Evinrude Tank

How do i do a tune-up on an outboard motor?

The motor is an older evinrude 140 v4 not sure on the year. This is going to be my first tune up that i have ever done

One of the interesting "marketing" tools for many outboard shops was a "Tune Up Special". In truth since the introduction of fixed jet carburetors and CD ignition systems, there is little to "tune up."

We would routinely change the plugs, and lower unit oil (really just routine maintenance) and put it in the test tank. Check the timing and throttle cam operation. Make sure it ran ok and that was it.

These engines had a bad habit of loosing compression on one cylinder. Most often a ring issue. So, that's a simple compression test. You can do that with the engine still mounted on the boat. It's done by removing one plug at a time and cranking but not starting the engine. You can get a spark checker and connect it to the plug wire to protect the CD ignition. If you have a very low cylinder, you'll need to get it repaired before it fails.

OMC (Evinrude/Johnson). makes a "tune-up in a can". It's really a solvent/oil blend designed to de-carbon the head and free sticking rings. You just follow the instructions on the can. Note this will not fix an engine with cylinder damage.

The service manuals will give you step by step instructions for a "Link-N-Sync" and declining the head. In truth just check out Youtube:

See:https://www.youtube.com/watch?v=1y1X0V9wKx8
See:https://www.youtube.com/watch?v=rtvKZyxbVdg

375663 NEW OEM VINTAGE JOHNSON EVINRUDE FUEL TANK FILTER 0375663
375663 NEW OEM VINTAGE JOHNSON EVINRUDE FUEL TANK FILTER 0375663
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Gas Tank without Cap 1953 Evinrude 75 hp  Model 7512  7513
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NEW Johnson Evinrude Oil Tank Pickup Kit 0176635 0175532
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EVINRUDE OUTBOARD FUEL GAS TANK ADVERTISING BOAT MOTOR CAN ABOUT 1 PLUS GAL
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Fuel Tank Connector Adapter for Johnson Evinrude Fuel Fittings 1 4npt NIP
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BOAT GAS TANK 66 GAL Yamaha FOR EVINRUDE MERCURY YAMAHA UNIVERSAL
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Evinrude Sportwin 25hp 4209 1937 Outboard Tank Support Bracket Exhaust Tube
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Johnson Evinrude 124764 Seal Oil Tank Cover NOS
Johnson Evinrude 124764 Seal Oil Tank Cover NOS
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Vintage Johnson Evinrude Pressure Gas Tank Upper Assembly With Float And Cap
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Evinrude Gasoline Outboard Boat Motor 6 Gallon Metal Gas Tank
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Nos OMC JOHNSON EVINRUDE OUTBOARD 0398459 Fuel Tank Float Indicator
Nos OMC JOHNSON EVINRUDE OUTBOARD 0398459 Fuel Tank Float Indicator
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2008 JOHNSON EVINRUDE ETEC 115HP VST TANK ASSEMBLY 6806
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Johnson Evinrude Wire Wiring Harness 26 FT Oil Tank Cable Outboard Marine Boat
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NEW IN BOX BRP Evinrude Johnson 18 Gallon Oil Tank Kit Assembly PN 5008617
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Vintage Johnson evinrude fd 12 Outboard engine fuel fiting hookup hose to tank
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Vintage 6 gal Evinrude Johnson Omc 6 Gallon Gas Tank BOAT MOTOR FISHING BASS
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Antque Outboard 1929 1930 Evinrude Speeditwin Nice Aluminum Gas Tank Wooden Boat
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VINTAGE JOHNSON OMC Outboard Motor GAS TANK FUEL TANK 6 GALLON EVINRUDE
VINTAGE JOHNSON OMC Outboard Motor GAS TANK FUEL TANK 6 GALLON EVINRUDE
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Mallory 9 38010 Fuel Tank Male Hose Connector 1 4 NPT Johnson Evinrude 772681
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174605 OMC 014747605 NEW JOHNSON EVINRUDE 1989 ACCUMIX FUEL TANK FILTER
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124764 OMC 0124764 JOHNSON EVINRUDE OIL TANK COVER SEAL FOR MANY UNITS
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EVINRUDE JOHNSON 3 GALLON OIL TANK 176996
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New Genuine OMC Johnson Evinrude 176368 VRO OIl Tank Assembly 18 Gallon 1997
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New Genuine OMC Johnson Evinrude 176362 Modular Wiring System Oil Tank Pick Up
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Johnson Evinrude OMC Oil Tank Pickup Kit 176366 176362 176635 176636
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1946 1948 Johnson Evinrude 54 hp 4404 fuel gas tank
1946 1948 Johnson Evinrude 54 hp 4404 fuel gas tank
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1946 1948 Johnson Evinrude 54 hp 4404 gas tank mount trim
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OMC 6 Gallon Metal Gas Tank Outboard Motor Boat Fuel Johnson Evinrude
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OMC Super Spout Fuel Tank Pouring Spout 173291 Johnson Evinrude Outboard
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Evinrude Crus A Day 6 Gal Vintage Tank Decal 2 PAK FREE SHIP + Free Fish Decal
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Tempo 220010 400JEC Johnson Evinrude Fuel Tank Connector 1 4 NPT Brass
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NEW OEM Johnson Evinrude 40 50 60 90 Clamp Pump to Tank 605mm 351159 Set of 4
NEW OEM Johnson Evinrude 40 50 60 90 Clamp Pump to Tank 605mm 351159 Set of 4
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Johnson Evinrude OEM 18 gal Oil Tank Reservoir ETEC BRP OMC
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1996 EVINRUDE Johnson 40HP OUTBOARD MOTOR WITH CONTROLS GAUGES AND OIL TANK
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Vintage Used JOHNSON Evinrude 6 GALLON Red OMC Outboard BOAT GAS TANK Fuel Can
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Evinrude Cruis A Day 3 Gallon Junior 2 Line Pressure Fuel Gas Tank OMC
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OMC JOHNSON EVINRUDE VRO REMOTE OIL TANK 18 GALLON
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Evinrude 1953 1956 4 Gallon Fuel Gas Tank Decals Crus A Day Decal Kit Set of 2
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Vintage Johnson Evinrude Pressure Fuel Tank Connector Male Motor End OMC
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Evinrude Crus A Day Four Tank Decal 2 PAK FREE SHIP + FREE Fish Decal
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Evinrude Vintage Tank Decal Crus A Day 2 PAK FREE SHIP + Free Fish Decal
Evinrude Vintage Tank Decal Crus A Day 2 PAK FREE SHIP + Free Fish Decal
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Evinrude Crus A Day Vintage 6 Gal Tank Decal 2 PAK FREE SHIP + Free Fish Decal
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Fuel Tank Connector for Johnson Evinrude 1 4 NPT 18 8063 Rplcs 502867 772681
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OMC 553164 775638 Primer Bulb 5 16 Evinrude Johnson 99 200HP Fuel Tank
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NEW OEM Johnson Evinrude 3 10 90 115 200 250 300 Screw Oil Tank 333710 Set of 2
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Evinrude Johnson 0763393 763393 OIL TANK LEVEL KIT NLA
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Pressure Tank OMC Evinrude Johnson Diaphragm Kit 377327 New Old Stock
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Fuel cap anchor Johnson Evinrude outboard Fits many tanks Write
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FUEL TANK GASKET JOHNSON EVINRUDE OMC 302557 18 2887 Sierra
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1939 Evinrude 97 hp Lightfour Gas Fuel Tank NO CAP
1939 Evinrude 97 hp Lightfour Gas Fuel Tank NO CAP
$75.00
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NEW OEM Johnson Evinrude 40 to 300 HP Oil Tank Filter 174377 Outboard
NEW OEM Johnson Evinrude 40 to 300 HP Oil Tank Filter 174377 Outboard
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Evinrude Sportsman 15hp Outboard Boat Motor Gas Fuel Tank Cap Spring Fitting
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OMC Johnson Evinrude 6 Gallon Metal Fuel Gas tank w Hose New in box NOS
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Boat Marine Parts Johnson Evinrude Fuel Tank Connector
Boat Marine Parts Johnson Evinrude Fuel Tank Connector
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PRIME LINE 18 8063 FUEL TANK CONNECTOR JOHNSON EVINRUDE CTC79 9026
PRIME LINE 18 8063 FUEL TANK CONNECTOR JOHNSON EVINRUDE CTC79 9026
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OMC Johnson Evinrude Oil Tank w Pick Up P N 124658 3 90 New Old Stock
OMC Johnson Evinrude Oil Tank w Pick Up P N 124658 3 90 New Old Stock
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JOHNSON OMC Evinrude OUTBOARD Gas Tank
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NEW MARPAC Marine Boat Johnson Evinrude Connectors Male tank 1 4 NPT 7 6910
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Vintage Steel OMC 5 Gallon Boat Motor Gas Tank Fuel Can OMC Johnson Evinrude
Vintage Steel OMC 5 Gallon Boat Motor Gas Tank Fuel Can OMC Johnson Evinrude
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175989 Fuel Conduit for Johnson Evinrude Outboard Motor Fuel Tank
175989 Fuel Conduit for Johnson Evinrude Outboard Motor Fuel Tank
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JOHNSON EVINRUDE VRO 18 GAL TANK CROSS FLOW OR CARB WITHOUT HARDWARE
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Metal Fuel Tank Johnson Evinrude Outboard
Metal Fuel Tank Johnson Evinrude Outboard
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johnson evinrude 0174164 174164 OIL TANK 0174659 0174637 174637 18gal
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Vintage OMC Johnson Evinrude Outboard Pressure Gas Tank Cap 375817
Vintage OMC Johnson Evinrude Outboard Pressure Gas Tank Cap 375817
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OMC Johnson Evinrude Pressure Tank
OMC Johnson Evinrude Pressure Tank
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100 to 1 Auto blend fuel tank system OMC outboard NOS
100 to 1 Auto blend fuel tank system OMC outboard NOS
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SEAL OIL TANK  JOHNSON EVINRUDE PART 0124764
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new Sierra marine 18 8063 johnson evinrude OMC fuel tank connector 1 4 NPT 2530
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124658 Evinrude Johnson OMC Oil Tank Pickup NEW OLD STOCK
124658 Evinrude Johnson OMC Oil Tank Pickup NEW OLD STOCK
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JOHNSON EVINRUDE OMC GALE 6 GAL GAS FUEL TANK PICKUP TUBE ASSEMBLY SINGLE LINE
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18 8063 Tank Connector 1 4 NPT for Johnson Evinrude Outboard Motors
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Evinrude Johnson Outboard 18 Gallon Remote VRO Oil Tank Complete
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admin posted at 2013-5-12 Category: Boat Parts