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Help I am really over this ZXRc...

Discussion in 'Kawasaki 250cc In-line 4's' started by brodinatorr, Dec 20, 2014.

  1. brodinatorr

    brodinatorr Active Member

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    Well, I have NO idea anymore..

    Mechanic has given it a service, installed new chain and sprockets, and moved the voltage regular rectifier to the rear of the bike so it didn't get hot..
    NOW, he said it had died. yet again.

    he texted me and said it may be the carbies? would it be?
     
    brodinatorr, Dec 20, 2014
    #1
  2. kiffsta

    kiffsta Senior Member

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    What happens before it dies , if it's electrical, You can test all the components , ie reg, stator etc
     
    kiffsta, Dec 20, 2014
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  3. brodinatorr

    brodinatorr Active Member

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    '91 ZXR250c in Mustard Yellow.
    Stator is fine
    Regulator is fine

    Makes a spluttering sound, like running out of fuel, when the clutch is fully engaged, she turns off. doesn't want to start, I had this problem last time I rode it.. took me an hour and a half to ride 20km's
     
    brodinatorr, Dec 20, 2014
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  4. kiffsta

    kiffsta Senior Member

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    Petcock ? Maybe you are having fuel flow issues. As for the clutch, you should about 2-3mm of freeplay at the lever in the perch
     
    Last edited: Dec 20, 2014
    kiffsta, Dec 20, 2014
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  5. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    Check all your vacuum lines a agree with kiffsta about fuel starvation. Something must be hampering the flow rate of fuel
     
    Th3_Huntsman, Dec 20, 2014
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  6. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Carbies are at the end of the fuel chain

    Start with the fuel cap and that the breather is working ....if its not a vacuum forms stopping fuel flow ..... ride with the cap a little open (not with a full tank of course)

    Then make sure the fuel tap is working correctly ..... fuel runs from vacuum not a pump ...... make sure the vacuum hoses are correct and not split or wateva.

    Theres also internal filters in the tank attached to the fuel tap

    Look for a fuel filter and replace it if its old or not a 'free flowing" one ....make sure its installed correctly (it has an arrow on it to show the direction of flow)
    Make sure all the fuel lines are correct and in good condition

    Pull the hose that connects to the carbys to see if fuel is actually flowing to that point

    And when it all totally gets up your nose (as it does to all of us at times) ..... don't forget your Mum still loves u.

    vacuum.jpg


    tank fuel tap.jpg
     
    • Like Like x 9
    GreyImport, Dec 20, 2014
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  7. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    ^^^^ this is the perfect way to attack the issue. Great post GI
     
    Th3_Huntsman, Dec 20, 2014
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  8. Willrcr15

    Willrcr15 Well-Known Member

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    Whats been done to the carby's so far ?
    Could be stuck chokes, spluttering out sounds like a rich issue, what do the plugs look like, black & sooty or white / light brown ?
     
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    Willrcr15, Dec 21, 2014
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  9. brodinatorr

    brodinatorr Active Member

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    Plugs are brand new because of the service.
    It's running rich, fuel smell is so strong, not good to feel a bit sick while riding haha.
    I think it may be the fuel mixture screw?
    maybe it's not on 2 1/2 turns?
     
    brodinatorr, Dec 21, 2014
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  10. cal

    cal Well-Known Member Premium Member

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    another issue could be the float heights causing constant flooding and even the needled causing the flooding, drop the oil and see if its got heaps of fuel contamination
     
    cal, Dec 21, 2014
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  11. Willrcr15

    Willrcr15 Well-Known Member

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    I wouldnt go that far just yet, take the carbies off & pull them apart.
    Get some carby cleaner & some compressed air & get into it.
    Could be just the inlet needles holding open because of junk coming out of the tank.
    Put a filter on it if it hasn't got one already. The bowls will be full of crap it's that.
    Youll know better whats going on when you open them up.
     
    Willrcr15, Dec 21, 2014
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  12. Tim_

    Tim_ resident nutcase Contributing Member Dirty Wheel Club

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    how strong is the fuel smell? un burnt fuel? or burnt fuel? if unburnt something is flooding? my fuel tap was leaking and i didngt see any puddles but dam did i smell it
     
    Tim_, Dec 21, 2014
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  13. brodinatorr

    brodinatorr Active Member

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    Just think of fresh fuel at a local petrol station, but times that by 3. it's dangerous as ****.
     
    brodinatorr, Dec 21, 2014
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  14. zixxer

    zixxer Well-Known Member

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    do what grey said, then read kiffstas sticky post about cleaning the carby's.
     
    zixxer, Dec 22, 2014
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  15. kiffsta

    kiffsta Senior Member

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    if its that strong then you may a leak or its running super rich, did the mechanic pull a plug, that would be a good tell as to how its running ?
     
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    kiffsta, Dec 22, 2014
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  16. Tim_

    Tim_ resident nutcase Contributing Member Dirty Wheel Club

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    i was headed down the same path.. that is why i asked how strong the smell was..
     
    Tim_, Dec 22, 2014
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