-818298Q1 ANODE ASSEMBLY
25 10-4000332 SCREW, (M6 x 35), Anode
26 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel, Anode Screw
27 8M0045383 STRIKER PLATE, Trim Shaft
28 13-58643 LOCKWASHER, (.375)
29 11-46335 NUT, (.375-24)
30 84-17201A2 CABLE ASSEMBLY, (17.00 Inches), Power Trim
31 84-88807A13 CABLE ASSEMBLY (3.50 Inch) Black
32 8M0185622 SOLENOID, Starter
33 10-40007106 SCREW, (M5 x 13), Starter Solenoid
34 8-32,11-26419 NUT, Brass, Solenoid Terminal
35 13-26992 LOCKWASHER, (.250) Stainless Steel, Solenoid Terminal
36 11-64015 NUT, (.250-20), Solenoid Terminal
37 12-4002314 WASHER, Starter Solenoid Screw
38 54-22875 CLIP, Pump Wire
39 8M0084613 C WASHER, Clip Screw
40 10-69079 SCREW, (#10-16 x .440), Clip To Transom Bracket
41 17-878267 PIN, Groove, Trim Cylinder, Lower
42 10-4000377 SCREW, (M10 x 30), Manifold
43 13-400258 LOCKWASHER, (M10) Stainless Steel, Manifold Screw
▶Power Trim Pump (9 parts) Power Trim Pump
Ref OEM Part # Part Name
- 826729A10 PUMP AND MOTOR
1 12659 FRAME AND FIELD KIT
2 12665 SPRING KIT, Brush
3 13506 BRUSH CARD KIT
4 12662 PUMP AND END FRAME KIT
5 126631 SEAL KIT, Pump
6 12660 END FRAME KIT
7 12661 ARMATURE KIT
8 12664 THRU BOLT KIT
▶Starter Motor(Bosch) (14 parts) Starter Motor(Bosch)
Ref OEM Part # Part Name
- 50-893891T STARTER MOTOR ASSEMBLY
1 90643 DRIVE KIT
2 685753 DRIVE ASSEMBLY
3 75660 PLATE, Drive End
4 10-75385 BOLT, Thru
6 75386 ARMATURE
7 898265016 BRUSH/SPRING KIT
8 23-57387 BUSHING, Insulating
9 12-38013 WASHER, Input Stud
10 13-26992 LOCKWASHER, (.250) Stainless Steel, Input Stud
11 11-20890 NUT, (.250-20), Input Stud
12 898265014 HOLDER, Brush
13 10-68586 SCREW, Brush And Holder
14 15386001 END CAP, Commutator
▶Steering Handle Components (50 parts) Steering Handle Components
Ref OEM Part # Part Name
1 12022A14 BRACKET ASSEMBLY, Gray
2 79-12012A1 TACHOMETER ASSEMBLY
3 11-65110 NUT
4 16-12782 STUD, Bracket
5 15126 SPACER
6 14-12080 TAB WASHER
7 11-4002016 NUT
8 121051 GROMMET
9 84-12649A2 HARNESS ASSEMBLY
10 87-88107A5 KEY SWITCH
11 11-879755 NUT, Special - Chrome Brass, Key Switch
12 12015A1 COVER, Bracket
13 10-72169 SCREW, (#10-24 x .500), Bracket Cover
14 19-889730 PLUG
15 87-11083A4 SWITCH ASSEMBLY, Stop
16 15920Q54 LANYARD ASSEMBLY
17 8M0032846 RETANER, Stop Switch
18 10-4000358 SCREW, (M8 x 50), Shift Lever
19 14-42981 TAB WASHER
20 23-889732 BUSHING
21 12021A1 LEVER, Shift
22 12016A2 DETENT ASSEMBLY
23 16-8M0034452 STUD, (.375-24 x 1.125), Shift Lever
24 98530 KNOB, Shift Lever
25 495636 SHIFT ROD
26 48419T ROD END
27 23-26856 BUSHING
28 12-35950 WASHER, (.273 x .437 x .031) Stainless Steel, Shift Rod
29 18-25191 COTTER PIN, Shift Rod
30 87-93479A7 SWITCH ASSEMBLY, Neutral Start
31 12609 BRACKET, Primary
32 126101 BRACKET, Switch
33 10-90342 SCREW, (#4-40 x .630), Switch To Bracket
34 4-40,11-24832 NUT, , Switch Screw
35 10-57583T SCREW, (#8-32 x .375), Bracket To Bracket
36 12-20878 WASHER, Bracket Screw
37 8-32,11-26419 NUT, Brass, Bracket Screw
38 10-40001134 SCREW, (M8 x 25), Primary Bracket
39 894911 KEY
40 894912 KEY, Ignition
41 894913 KEY 1C
42 894914 KEY 1D
43 894915 KEY 1E
44 894916 KEY 1F
45 894917 KEY 2A
46 894918 KEY 2B
47 894919 KEY 2C
48 8949110 KEY, Ignition (2D)
49 8949111 KEY, Ignition (2E)
50 8949112 KEY, Ignition (2F)
▶Steering Handle Components(With Steering Arm) (31 parts) Steering Handle Components(With Steering Arm)
Ref OEM Part # Part Name
1 12020A4 HANDLE ASSEMBLY, Steering Arm, Gray
2 12018A4 TUBE ASSEMBLY, Throttle
3 48414 HOUSING
4 48519 PLATE
5 27-48518 GASKET
6 10-72169 SCREW, (#10-24 x .500), Plate
7 54-889729 CLAMP, Throttle
8 10-40007112 SCREW, (M5 x 40), Throttle Clamp
9 11-816874 WING NUT, Throttle Clamp Screw
10 87-823609A15 HANDLE ASSEMBLY, Throttle
11 10-62568 SCREW, (#10-16 x .375)
12 87-823609A15 SWITCH ASSEMBLY, Stop
13 11099A1 BOOT ASSEMBLY
14 8M0221732 GRIP
15 54-648552 CLIP
16 10-72169 SCREW, (#10-24 x .500), Clip
17 8885242 CONDUIT
18 8M0026078 GUIDE TUBE
19 89578 BARREL
20 10-824081 SCREW
21 12019 CABLE ASSEMBLY
22 8M0204660 GUIDE, Cable
23 20007 ANCHOR
24 8-32,10-8M0204644 SET SCREW,
25 10-4000386 SCREW, (M10 x 100)
26 48416 CAP
27 12-4002319 WASHER
28 12-12024 WASHER, (.402 x .787 x .039 Bellevi)
29 23-146011 SPACER
30 23-812930A1 BUSHING
31 11-400214 NUT, (M10 x 1.5)
▶Swivel Bracket and Steering Arm (34 parts) Swivel Bracket and Steering Arm
Ref OEM Part # Part Name
1 1499-8710T21 SWIVEL BRACKET ASSEMBLY, Oyster
2 26-87735 SEAL, Oil, Swivel Bracket, Lower
3 23-818764 BUSHING, Swivel Bracket, Lower And Upper
4 25-33466 O-RING, Swivel Bracket, Upper
5 23-67668 SPACER, Swivel Bracket, Upper
6 22-8M0169589 FITTING, Grease
7 23-821207 BUSHING, Swivel Bracket
8 10-64014 SCREW, (.250-28 x .500), Swivel Bracket
9 92876A12 LINK ASSEMBLY, Steering, Black And Gray
10 10-849838 SCREW, (.375-24 x 1.25) Comment: (Steering Link To Steering Arm 1.125 Inch Black And Gray)
11 11-8M0204726 NUT, (.375-24), Steering Link Screw, Black And Gray
12 12-34931 WASHER, (.406 x .734 x .063) Stainless Steel Comment: (Steering Link To Steering Arm Black And Gray
13 13-78854 WAVE WASHER, Bottom Yoke
14 42961T2 YOKE ASSEMBLY, Bottom, Oyster
15 53-67684 RING, Retaining, Bottom Yoke
16 12-67670 WASHER, Thrust, Swivel Bracket
17 99653 BRACKET, Shock Absorber Comment: Not Used With Power Trim
18 99619 SHAFT, Shock Absorber Comment: (Lower, Not Used With Power Trim)
19 17-821539 PIN, Groove Comment: (Shock Absorber, Not Used With Power Trim)
20 10-4000377 SCREW, (M10 x 30) Comment: (Bracket, Not Used With Power Trim)
21 13-400258 LOCKWASHER, (M10) Stainless Steel Comment: (Bracket Screw, Not Used With Power Trim)
22 97-818298Q1 ANODE ASSEMBLY Comment: (Not Used With Power Trim)
23 10-4000332 SCREW, (M6 x 35), Anode Comment: (Not Used With Power Trim)
24 12-8M0204649 WASHER, (.281 x .500 x .060) Stainless Steel, Anode Screw Comment: (Not Used With Power Trim)
25 55-99724T15 SHOCK ABSORBER Comment: (Not Used With Power Trim Oyster)
26 23-821207 BUSHING, Shock Absorber Comment: (Not Used With Power Trim)
27 99625002 SHAFT, Shock Absorber, Upper Comment: (Not Used With Power Trim)
28 99661A36 SWIVEL PIN ASSEMBLY, Stub End, Gray
28A 12079A9 SWIVEL PIN ASSEMBLY Comment: Handle Models Gray
29 8M0074846 SENDER ASSEMBLY, Trim Comment: Handle Models Oyster
30 10-852368 SCREW, (#10-24 x .750), Trim Sender, Oyster
31 10,13-26996 LOCKWASHER, Stainless Steel Comment: Trim Sendsr Score Oyster
32 12-89302 WASHER, (.203 x .406 x .040), Trim Sender Screw
33 11288001 BUMPER, Bottom Yoke (X-Long
▶Tachometer (6 parts) Tachometer
Ref OEM Part # Part Name
1 79-895283Q43 TACHOMETER (6K)
2 79101T BRACKET, Mounting
3 88-72729 LIGHT BULB, Wedge Base (14V - .19W)
4 88-79888 SOCKET, Light Bulb
5 8-32,11-26419 NUT, Brass
6 84-86396A8 HARNESS ASSEMBLY, Tachometer (5.00 Feet)
▶Throttle Lever And Linkage (25 parts) Throttle Lever And Linkage
Ref OEM Part # Part Name
1 42946T1 LEVER, Throttle
2 10-817582 SCREW, Adjusting
3 11-400211 NUT, (M5), Jam, Adjusting Screw
4 429471 LEVER, Spark Advance
5 10-814776 SCREW, Adjusting
6 11-400212 NUT, Jam, Adjusting Screw
7 42942 CAP, Nylon, Adjusting
8 16-42986 STUD, Levers
9 24-55162 SPRING, Throttle/Spark Advance Lever
10 23-812930A1 BUSHING, Lever Stud
11 12-42980 WASHER, Lever Stud
12 11-90517 NUT, (M10), Lever Stud
13 42927 INSERT, Throttle Lever
14 12-35459 WASHER, Throttle Lever Pin
15 11-401386 NUT, (M6), Throttle Lever Pin
16 878172 ROD, Spark Advance
17 93254 SWIVEL BASE
18 93421 SWIVEL BALL
19 878420T ROD, Throttle
20 24-14159 SPRING, Cam Return
21 23-8M0215006 BUSHING, Swivel
22 42948A7 CAM, Throttle
23 16-8161949 STUD, Throttle Cam
24 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel, Throttle Cam Stud
25 11-401386 NUT, (M6), Throttle Cam Stud
▶Transom Bracket (22 parts) Transom Bracket
Ref OEM Part # Part Name
1 3401-8718F8 BRACKET ASSEMBLY, Transom, Starboard, Oyster
2 3400-8716A9 BRACKET ASSEMBLY, Transom, Port
3 22-8M0169588 FITTING, Grease, Port, Transcom Bracket
4 17-8M0026068 PIN ASSEMBLY, Tilt Lock, Non-Power Trim
5 99170A2 TILT TUBE
6 11-859133 NUT, Tilt Tube (1"-14) Gray
7 25-45711 O-RING, (.612 x .103), Tilt Tube
8 13-88750 WASHER, Tilt Tube
9 11-858869 NUT, (.875-14), Tilt Tube (.875)
10 10-8M0149747 SCREW, (.500-20 x 4.500), Transom Bracket To Transom
11 12-24501 WASHER, Transom Bracket Bolt Comment: (Upper, Oyster)
12 11-91962 NUT, (.500-20), Transom Bracket Bolt
13 8M0115104 LEVER ASSEMBLY, Tilt Lock
14 13-99611 WAVE WASHER, Tilt Lever
15 23-65830 NYLINER, Tilt Lever
16 99633 KNOB, Tilt Lock Lever, Oyster
17 17-99615 PIN, Groove
18 24-99622 SPRING
19 17-99604 PIN, Groove
20 10-96930A1 BOLT ASSEMBLY, Tilt Lock, Power Trim
21 11-23161 NUT, (.375-24), Power Trim
22 11-8M0041651 NUT, (.875-14), Power Trim

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 70 (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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