sr172 carb ?

Discussion in 'Maxiscooter Tuning' started by kyle1b1, Apr 1, 2008.

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  1. kyle1b1

    kyle1b1 New Member

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    right in next few week think i will be ordering a jolly moto for the sr but have only a 24mm carb on at the moment. will it be worth getting a 25 ? or even a 28 from an mx125/rs125 ? and if so will the 28mm squeeze into the manifold am using now ?

    set-up in sig.
     
    kyle1b1, Apr 1, 2008
    #1
  2. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    stick with what you have for now.. an rs fits in a malossi 25 manifold (even a stock) with a bt of warm water an persuasion
     
    MiNoR cOnFuSiOn, Apr 1, 2008
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  3. kyle1b1

    kyle1b1 New Member

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    just thought it might be a good idea when i get pipe.

    they dont go for that much. thought it might give abit more power for only a few quid or is their not really much difference ?
     
    kyle1b1, Apr 1, 2008
    #3
  4. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    the piggy engine in std form (no case work) flows through a 25mm hole.. its only on high folume draw (top end) the carb will feed any more fuel. slightly more top but not worth it if you have a 24 on an unported setup. just uses more fuel and has a little less responce.

    go for it if you like, i hjate 24's but remember it wont be a massive diff (if it is the 24 wasent setup right)
     
    MiNoR cOnFuSiOn, Apr 1, 2008
    #4
  5. kyle1b1

    kyle1b1 New Member

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    ok will just keep the 24 for now. need a new float bowl though :rtfm:

    so will just get one of them.

    cheers :pimp:
     
    kyle1b1, Apr 1, 2008
    #5
  6. gazell

    gazell Active Member

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    kyle i want a go when u get the pipe lol
     
    gazell, Apr 1, 2008
    #6
  7. kyle1b1

    kyle1b1 New Member

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    can do :pimp:
     
    kyle1b1, Apr 1, 2008
    #7
  8. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    get some vids... an check if the jolly fits the sr.. im not 100% just what i was told
     
    MiNoR cOnFuSiOn, Apr 1, 2008
    #8
  9. kyle1b1

    kyle1b1 New Member

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    yeah the jolly defo fits the sr.

    got a link to a picture with one on if you want to see one on ?

    yeah should be abit quicker hopefully :pimp:

    and will get some vids.

    hopefully order one on friday when i get payed.

    they like £230 on scooter center
     
    kyle1b1, Apr 1, 2008
    #9
  10. Biggie

    Biggie New Member

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    495
    Yerr get some vids of the jolly..
    Thought id post here so its open..
    Minor how long is the wait for case/barrel work (if your still doing any :( )
     
    Biggie, Apr 2, 2008
    #10
  11. kyle1b1

    kyle1b1 New Member

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    right i thought bollocks to it. got an del 28.

    any idea on main jet size and will i need to drop roller weight from going from 24-28.

    thanks :punk:
     
    kyle1b1, Apr 8, 2008
    #11
  12. kyle1b1

    kyle1b1 New Member

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    anyone ? :pimp:





    :( :( :(
     
    kyle1b1, Apr 9, 2008
    #12
  13. one7twoboi

    one7twoboi New Member

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    kyle u got any pics of the sr with the jollymoto on it mate? :D
     
    one7twoboi, Apr 27, 2008
    #13
  14. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    the 28 staret around 115 an work dowqn just to be safe.. 110 is about right but try a few diff ones.. make sure you can full throttle the carb once fitted.. alot of 28's require a q/a throttle
     
    MiNoR cOnFuSiOn, Apr 27, 2008
    #14
  15. kyle1b1

    kyle1b1 New Member

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    not got it yet. run out of moneys :( but i will defo be getting one soon.

    and the fucking 28 hasent even come yet :rtfm: nearly 3 week fucking ebay :rtfm:

    yeah i was thinking it might need a quick action.

    we will see anyways.

    cheers minor :cool:
     
    kyle1b1, Apr 27, 2008
    #15
  16. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    dont know why some do some dont.. probably the casting type as its the same moddle number on them but for some reason some are the 30mm cast bored smaller to 28 and some are straight cast.. rs carbs are usually straifght cast 28.
    the flip of this is that the 28 with the 30 cast body can be ported venturi wise to start at 30 and progress down to 28 with a nice big curve..

    gotta love carbs
     
    MiNoR cOnFuSiOn, Apr 27, 2008
    #16
  17. kyle1b1

    kyle1b1 New Member

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    yeah when when it comes if it does :rofl:

    will have a look into to weather or not i will need a qa.

    also have orded grahem bell 2 stroke tuning book other day so will have a read and mabe have a play :cool:
     
    kyle1b1, Apr 27, 2008
    #17
  18. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    will deffo have a play.. even if its silly things like reed block matching/modding or helping airflow into the engine, the principles will get your head working. its more than bolting parts together

    tuners and mechanics are WORLDS apart
     
    MiNoR cOnFuSiOn, Apr 27, 2008
    #18
  19. kyle1b1

    kyle1b1 New Member

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    right got my book and FUCK SAKE i wish i didnt buy it now :rofl:

    has you thinking so much about things you never paid attention to before and improving :rofl:

    power can be made form pretty much fucking everywhere.

    is a quality book just makes me want to go rip bike apart and tinker :rofl:
     
    kyle1b1, Apr 28, 2008
    #19
  20. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    welcome to the world of relevent education
     
    MiNoR cOnFuSiOn, Apr 28, 2008
    #20
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