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Thread: Aprilia SR Exhaust Help

  1. #1
    apriliaforum newb mihajlovzx93's Avatar
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    Aprilia SR Exhaust Help

    Ciao a tutte le persone, ho una domanda che voglio cambiare l'eccitazione di stock su aprilia sr50r 2017, quindi sto pensando alle scariche di polini scooter team 2 che è il tuo pensiero per lui e naturalmente se qualcuno ha qualche esperienza con esso, si può liberamente dire qui. Per quanto mi riguarda, ho intenzione di prendere questo scarico e cambiare i rotoli da 6.3 a 5.0gr. Ha dato questo scarico è buono per la SR e quanto posso ottenere alla velocità se lo metto e rotoli da 5,0 gr.

  2. #2
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    carb or fuel injection? english please/ my computer is very basic.

    -- it sounds like you need 70cc and rollers atleast 7.2g or else you will have to change the rear torque convertor to a straight slotted racing kit. and at 50cc it will still be pretty limited
    --- diploma for engine repair in 2012 ---

    derbi bullet 2006 - piaggio AC - malossi T.C. half - custom GPS dash - TPR 70CC - topperf crank - vl13 reed and spacer- yamaha rt180 kickstand - giannelli shotV4 - phbg 21mm - doppler mesh top venturi filter

    complete wtp volta bmx 2012 - sanko seamless japanese cromoly heat treated and blue printed frame - 21lbs

    1992 lt250r suzuki quadracer - maier plastics -chromed shearer pipe - chromed works suspension - ++++++++ - 220lbs

    previous vehicles - subaru legacy turbo 1991 - mazda mx6 turbo 1990.

  3. #3
    apriliaforum newb mihajlovzx93's Avatar
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    No , i have 50cc carb ( stock bike ) and only what i want is to get the best exhaust for him. My goal is to have good sound and speed above 90km/h. In our country, the most popular exhaust brand is Gianelli, but I think it's quite back in contrast to Polini, Leovince and the rest. That's why I want to make a change and use a top brand on the exhaust to get a better speed and sound sure . If you have any experience with Polini I would ask you to tell me is it good for my SR, and which rolls are the best combination with him.

  4. #4
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    giannelli extra or tecnigas q-tre or leovince TT or yasuni z are the only 50cc pipes that peak at 8000rpm wich is what a piaggio needs to power its large transmission in stock format.

    ----
    Last edited by sublunacy; 10-07-2017 at 06:35 PM.
    --- diploma for engine repair in 2012 ---

    derbi bullet 2006 - piaggio AC - malossi T.C. half - custom GPS dash - TPR 70CC - topperf crank - vl13 reed and spacer- yamaha rt180 kickstand - giannelli shotV4 - phbg 21mm - doppler mesh top venturi filter

    complete wtp volta bmx 2012 - sanko seamless japanese cromoly heat treated and blue printed frame - 21lbs

    1992 lt250r suzuki quadracer - maier plastics -chromed shearer pipe - chromed works suspension - ++++++++ - 220lbs

    previous vehicles - subaru legacy turbo 1991 - mazda mx6 turbo 1990.

  5. #5
    apriliaforum expert
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    try racingplanet.uk for free shipping. holler at me if you need more help. i would get the leovince TT

    is yours a liquid cooled piaggio engine correct ?

    --
    if it has to be 50cc the best pipe is the yasuni z and a jet kit from 50-70. i would try a 64 with a new sparkplug. the leovince TT is nearly the same thing and that silencer looks great in the picture so i would get that instead of the yasuni and save some money.

    the giannelli extra sounds bad on 50cc and the tecnigas will fall apart on the road without some good mechanic skills before the silencer drops off at speed. the giannelli next and extra will be left behind on a 50cc by the yasuniz the qtre and the TT.

    ---
    the yasuini z and q-tre have the best sound. the tt is a little loud maybe and it is not a racey two stroke sound/ more like a 4 stroke thumper sound.
    Last edited by sublunacy; 10-08-2017 at 10:53 AM.
    --- diploma for engine repair in 2012 ---

    derbi bullet 2006 - piaggio AC - malossi T.C. half - custom GPS dash - TPR 70CC - topperf crank - vl13 reed and spacer- yamaha rt180 kickstand - giannelli shotV4 - phbg 21mm - doppler mesh top venturi filter

    complete wtp volta bmx 2012 - sanko seamless japanese cromoly heat treated and blue printed frame - 21lbs

    1992 lt250r suzuki quadracer - maier plastics -chromed shearer pipe - chromed works suspension - ++++++++ - 220lbs

    previous vehicles - subaru legacy turbo 1991 - mazda mx6 turbo 1990.

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