keithb7's latest activity

  • K
    keithb7 replied to the thread Mercury 6HP "dead spot".
    The pilot jet seems to be ok, as it idles. When you open the throttle, more air enters into the cylinders via the carb. This process...
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    keithb7 replied to the thread 4 stroke v 2 stroke. Outboard.
    I believe you are correct @racerone . I have been told the ‘90 8.0 is rated at the prop. I have no proof but test results seem to...
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    keithb7 replied to the thread 4 stroke v 2 stroke. Outboard.
    I hope it's ok to revive an old thread. I have had my hands in old two strokes recently. Re-building them. Testing them on my 3.3M SIB...
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    keithb7 replied to the thread 1981 Mercury 7.5 2 stroke.
    Following up to wrap up this thread. I had this rebuilt Merc 7.5 outboard out on the lake today. I broke it in and ran it for another...
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    keithb7 reacted to Mc Tool's post in the thread Stubborn To Start 1979 9.8 with Like Like.
    What he said , over cooling sure wont help ring sealing/break in .🙂
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    keithb7 reacted to jimmbo's post in the thread Stubborn To Start 1979 9.8 with Like Like.
    Put the Stat in Now. Engines Break-in Better when they are at the Expected Temperature
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    I feel like I finally broke thru with this 9.8. Seems like I’ve solved all the issues it thew at me. No more need to give it a shot of...
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    Some more tinkering today. My 9.8 is running the best now, since I acquired it. Yet it still wants a raw squirt of gas when stone cold...
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    I’m all-in now. L-R: 1991 8, 1976 9.8, 1977 9.8, 1979 9.8, 1981 7.5
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  • K
    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    Coming home with 2 more 9.8 Mercs must have been intimidating for this problem child. Running great this afternoon. What did I do to...
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    Ya but I’m having fun and I will beat this. Lol. The two I just picked up both measure 105 psi. Both offer lots of spare parts. Both...
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    Well here it is, the spark easily jumping a ¾” gap. I’m laughing at this point. It’s becoming comical. I really thought we were onto...
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  • K
    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    @Nordin I think you are on to something there. Under compression the spark may not be firing. What you say makes sense and is possible...
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    The Ignition system looks ample to me. I need to comfirm it’s occuring at the right time. These engines are pretty basic, fool proof...
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    keithb7 replied to the thread Stubborn To Start 1979 9.8.
    Reviewing my outboard technical textbooks there are 8 different Mercury ignition systems that they used. You pretty-well need to be an...
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