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

TEMPO OMC Johnson Evinrude 6 Gallon Metal Outboard Motor GAS TANK + Fuel Line
TEMPO OMC Johnson Evinrude 6 Gallon Metal Outboard Motor GAS TANK + Fuel Line
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OIL TANK ASSY 18 GALLONS 174167 JOHNSON EVINRUDE 1984 1987 35 235HP R A1 4
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Evinrude Crus A Day Four Tank Decal 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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Vintage Johnson Evinrude Pressure Fuel Tank Connector Male Motor End OMC
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3HP Evinrude Outboard Engine Gas Fuel Tank Model 3042B
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Evinrude Crus A Day Vintage Tank Decal 2 PAK FREE SHIP + Free Fish Decal
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Evinrude Lightwin 3hp 1952 54 Outboard Cowl Support bracket gas fuel tank
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1998 JOHNSON EVINRUDE 175HP FUEL RESERVOIR VST TANK 784
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New Johnson Evinrude Male Fuel Tank Connector SIE 80402
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Johnson Evinrude OMC Oil Tank 175527 Supply Line Only Item 14213
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Evinrude Crus A Day Junior Tank Decal 2 Pak FREE SHIP
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Evinrude Vintage Fuel Tank Decal Crus A Day 2 PAK FREE SHIP + Free Fish Decal
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NEW Moeller Marine Fuel Tank NPT Connector Johnson Evinrude 1 4 Male
NEW Moeller Marine Fuel Tank NPT Connector Johnson Evinrude 1 4 Male
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Johnson Evinrude Pressure Tank Upper Housing 376986 with Fuel Cap
Johnson Evinrude Pressure Tank Upper Housing 376986 with Fuel Cap
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Evinrude Johnson Pressure Tank Upper Housing 376986 with Fuel Cap
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Shoreline Johnson Evinrude Female Fuel Tank Connector Boat Marine FAST SHIPPING
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GASKET FUEL TANK JOHNSON EVINRUDE VINTAGE PART 0321029
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VINTAGE JOHNSON OMC Outboard Motor GAS TANK FUEL TANK 6 GALLON EVINRUDE
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Complete VRO Tank 3 gallon Johnson OMC Evinrude p n 124658 New out of Package
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Vintage Evinrude Hi Lift 6 Gallon Outboard Motor Boat Gas Fuel Tank 1950s 1960s
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JOHNSON EVINRUDE PRESSURE TANK UPPER HOUSING PART  376986 NO CAP
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Evinrude Johnson 45hp Outboard Motor Gas Tank Mounting Brackets E5RHLCTA
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Evinrude Johnson 45hp Outboard Motor Gas Tank Cowling Seal OMC  324651
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OMC JOHNSON EVINRUDE REMOTE VRO OIL TANK 18 GALLON
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Vintage Johnson Evinrude Sail Master 4hp Cover Fuel Tank Mounting Bracket NICE
Vintage Johnson Evinrude Sail Master 4hp Cover Fuel Tank Mounting Bracket NICE
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OEM Evinrude Johnson BRP 30 gallon oil tank without oil level sender 5008613
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Johnson Evinrude 341036 Tank Bracket 25HP 35HP
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Johnson Evinrude Oil Tank Sender Feed Lever Remote V6 Outboard
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3 FUEL TANK VENT 388951 JOHNSON EVINRUDE OUTBOARD BOAT MOTOR ENGINE PART
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OEM Evinrude Johnson 6 Gallon Dura Tank EPA Compliant Fuel Tank 5008623
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SEACHOICE BOAT FUEL TANK FITTING MALE CONNECTOR FOR OMC EVINRUDE BRASS 50 20511
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Tempo Brand Heavy Duty Male Tank Connector for Johnson  Evinrude 220010
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EVINRUDE Johnson OMC Outboard Metal Gas Boat Fuel Tank 6 gallon CLEAN INSIDE
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Johnson Evinrude oil tank gaskets 27 123906
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Vintage Johnson Evinrude 6 Gallon Metal Gas Tank
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BRASS FUEL TANK END FITTING for JOHNSON EVINRUDE OMC Boat Outboard Fuel Line
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Vintage Metal 6 Gallon Evinrude Cruis A Day Outboard Gas Tank
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176362 Evinrude Johnson OMC 18 Gal Oil Tank Pickup Kit 177285
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Vintage Evinrude Cruise a Day 6 Gallon Gas Tank
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Evinrude Crus A Day 6 Gal Vintage Tank Decal 2 PAK FREE SHIP + Free Fish Decal
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VINTAGE 1959 EVINRUDE 35 P BIG TWIN MODEL 35012 Outboard Boat Motor W Gas Tank
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admin posted at 2013-5-12 Category: Boat Parts