Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Carbs HELP
- This topic has 4 replies, 3 voices, and was last updated 3 years ago by
♠️ M77.
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Dec 22, 2022 at 8:10 PM #9270
So I’ve cleaned the carb and made sure everything’s back together…. Going forth to adjusting the idle…. I adjust the idle screw and it does nothing but hold the revs really high (not consistent) but when I unscrew the idle. The revs drop and work perfectly however doesn’t idle. I’m baffled
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Dec 24, 2022 at 7:12 AM #9272
Could be an air leak
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Dec 24, 2022 at 8:17 PM #9277
As per simon 🙂
You likely have an air leak where the o-rings are sitting inside the manifolds , frustrating i know but i would use new o-rings everytime the carb is off the bike they are only a few quid but save a lot of stress later on.Air leaks will make the bike feel like is going up and down between revs when its low and conks out or if revs are high, it gets higher when you ride then it does drop very very slowly when in neutral.
Also check vacuum hoses , if you have EGR on the bike. Delete it off the bike and only block the lines that were feeding the EGR , less stress there If the bike doesn’t have it that’s fine, you’re in luck. Less pipes to deal with.
Though, i pray the “Pilot” jets didn’t suddenly get clogged again from debris coming from the pump/tap/ or old air filter or just generally the airboxes (2 of them) not fully secure.
Keep us posted , im sure Simon will likely beat me to it for further replies, you will be alright 🙂
Have a good weekend break!
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Dec 24, 2022 at 8:56 PM #9278
Cheers, hopefully it sorts the issue out. I’ll take the carb off and I’m gonna add a fuel filter and new lines. Don’t impose you know the size of the o rings for them?
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Dec 25, 2022 at 9:04 AM #9279
take a look here;
Intake Pipe O-RING (Inlet Boot Seals) x2 – GV125 GT125 RX125 GV250 GT250 Hyosung
and also
Uprated & Braided Fuel Line + Filter Kit :: Hyosung GV125 & GV250 {Carby Models}
Order anytime now ill dispatch after weds when posties open up
have a good weekend
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