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Thread: here is jet info for our bikes!

  1. 03-27-2010, 06:31 PM #1
    skiffy's Avatar
    skiffy
    skiffy is offline First Time Rider Arm chair racerNew to the board
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    here is jet info for our bikes!

    Even tells the factory jet size.


    http://jetsrus.com/
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  2. 03-29-2010, 04:38 PM #2
    ilmoakw
    ilmoakw is offline At The Back Of The Pack Arm chair racerFirst time rider
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    I was looking for that site! Thanks a lot!
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  3. 03-29-2010, 05:26 PM #3
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    Mondexbrute
    Mondexbrute is offline Just Too Addicted Arm chair racerJust too addicted
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    I have a UNI aircleaner, a full Cobra exhaust & a Snorkel on my Big Camo 250es & I need to rejet my carb. I know the stock main jet is a 130 & the slow jet is a 38. Its getting more airflow now thanks to the Snorkel, my questions is do I need to replace both the main & the slow jets? & how much bigger should I go?
    1985 Honda Big Red 250es Swamp Edition
    1985 Honda 350X/400X

    http://s779.photobucket.com/albums/y...zyquadrider83/
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  4. 03-29-2010, 07:56 PM #4
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    Mr_RPM
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    i would try a 135 main and leave the pilot jet and try it, if you have popping when you let off the throttle go bigger and try the nest size up on the pilot jet too. see what the plug looks like too
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  5. 03-29-2010, 08:13 PM #5
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    skiffy
    skiffy is offline First Time Rider Arm chair racerNew to the board
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    http://hondanighthawks.net/carb14.htm
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  6. 03-29-2010, 08:35 PM #6
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    Mondexbrute
    Mondexbrute is offline Just Too Addicted Arm chair racerJust too addicted
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    Is their a difference between the OEM style & the Genuine Keihin jets? Besides the price?
    1985 Honda Big Red 250es Swamp Edition
    1985 Honda 350X/400X

    http://s779.photobucket.com/albums/y...zyquadrider83/
    http://community.webshots.com/user/mondexbruteforce
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  7. 03-29-2010, 08:53 PM #7
    skiffy's Avatar
    skiffy
    skiffy is offline First Time Rider Arm chair racerNew to the board
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    i would say price. I can not see how one brand jet could be better. They are both made from brass .
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  8. 03-29-2010, 08:58 PM #8
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    Mondexbrute
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    True, Will I gain any power by going to bigger jets?
    1985 Honda Big Red 250es Swamp Edition
    1985 Honda 350X/400X

    http://s779.photobucket.com/albums/y...zyquadrider83/
    http://community.webshots.com/user/mondexbruteforce
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  9. 03-29-2010, 09:00 PM #9
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  10. 03-29-2010, 09:06 PM #10
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    Mondexbrute
    Mondexbrute is offline Just Too Addicted Arm chair racerJust too addicted
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    Well I just ordered several different sizes for the hell of it!
    Slow jet sizes~40,42,45
    Main jet sizes~132,135,138,140
    1985 Honda Big Red 250es Swamp Edition
    1985 Honda 350X/400X

    http://s779.photobucket.com/albums/y...zyquadrider83/
    http://community.webshots.com/user/mondexbruteforce
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  11. 03-29-2010, 10:13 PM #11
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    Mr_RPM
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    Quote Originally Posted by Mondexbrute View Post
    Well I just ordered several different sizes for the hell of it!
    Slow jet sizes~40,42,45
    Main jet sizes~132,135,138,140
    sounds perfect!!! thats the best way to do it, simply test around
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  12. 03-30-2010, 10:16 PM #12
    jk5blazer
    jk5blazer is offline New to the board Arm chair racerNew to the board
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    Alright I'm taking a crack at this but will need help. My 250sx only starts with starter fluid (wont cold start) but when warms up its a breeze either kick or starter to get it going. It wont idle right and "boggs down" at WOT or 3/4 throttle. I cant teel forsure. what is a good stock main and slow jet. Also does it sound like its running lean? It did backfire when shutoff after warming up but does not anymore. Should I adjust the needle up to get it richer? I ordered a rebuild kit from Shindy for the 86-87 sx. I read in another post this has the cold start fix? Sorry for the load of questions
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