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Thread: Honda 200x running too rich

  1. #16
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
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    Quote Originally Posted by apickering975 View Post
    UPDATE
    So I have an 83 200x that runs great so I took the carb off of that and put it on my 85. It was still having the same problems I mentioned in my original post. I put a brand new spark plug in and still nothing changed. I am kind of lost at this point. I don't know if it would have anything to do with the valves or the ignition coil, but that is the only other thing that comes to mind.
    what happened to the cdi theory?

    you installed a new coil so that should not be it . . could be the exciter coil in the stator . . you can check the ohms of it both cold and hot.

    you should also check the plug color for sure, if its blue, you have a lot of voltage which is good . . if it is yellow, it is weak but may still be ok.
    .

  2. #17
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    Quote Originally Posted by barnett468 View Post
    what happened to the cdi theory?

    you installed a new coil so that should not be it . . could be the exciter coil in the stator . . you can check the ohms of it both cold and hot.

    you should also check the plug color for sure, if its blue, you have a lot of voltage which is good . . if it is yellow, it is weak but may still be ok.
    .
    Just to keep things clear, I posted the cdi theory, I'm not the original thread starter. Checking the valve adjustment is pretty easy, not so easy to check if there is a build-up of carbon on the piston and valves. A compression test might tell you something. Also have read that a clogged up exhaust can cause symptoms like that. And since you have a 83 do a search and see if you can swap out the cdi just for grins. If you have a buddy that would help crank it over while you have the plug out and grounded check the condition of the spark. And did you try it with the air filter out....they can look clean but.

  3. #18
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    May 2014
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    Mendon Illinois
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    Mine did that and not to long later it blew up
    85 Honda 350x
    85 Honda 350x
    85 Honda 350x
    86 Honda 350x
    86 Honda 200x
    85 Honda 200x Hybrid (350x Suspension)
    84 Honda 200s
    78 Honda 110
    RIDE RED!

  4. #19
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    Aug 2015
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    Swisher, IA
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    Update
    I also adjusted the cam chain tension, and it didn't seem to help much. I could swap out the cdi box but I dont want to do that unless I know that is the problem.

  5. #20
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    After trying everything I could think of, nothing helped fix the problem. I was riding it down the road to see if anything had changed and when I put it in neutral it seized up. Any recommendations on good rebuild kits? I havent taken the motor apart yet so I don't know what parts it will need for sure.

  6. #21
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
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    Quote Originally Posted by apickering975 View Post
    After trying everything I could think of, nothing helped fix the problem. I was riding it down the road to see if anything had changed and when I put it in neutral it seized up. Any recommendations on good rebuild kits? I havent taken the motor apart yet so I don't know what parts it will need for sure.
    did it have enough oil in it?

    is there water in the oil?

    are you sure its not the trans that broke etc.

    if you remove the clutch plates then try to turn it over using a socket on the clutch nut and it doesn't turn then it is in the crank or top end area etc . you may have to flatten the lock tab on the nut if it has one on it otherwise the socket won't fit over the nut.

    if it does turn, it is in the trans.

  7. #22
    BigRedGrizzly's Avatar
    BigRedGrizzly is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Quote Originally Posted by apickering975 View Post
    After trying everything I could think of, nothing helped fix the problem. I was riding it down the road to see if anything had changed and when I put it in neutral it seized up. Any recommendations on good rebuild kits? I havent taken the motor apart yet so I don't know what parts it will need for sure.
    I recently re-built the top end on my 200X with guidance from Barnett and a bunch of others. My 200X was really lacking power. I found metal shavings in the oil so I took the top off to see what was up. The cam journal was trashed, the cam itself ended up being a White Brothers TopEnd cam which explained the low end power. The cam chain was rubbing against the case b/c of all the slop creating shavings. It was also missing the dowel in pulsator. I ended up putting a new cam in, a little beefier since the beefy springs were already in. I had the cam and rocker arms hard welded as suggested. I also sent the cylinder out for a one step up boring to ensure a true cylindrical cylinder and got a
    wiseco high compression piston to match. It was all a bit over $500. After all said and done, I'm very happy with the results and now I know what I got. Here are some pics from my engine rebuild. Definitely get the service manual for free online. I used it a lot. When you take the pulsator off be conscious of the dowel in cam. It's very easy to lose.


















    If you have any questions reach out to me. You can use a 14mm bolt as a fly wheel puller. Be sure to get the proper pitch thread.

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