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  1. eavega

    "trick" to getting the power head off?

    I have a 1973 25 HP Johnson (25R73A) that I am trying to dismantle for parts. I have a manual for a 1968 20 HP Johnson (my current motor), as well as the Seloc manual for Johnson outboards <40 HP. Its really not worth it to me to get a service manual for the 25 HP, as this motor is beyond...
  2. eavega

    Missing a part - is it really necessary?

    I have a 1968 20 HP (FD-22) that I have recently acquired. Its not running right now, and I am going through the basics (carb cleaning/rebuild, points, coils, condensers, impeller). The carburetor is supposed to have a plate that sits in front of it. The diagram blow-ups on the web call it an...
  3. eavega

    Is there a way to bench test carburetors?

    I am trying to get an FD-22 (1968 Johnson 20 HP), that I just acquired, running again. I was told by the previous owner that the engine ran rough, and he was told by a mechanic that it was probably something wrong with the ignition system. I tried to get it to run at home in a barrel, just to...
  4. eavega

    Advice for reviving a 1970 Johnson 20 HP

    So, I have gotten my recently acquired Johnson 20 HP (20R70) into the garage, and under a wrench or two. I have a few questions based on what I have found. 1. I pulled the flywheel, b/c per the previous owner he had been told that the motor was running rough due to bad ignition components. My...
  5. eavega

    How else can you find out the model number?

    So, I have just acquired another Johnson outboard. Traded my 10 HP for what is supposed to be a 20 HP. Now the guy who traded it to me bought it from someone else, and that someone else painted the entire motor black, including the plate with the model number on it. I cannot make out any kind...
  6. eavega

    What determines a boats max HP rating?

    Hello all... So, this is a follow-up to a question I posted on the Outboard Motors thread. For a quick synopsis of that: I have a Valco 14' aluminum v-hull boat, and given the age of the hull (~50 yrs) and my budget, I tried to power it with an old 10 HP seahorse. I found this setup woefully...
  7. eavega

    Am I expecting too much out of a 10 HP motor?

    Hello to all I have a QD-21 (Johnson 1960 10 HP Sea Horse) that I acquired about two months ago. I have done the following work to it: 1. New spark plugs 2. Impeller replacement 3. Cleaned and rebuilt carb 4. Changed LU oil 5. Inspected coils 6. Gapped points Apart from that, I did some...
  8. eavega

    Where to mount outboard and trolling motor

    I have a 14' semi-vee aluminum boat for fishing. Until recently I used it on electric-only lakes, but I recently acquired a 10 HP outboard for it (necessary given that I recently moved and my closest water is a humongous lake). Both of these motors are transom mount. My question is where...
  9. eavega

    external fuel tank question

    I purchased a plastic external fuel tank for an outboard I just got running, and had a question about it. On the tank cap there is what appears to be some kind of vent with a plastic screw to close or open it. What is this screw/vent for, and does it matter if it is opened or closed when...
  10. eavega

    Just a thanks to all

    Just wanted to thank you all for the great information you have provided on this forum. Knowing very little about motors (other than basic "theory" fuel+air+spark+compression=working motor), I undertook the rehab of a 1960 Johnson Seahorse 10 HP I bought in non-working condition on craigslist...
  11. eavega

    correct rope for pull start?

    In bringing my 1960 Johnson Seahorse 10 HP (Model QD-21) back to life, the rewind spring on the pull starter snapped. I have half-installed the new one, but I figured while I had the pull starter apart, I might as well replace the pull-starter rope. I know the expected length of the rope is...
  12. eavega

    A little help with water pump maintanance

    I have a 1960 Johnson Seahorse 10 HP (QD 21) which I am trying to bring back to life. I have read the "Awaken a sleeping outboard" FAQ, as well as several other online references on what to do. One thing all of them mention is replacing the water pump impeller. With my Seloc Maintenance guide...
  13. eavega

    have I damaged this poor outboard?

    First of all, Hi! I'm new to the forum. I have already been lurking here for a bit gathering some information for rehab-ing a Johnson 1960 10 HP outboard (QD 21) I happened across. Thanks for the answers already provided, and thanks in advance for future information. My question; so, I got...
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