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    1977 Johnson 115 hp ETL Idle Question

    With all the help I received here I felt obligated to return and share my final results. What a challenge this was. let me make a long story short and explain what actually fixed the engine and the final key ingredient to perfect the motor of old... after countless hrs rebuilding carbs (3...
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    1977 115 hp Throttle Question

    Hello Folks, I've been working on this motor for a few weeks now. With all the great help here it's almost purring like new. Went to the lake today for some testing regarding a rough idle and that issue has pretty much been resolved it seems. The issue I had was - after starting engine...
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    115 H.P. Spark Question

    If I do a spark gap test with all 4 plugs out I get 7/16 spark Then I put in the plugs and fire up the motor with the gap tester connected inline to one cylinder, and the spark is not consistent ? Maybe this is where my Idle miss is coming from but would it be coil or powerpack? On the water...
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    115 Johnson- Milky Nasty Exhaust Question

    Hello Folks, dropped lower unit to put in new seals and I'm finding this milky nasty sludge pretty much everywhere. Is this a head gasket or is it possibly just from leaking a little lower unit oil ??
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    1977 115 hp top seal question

    Oil muck and sludge in the bottom portion of unit under carrier bearing. It looked pretty obvious. and it stinks to high heaven!! lol. I just figured after setting so long it's some cheap preventative maintenance. the bearing looks fine to me. Should I pack a bit of grease back in that...
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    1977 115 hp top seal question

    If I replace to top seal on the crank should I pull the bolts and also replace the large O-ring? ( Is that possible?) The engine set for 12 yrs and I know the lower unit seals are shot so I thought these most likely are also. Possibly causing my lean coughing condition at idle. All other...
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    1977 115hp spark / powerpack Question

    All 4 cylinders show good 7/16 gap spark but, #4 spark does miss some . I tested also with a simple light from powerpack #' 10, 11, 3, and 5. --- shows a dim light on my test light cranking the engine with good batt and plugs out. Question is can I check voltage out of the powerpack 3 5 10 and...
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    1977 Johnson 115 hp ETL Idle Question

    #4 per request
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    1977 Johnson 115 hp ETL Idle Question

    #2 has 122 lb #4 has 120 this side looks to me to be pretty much the same. GREAT TEST ... the covers all look pretty much the same inside as well. Thoughts?
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    1977 Johnson 115 hp ETL Idle Question

    this is #3
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    1977 Johnson 115 hp ETL Idle Question

    You have my full attention !!! Here is the pic of 1 and 3 --- I did do another compression test this A.M. because I wanted to be more accurate to inform you. #1 has 128 lb #3 has 124 lb
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    1977 Johnson 115 hp ETL Idle Question

    Pic, so you know im in the right spot...
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    1977 Johnson 115 hp ETL Idle Question

    Update, pouring the rain here today but I'll still make it to the lake sometime today and have made progress.... link and sync is done. with muffs on I was able to increase the idle to around 1100 rpm however, it did require taking the adjustment screw to its limit. (hoping its not drawing air...
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    1977 Johnson 115 hp ETL Idle Question

    Hello, I have a johnson 115 hp 1977 that was my fathers. He passed and the boat set for 12 yrs. I finally got around to getting it out and seeing if it would run. Here is what I have done and I'm confident I'm so close, hopefully with a bit of help with some folks knowledgeable about this...
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