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    Mercury Ignition Coil Replacement for P/N 336-4528

    I just bought a 1973 Mercury 110/9.8 HP which has no spark. After testing the ignition coils, both primary windings are open so I need to replace them. The coils on the motor are P/N 336-4528 (the lime green type) but finding a replacement is tough because they are so old. There are a few on...
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    Difference between a 1984 or 1985 Johnson 5 hp and 6 hp?

    I just purchased a 1984 or 1985 (the plate is missing so I don't have the model #) Johnson 5 hp short shaft and can't find it listed by parts suppliers. It looks to be pretty much the same as a 6 hp of that same vintage (same size power head, leg, and prop) and I found a reference that...
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    Removal of Spark Plug Wires from 339 5288 coil on 1976 7.5 hp Merc

    My 1976 7.5 hp Merc is only firing on one cylinder. I'm trying to trouble shoot the ignition system and to check the resistance on the secondary winding on the 339 5288 coil, I'd like to remove the spark plug wire from the coil but am not sure if just pulling on it will damage anything or if it...
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    1982 Evinrude 7.5 hp Idle problems and sticky advance plate

    I just bought a 1982 7.5 hp Evinrude (short shaft) without checking it out very well. After getting it home I have two problems. I can get it to run but only at an rpm above idle with fine adjustments of the choke (about 1/4 to 1/2 way out). I know she shouldn't be choked to keep her running...
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    1989 Evinrude 8 hp - Runs great then dies after about 3 hours of trolling

    My 1989 Evinrufe 8 hp starts up and runs great but after about 3 or 4 hours of trolling she sometimes just dies. It takes me about 5 minutes and several pulls to get her to start up again. Once started, she runs great again. I've had this same problem occasionally on my 1986 Johnson 8 hp...
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    1996 Johnson 8 hp 2 stroke 'gunk' in exhaust

    My 1996 Johnson 8 hp 2 stroke has tannish grey 'gunk' coming out of the exhaust below the cavitation plate. I pulled the lower unit and the 'gunk' was all over the cavity in the mid-section. I checked the impeller and it was in need of replacement. I also noticed that when it was running the...
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    1986 Johnson 8 HP Choke/Fuel Primer

    I am looking for some insight on the Choke/Fuel Primer used on 1986 -1988 Johnson/Evinrude 6 & 8 HP outboards. I just acquired a 1986 Johnson 8 hp which runs great but is a little difficult to start. In reading LeRoy's Ramblings, I discovered that the Choke/Fuel Primer used on these models is...
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