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Thread: Main Jet size question

  1. #1
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    Main Jet size question

    What is the stock main jet in a 230 quadsport?
    Nate

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  2. #2
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    I might be wrong but ive noticed that sometimes the main jet size is close to Half the cc's of the bike. 230 cc's probably close to a 115 or so. Not sure Just my opinion. My raptor has 660 cc's and both main jets added up to 275 so its kind of close. I just said this to give you a range and get you thinking maybe in the right spot. But im currently running a 165 and 170 which is 335 and my bike runs great.

  3. #3
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    yeah That sounds about right. My SX is 130 stock and the cc is 250. I'm running a 130 in the quadsport now with just a dg pipe. Just wanted to make sure it wouldnt be running lean.
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

  4. #4
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    Quote Originally Posted by 250sxwheeliepop
    yeah That sounds about right. My SX is 130 stock and the cc is 250. I'm running a 130 in the quadsport now with just a dg pipe. Just wanted to make sure it wouldnt be running lean.
    Do a plug chop and do it properly.
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  5. #5
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    Indeed, the plug chop is the best way. Stock main in my Tecate 250 is a 260...
    My Feedback 85 TECATE 500 08 Honda 450R

  6. #6
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    Quote Originally Posted by BigGreenMachine
    Indeed, the plug chop is the best way. Stock main in my Tecate 250 is a 260...
    Yea the half cc main jet size is complete BULL....the tri-z has a 440 in it stock...lol
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

  7. #7
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    Those guys are talking about kiehins, on our Z's and i think on the tecate they are mikuni's(sp)
    85 Tri-Z "Rumble Bee"
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  8. #8
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    modded6602fast is talking about mikunis, stock raptor carbs. Numbers vary greatly from one carb to another. My dyno jet kit main jets are equal to a higher number gytr jet kit. Too many variables for a simple rule of thumb like half cc's.
    I got nothing...

  9. #9
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    Im not saying its for all bikes because i dont know all of the types of bikes or how crazy the manufacturers built them. Its just what ive kind of noticed on my 300ex, raptor, Dirtbikes and other friends 4 wheelers. It waas just something to maybe help him out, just an idea ya know. My trx300ex was a 115 stock jet and i know have it at a 150. My raptor was like a 135 and 140 i think=275 so its kind of close to the cc's of the bike.

  10. #10
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    So does anyone actually know the size of the quadsport?
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

  11. #11
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    Well Now I know that it is indeed a 115 main. Your system actually worked on this one.
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

  12. #12
    Mosh is offline I'm the one with all the 2 stroke around here! The day begins with 3WW
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    yeah i guess that would work on the half the cc size, but what if ya have a banshee. lets see. 350 ccs and 2- 240 main jets? i guess the half system dont work there.lol
    Here is where my long useless list of stuff nobody cares about should go...


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  13. #13
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    thats why I said it actually worked on this one
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.

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