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Thread: Help with a Part Number? 4msm50550

  1. #1
    mrbridgeport Guest

    Smile Help with a Part Number? 4msm50550

    Hi Guys,

    I am looking at buying this Supertrapp 4 into 1 and hoping it will work on my 1981 GS 100E. I have searched the regular supertrapp website but to no avail.

    I have a part number and a photo for this unit, just wondering what it will fit before I buy it. It looks to be ceramic coted as well!

    The part number is 4msm50550, can anyone tell me more about this unit and what it should fit? Any help would be greatly appreciated.

    Here is a link to the photos of the Supertrapp:

    Here is a photo of the 1981 GS1100 I want to use it on:
    Last edited by mrbridgeport; 04-19-2010 at 08:38 PM. Reason: update link

  2. #2
    bschultz Guest


    The referenced P/N is a long discontinued system for a GS550E&ES, '83-85.

  3. #3
    mrbridgeport Guest



    Thanks for the quick response. I really appreciate it. I wish it fit a GS1100, but I'll keep looking for a used one. Thanks again.


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