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  1. #81
    Senior Member Rupp 72's Avatar
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    No i will not. The 22 doesn't have a detachable bowl, it is all cast as one piece unlike the 19.

  2. #82
    Senior Member delray's Avatar
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    Quote Originally Posted by Rupp 72 View Post
    No i will not. The 22 doesn't have a detachable bowl, it is all cast as one piece unlike the 19.
    are you sure on that nate?
    cfh posted a 22 with the detachable bowl.


    also ruppking specified the high speed adjustable jet assembly parts will fit any UA or UB series carbs.
    https://www.oldminibikes.com/forum/m...onversion.html

  3. #83
    Ajf's Avatar
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    Quote Originally Posted by delray View Post
    are you sure on that nate?
    cfh posted a 22 with the detachable bowl.


    also ruppking specified the high speed adjustable jet assembly parts will fit any UA or UB series carbs.
    https://www.oldminibikes.com/forum/m...onversion.html
    I believe Rupp72 was referring to the mb22a dellorto that was going to be used on the ss5. The mb22a is a one piece carb.

  4. #84
    Senior Member delray's Avatar
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    yes I did wonder little about that. the carb cfh had was a ub. with a ub carb you could make it work if there was a clearance problem.
    weird how the brochure shows a dellorto carb mounted up close to the block, but rupp72 said he had a clearance issue trying to mount it like that. nice if rupp had a better picture of that in there brochures.

  5. #85
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    Does anyone know how to decipher the Dellorto letters? for example, UA versus UB versus MB for the prefix. And after the carb size in mm, the suffix like S or S2... ?

    Prefixes:
    Ua
    Ub
    Ubf
    Ma

    Suffixes:
    S
    S1
    S2
    Bs
    D
    Last edited by cfh; Yesterday at 06:49 PM.

  6. #86
    Senior Member
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    Another Dellorto to try, the Ua18s. This was on ebay for pretty cheap (as far as Dellortos go, still way more than the china clone carbs.) It's just one MM away from the fabled Dellorto Ua19s (as used on the Rupp black widow), but if you notice, it's significantly different in design. This Ua18s carb can not be mounted sideways like the Dellorto Ua19s.

    I probably won't use a trumpet for the intake. Instead i'll be using a filter. One less thing to buy i guess, and that will make the motor more happy.

    Last edited by cfh; Yesterday at 05:24 PM.

 

 
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