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    Compression ?

    What is considered good compression on a 98 merc 90hp?
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    '76 115 johnson

    Although stored in down position and as much water as possible was drained, this motor wont start if the temps are below freezing. As soon as it's over 34/35 degrees, it turn right over. Battery is actually bigger then I need. Any ideas why it wont even turn over and beyond that when I put a...
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    Johnson 115 '76 not good cold motor?

    I have a 115 '76 that I've done the best I can to drain every time I use or test. If it's below freezing when I go to start it it acts like it's siezed up. As soon as it gets above freezing it pops off. Any ideas why or is it just a trait of the motor. If it is I'll have to find something else...
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    Johnson 115 '76 another ?

    Did a carb rebuild, used some power tuner, and have seafoam in the tank. Starts a lot better now, but it still stumbles intermitintly at low and high rpm. Also when it does the ball seems to lose a good amount, but not all, pressure. If left alone it catched back up. If it's at a faster rpm and...
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    Carb parts 76 115hp

    Did a carb rebuild and made a world of difference. Unfortunately I broke one of the plastic bushings that holds the control link arms between the two carbs. Wondering if anyone knows where to get those. Cant seem to find them on here.
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    Carb rebuild '76 115hp

    Okay, I'm new to this and just wanted to try my hand at it, so be patient w/ my stupid question. I bought a 76 115 and decided to rebuild the carbs as good measure. I bought the kit from the local marine dealership. Problem is I've got the suckers broke down as far as I can see that I can and...
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    76 Johnson 115?

    I just purchased this engine and maybe I'm completely blind but I can't find where the water indicator stream should be coming from. When I put the cups on it and turn on the water it streams from a few holes around the lower unit but I cant see anything coming from what would be above the...
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