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  1. J

    Anyone know what the WOT RPM is for 1982 Johnson 9.9???

    Trying to do some troubleshooting and one thing I was told was to check WOT RPM against what the manual says. Trying to find that out! Boat seems to be not up to 100% power at full throttle, but I am at about 5,000 elevation also, so trying to determine if engine is running correctly, or if...
  2. J

    1982 Johnson 9.9 random RPM fluctuations at full throttle

    Hello, First time here, not a mechanic by any means but enjoying tinkering on my outboard and have a few questions. I have a 1982 Johnson 9.9 (J10ELCNS) with electric start and remote steering console setup on a 15 ft. Gregor, boat starts right up nice and easy but I am having a couple...
  3. J

    What is a 1960 Johnson 10 hp QD-21 Sea Horse Outboard worth?

    Hello, I have a 1960 Johnson 10 hp QD-21 Sea Horse Outboard that runs ok but something is not quite right at high speeds it dies out. I dont have the time to fix it and was wondering about what it might be worth? Outisde shows wear of course but everything on the inside looks good and functions...
  4. J

    1960 Johnson qd-21 Seahorse 10 hp outboard

    Hello, I have a 1960 Johnson qd-21 Seahorse 10 hp outboard (location CA) that runs (slightly) but something is wrong with it at high speeds, it dies out. I think it might be carburator but was wondering what something like this is worth in current condition? Its obviously older and shows it on...
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