Tuning Question

Discussion in 'Scooter Tuning' started by askebre, Dec 20, 2019.

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  1. askebre

    askebre New Member

    Messages:
    1
    Hi guys, im new to this site and whole tuning scene, i have one question im going to tune my gilera runner 50
    and going to put Stage 6 racing mk2 cylinder , malossi rhq crankshaft, 112mm Stage 6 clutch
    and i have question about carburetor should i put 21 or 24 and which one has , i know that 21 has better fuel ecenomy but i dont know how much l/100km can someone tell about both of carburetor whic l/100km they have for 21 and which for 24.
     
  2. milo2025

    milo2025 Trip to Trumpton

    Messages:
    727
    Hi Askebre and welcome to the forum. I would stick to 21. What are you looking for exactly - outright performance (top speed and acceleration etc) or longevity and more mpg because this will affect your decision at the end of the day.
     
  3. scubabiker

    scubabiker NITROJUNKIE

    Messages:
    7,321
    When tuning a 2 stroke, fuel usage is bottom of the list for most people.
    Interested to see if anyone has any info on this.
    I suspect the smaller carb uses less fuel in low range revs and bigger uses less in high revs.
     
  4. SRR172

    SRR172 New Member

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    4
    If youre new you should consider buying a less powerful cylinder like stage6 street race or dr evo 70. The racing mk2 likes to seaze on poor jetting and doesn't forgive mistakes.
     
  5. ET2SLOW

    ET2SLOW New Member

    Messages:
    24
    Which pipe you running? Race pipe go 24, sane pipe go 21. MPG no idea, if your going to commit to a MK2 racing, you need a big carb and racing pipe. MPG is the least of your worries.
     

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