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    Needle valve

    Can't seem to figure out why i can't screw in the needle valve-slow speed. The threads all seem good (on needle valve), can't see inside carb. The other sleeve that slides over needle valve does screw in. I can't seem to find any info on this subject to let me know if something needs to be...
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    Johnson 10hp

    I have a johnson seahorse 10hp QD-21. Recently acquired. Did a compression test (good numbers), new plugs, changed the oil, new lower sphaghetti seal..etc. Took it out last week ran pretty good (out about 1 hour), a little adjusting of high/low speed adjustments. Took it out again today, first...
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    10 HP Johnson

    I have read and heard a few diff. speks on compression. I have the 10HP johnson QD-21(1960), I saw another post here that had a compression of 63 and he thought that seemed good enough. Other's seem to think it should be in the neighborhood of 90 to 110...providing they are the same on both...
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    Sears Boat

    Recently acquired a sears boat. Need a little help figuring out the details from the plate on the transum. Self explained are model:HS-12A...Builder: Harber MFG...(niagara falls, canada) Other 2 sets of numbers are No:237887 (is this a serial number?) and F-915(no idea what this number is) FYI...
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