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[ 9 posts ] |
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dillakilla12
MMT 1000 Club
Joined: Wed Jan 23, 2013 10:15 pm
Posts: 1398
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 Mikuni tuning question I've got a 38 mikuni on my 23 mini. I've been getting some backfire and so I've been playing with it. Long story short I'm not good with carbs and I think I may have done more harm than good.
I've got my needle set on the middle notch, and I was told to run the top adjustment all the way down till basically the needle touches the main jet and then back it off 2 turns. So I did, and my fuel air mixture screw I took all the way in and backed off 1.5 turns. Still running like hell.
What have I done wrong???
20160228_153728.jpg20160228_153716.jpg
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Stage 2 Mini 23 chasing a 1642 Prodigy
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| Sun Feb 28, 2016 2:42 pm |
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JD145
MMT 1000 Club
Joined: Wed Jun 04, 2014 9:01 pm
Posts: 1289
Location: SWGA
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Re: Mikuni tuning question Is backfire your only problem now? Check for exhaust leaks, gaskets in good shape?
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1854 Prodigy DPE Level 3 HDR
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| Sun Feb 28, 2016 3:02 pm |
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dillakilla12
MMT 1000 Club
Joined: Wed Jan 23, 2013 10:15 pm
Posts: 1398
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Re: Mikuni tuning question
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Stage 2 Mini 23 chasing a 1642 Prodigy
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| Sun Feb 28, 2016 3:09 pm |
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JD145
MMT 1000 Club
Joined: Wed Jun 04, 2014 9:01 pm
Posts: 1289
Location: SWGA
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Re: Mikuni tuning question Did you run it today? Did the coils help? What kind of rpm were you turning?
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1854 Prodigy DPE Level 3 HDR
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| Sun Feb 28, 2016 3:11 pm |
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dillakilla12
MMT 1000 Club
Joined: Wed Jan 23, 2013 10:15 pm
Posts: 1398
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Re: Mikuni tuning question Never got to really stretch it out with all the carb tuning
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Stage 2 Mini 23 chasing a 1642 Prodigy
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| Sun Feb 28, 2016 3:17 pm |
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dillakilla12
MMT 1000 Club
Joined: Wed Jan 23, 2013 10:15 pm
Posts: 1398
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Re: Mikuni tuning question
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Stage 2 Mini 23 chasing a 1642 Prodigy
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| Sun Feb 28, 2016 5:12 pm |
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mudxxed
MMT 1000 Club
Joined: Thu Sep 05, 2013 4:46 pm
Posts: 1398
Location: SE Bama
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Re: Mikuni tuning question Well that'll do it lol
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1651 Excel/ 35 MB HD: little of dis, little of dat
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| Sun Feb 28, 2016 10:51 pm |
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dillakilla12
MMT 1000 Club
Joined: Wed Jan 23, 2013 10:15 pm
Posts: 1398
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Re: Mikuni tuning question I think between my exhaust leak and the main jet getting loose was my issue.
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_________________
Stage 2 Mini 23 chasing a 1642 Prodigy
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| Mon Feb 29, 2016 6:34 am |
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JD145
MMT 1000 Club
Joined: Wed Jun 04, 2014 9:01 pm
Posts: 1289
Location: SWGA
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Re: Mikuni tuning question I say the exhaust leak was definitely causing backfire. Not sure about the main jet till near WOT.
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1854 Prodigy DPE Level 3 HDR
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| Mon Feb 29, 2016 6:43 am |
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