Mikuni GPz550 KZ550 Smoothbore

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28 Mar 2021 07:56 - 28 Mar 2021 08:42 #845660 by srsupertrap
Mikuni GPz550 KZ550 Smoothbore was created by srsupertrap
Trying to restore a set of Mikuni GPz550 smoothbore carbs. The plastic float tangs deformed and curled on one set from storage. If you have a set or parts from these Mikuni's TM 27D1 Carbs which you are no longer using please let me know.

Thank you,

 
1981 KZ550 D1
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    • Last edit: 28 Mar 2021 08:42 by srsupertrap.

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    • SWest
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    • 10 22 2014
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    28 Mar 2021 08:28 #845661 by SWest
    Replied by SWest on topic Mikuni GPz550 KZ550 Smoothbore
    You may be able to use these or find the ones you need here.
    Steve
    jetsrus.com/individual_parts/002_501_su.html
    Z1b1000 1975 Z1b
    kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
    kzrider.com/forum/2-engine/597654-poser?start=240#704229

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    • SWest
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    • 10 22 2014
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    28 Mar 2021 08:39 #845662 by SWest
    Replied by SWest on topic Mikuni GPz550 KZ550 Smoothbore
    This is the RS page.
    Steve
    jetsrus.com/carburetor/carb_mikuni_RS_ca...oded_view_parts.html
    Z1b1000 1975 Z1b
    kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
    kzrider.com/forum/2-engine/597654-poser?start=240#704229

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    28 Mar 2021 09:00 #845666 by srsupertrap
    Replied by srsupertrap on topic Mikuni GPz550 KZ550 Smoothbore

    You may be able to use these or find the ones you need here.
    Steve
    jetsrus.com/individual_parts/002_501_su.html
     
    Thanks Steve. I book marked the site.

    Although these GPz550 Mikuni Smoothbores look like RS's they are first generationTM series carbs. From what I can tell Mikuni discontinued part support. Maybe I can take float width measurements and email jetsrus to see if the TM floats are the same width etc.
    1981 KZ550 D1

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    • SWest
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    • 10 22 2014
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    28 Mar 2021 09:27 #845667 by SWest
    Replied by SWest on topic Mikuni GPz550 KZ550 Smoothbore
    They list the TM series carbs. Mike is very responsive and helpful. I think they discontinued the plastic floats so the brass or the fiber floats may work for you. I used floats out of my VM 28's to replace the leaking brass floats in my 33's. I'll be buying new brass ones soon. 
    Steve
    jetsrus.com/individual_parts/002_501_su.html
    jetsrus.com/carburetor/a_carburetor_parts_selection.html
    Z1b1000 1975 Z1b
    kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
    kzrider.com/forum/2-engine/597654-poser?start=240#704229

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    • gd4now
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    • Denco where did you go?
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    28 Mar 2021 10:37 - 28 Mar 2021 10:42 #845671 by gd4now
    Replied by gd4now on topic Mikuni GPz550 KZ550 Smoothbore
    No eBay APP ID and/or Cert ID defined in Kunena configurationThe part number appears to be 16031-1009 at least that is what partzilla indicates and there were many different bikes it was used on.
    www.partzilla.com/product/kawasaki/16031...54b1057ed6d7d4eccf92


    . There is always ebay  

    Shows a replacement for the same part number not saying it is what you need but it does say it is a replacement for it  

    www.partsnmore.com/parts/kawasaki/ke100a/?filters [category]=carburetor%2Fcarb+floats
     
    1977 KZ650 B1
    Pods and Denco header

    OLD KAW OWNERS SMILE ALOT
    Last edit: 28 Mar 2021 10:42 by gd4now.

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    • Nessism
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    28 Mar 2021 10:56 #845674 by Nessism
    Replied by Nessism on topic Mikuni GPz550 KZ550 Smoothbore
    Plastic floats are the work of the devil!

    I rebuilt some Mikuni carbs from a ZX600 one time and found one of the (plastic) floats full of fuel.  Bought a replacement and tossed the waterlogged float in my tool box...where it still sits a decade later with the float still full of fuel.  
    Ed
    Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0
    www.kzrider.com/forum/forum-index/faq-wi...owner-things-to-know

    1981 KZ750E2
    www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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    13 Apr 2021 18:52 - 13 Apr 2021 18:53 #846653 by srsupertrap
    Replied by srsupertrap on topic Mikuni GPz550 KZ550 Smoothbore

    They list the TM series carbs. Mike is very responsive and helpful. I think they discontinued the plastic floats so the brass or the fiber floats may work for you. I used floats out of my VM 28's to replace the leaking brass floats in my 33's. I'll be buying new brass ones soon. 
    Steve
    jetsrus.com/individual_parts/002_501_su.html
    jetsrus.com/carburetor/a_carburetor_parts_selection.html
    I tried jetrus and supplied Mike with float dimensions. Mike replied i dont have a cross ref to that float so i dont know where to send you.

    Here are some dimensions  . . . if anyone has time to help
    Width of float @ Mounting Arm: 13.58mm

    Distance between both floats: 18.20mm

    Plastic float height: 21.78mm
    1981 KZ550 D1
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    • Last edit: 13 Apr 2021 18:53 by srsupertrap.

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