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    How to tell if my gearcase is OEM or aftermarket

    I have a Johnson J115PLSRC that I bought used a couple years back; last season the gearcase locked up on me and there's alot of metal in the oil...time for a rebuild. But, before I sink money into rebuilding this gearcase, I'm wondering if there's a way I can tell if it's an OEM case or...
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    2004 Johnson 115 V4 running problems

    I've been trying to get my 2004 Johnson 115hp V4 (J115PLSRC) to run right all season so far and no luck. I was originally working on it in a test tank in the driveway and finally got it pretty good; well, I launched it in the lake yesterday for the first time this season and as soon as I fired...
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    Johnson 115 rough running problem - charge coil and power pack questions

    Hi everybody, I have a 2004 115 V4 (J115PLSRC) that is running rough, mainly noticeable at low (less than 1000) RPM. I have the OEM manual and have checked compression (good), set and checked timing, adjusted the idle needle valves to the best idle condition I can get, but it still runs rough...
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    2004 Johnson 115 V4 low speed needle valve adjustment

    Hello all, I have a 2004 115 Johnson that has idled like crap since I bought the boat last year so this year I decided to rebuild the carbs and make sure everything was in good shape. Now that I've got everything back together, I find that it still runs like crap so I checked the idle timing...
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