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Thread: Setting up 34mm carb do i rejet black spark plug

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    #1
    Active Member Birdylegs's Avatar
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    Droped needlie and raised it but sill bogs out at high revs could be power cable snaped or needs lower jets just need socket set spaners are killing me thay dont ave same the reach or ease to turn with out scratching anything ... fun to fix but more fun when finnished fixxing with good job ..
    A good ride is any ride you can walk away from, a GREAT ride is if you can use the bike afterward.”
     
     

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    #2
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    Just had a look......got 155, 132 and a 130 yours if you want them....
     
     

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    #3
    Active Member Birdylegs's Avatar
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    Quote Originally Posted by db View Post
    Just had a look......got 155, 132 and a 130 yours if you want them....
    Iv ordered a 155 they might send me a 150 free of charge a 130 or 132 would help to try see if it runs lean as there far from 150s as i was just watching carb. Being fitted i never seen any needle settings it was first time iv changed a carb. And used this type so when stripping to put new jets in ill lower it if i can but thats a bugger to fit cable back on.
    Last edited by Birdylegs; 27-08-13 at 08:34 PM.
    A good ride is any ride you can walk away from, a GREAT ride is if you can use the bike afterward.”
     
     

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    #4
    Senior Member alanTDM's Avatar
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    I would check if the float height is correct aswell before changing jets if thats out it could give you a rich or lean mixture.
     
     

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    #5
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    found this topic on ww.125ccsportsbikes.com ,
    http://www.125ccsportsbikes.com/foru...&#entry1479121
    looks like a good base setting to me,there's alot of information to be found on there
     
     

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    #6
    Active Member Birdylegs's Avatar
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    Quote Originally Posted by db View Post
    found this topic on ww.125ccsportsbikes.com ,
    http://www.125ccsportsbikes.com/foru...&#entry1479121
    looks like a good base setting to me,there's alot of information to be found on there
    He gets top end i only get 5000 rpm just have to use gears to get 40mph tops but im a member of there form ty
    A good ride is any ride you can walk away from, a GREAT ride is if you can use the bike afterward.”
     
     

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    #7
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    but it gives you a good base setting for the needle and mains,the needle will clean the midrange up
     
     

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    #8
    Active Member Birdylegs's Avatar
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    It would pull of but i had to pull in clutch and feed it if i over rev it stalled i road my lf 125 for a year without stalling but this bike could cut out when clutch was out and power on. Tighten clutch cable ran a leaner mixture that helped but uninspected stalls could have killed me on crossroads bike also droped speed 5th at 80 mph then in 6th droped down to 60mph never pulled up when in 6th at 60 very fast hoped new carb would stop me putting every one at risk behind me. I do drive slowly and safely but would also like to pass trucks not have lines of them build up behind me blasting past my 55mph on a419 on way to mums
    A good ride is any ride you can walk away from, a GREAT ride is if you can use the bike afterward.”
     
     

  9.  
    #9
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    feck sake don't ride the bike then, sounds like a death trap
     
     

  10.  
    #10
    Active Member Birdylegs's Avatar
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    Needile on top clip 150 jet fitted still black plug ill have to keep reading links about clip on needle rasing and lowering fitting new manifold might have broke a reed as it never went past 8000 rpm when i drove it. Even when i worked in a work shop boss said he'd take car to someone alse to fix as of problems so booked it in tomorow see what they say.Thanks for help sorry its not much use to anyone alse but iv got a lot more expearence now working on my bike better will come later.
    A good ride is any ride you can walk away from, a GREAT ride is if you can use the bike afterward.”
     
     

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