Results 1 to 5 of 5

Thread: what size jet

  1. #1
    Join Date
    Sep 2001
    Location
    Walnut, Ms.
    Posts
    1,911

    what size jet

    well i tried to do a search but i was unsuccesful..anyways i bought Rico old Bills Thunder and i need to know wut size jet..im at about 500ft. above sea level. should i move then needle clip any?
    99' 406ex
    Elka/Renthal/Kenda
    06' LTR450
    Maxxis/Flexx/AC

  2. #2
    Join Date
    Aug 2002
    Location
    Staunton, Illinois
    Posts
    7,259
    i would start off with a 155 keihin mainjet.
    2005 450r

    *sold* 2001 400ex

    "If you think you can, you can. If you think you can't, your right."

    "A leader will take you where you want to go. A great leader will not necessarily take you where you want to go but where you ought to be."

    "If you want to do something, you will find a way; if you don't, you'll find and excuse!"

    "Its not aptitude but attitude that determines your altitude."

  3. #3
    Join Date
    Sep 2001
    Location
    Walnut, Ms.
    Posts
    1,911
    ok..any other suggestions
    99' 406ex
    Elka/Renthal/Kenda
    06' LTR450
    Maxxis/Flexx/AC

  4. #4
    Join Date
    Sep 2001
    Location
    Walnut, Ms.
    Posts
    1,911
    bump
    99' 406ex
    Elka/Renthal/Kenda
    06' LTR450
    Maxxis/Flexx/AC

  5. #5
    Join Date
    Aug 2002
    Location
    Staunton, Illinois
    Posts
    7,259
    like i mentioned, if this is your only mod, i would try a 152-155 keihin mainjet. i assume your running the air box lid on?? if this is the case i would leave the needle clip on the stock position and you could possibly run a 40 or 42 pilot jet for better starting.
    2005 450r

    *sold* 2001 400ex

    "If you think you can, you can. If you think you can't, your right."

    "A leader will take you where you want to go. A great leader will not necessarily take you where you want to go but where you ought to be."

    "If you want to do something, you will find a way; if you don't, you'll find and excuse!"

    "Its not aptitude but attitude that determines your altitude."

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •