02-26-2012, 09:33 AM
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#17 | |
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Join Date: Sep 2008
Location: Nashville, TN
Posts: 588
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Quote:
Usually a little turn either way gets it going again. Since the carb has been apart and cleaned, air leaks would be the next guess. Good luck, hope you get it fixed. Bill R |
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02-27-2012, 08:56 AM
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#18 |
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Join Date: Apr 2011
Location: Souderton, PA
Posts: 367
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Another vote for checking for air leaks.
My brother's bike (also an XF200) has a leak around the boot at the carb which causes a rough idle.
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2008 Yamaha WR250x 2006 Honda CRF250R Sold: 2002 Suzuki SV650S, 2009 Qlink XF200 |
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03-04-2012, 12:59 PM
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#19 |
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Join Date: Jun 2011
Posts: 19
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well got it back from shop does about the same will idea but barely floats up and down a little, still not 100%, guy said dirt in carb? ok not sure where.....will valves make it idle up and down a little?....any one in the harrisburg/philly area really know these things?
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03-04-2012, 06:59 PM
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#20 |
Join Date: Dec 2009
Location: Alaska
Posts: 914
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easy way to check for air leaks; unlit propane torch direct it at various parts of the intake, if the idle increases there is a leak there.
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Dune buggy build http://chinariders.net/modules.php?n...wtopic&t=14470 400cc lifan build vid: http://youtu.be/20HoU8OK_Y0 other fun: http://tinyurl.com/wildalaskan |
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03-05-2012, 08:49 AM
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#21 | |
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Join Date: Apr 2011
Location: Souderton, PA
Posts: 367
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Quote:
Still sounds like an air leak. If you wiggle the boot going to the carb or wiggle the carb, does it smooth out? With the bike running, spray some WD-40 or carb cleaner around the airbox, boot and carb. If the RPMs go up, you have a leak.
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2008 Yamaha WR250x 2006 Honda CRF250R Sold: 2002 Suzuki SV650S, 2009 Qlink XF200 |
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03-06-2012, 08:17 PM
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#22 |
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Join Date: Jun 2011
Posts: 19
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ok, to make a very long story short found an old guy who can fix any thing from a clock to a rocket to take a look and well 3 hours and 50 rides later finally got it close...was a combo of air fuel/old fuel/and we had to drill out slow jet atleast 2 sizes up but she runs...not sure how this all got started but its done...we also looked at valves and he liked them, bike better run awhile now because i got a little bad taste in my mouth over this....
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03-07-2012, 12:35 AM
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#23 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Weird, considering it was running fine. I wonder how he drilled out the slow jet? The main jet is usually around a #58 drill bit, and the smallest I've ever seen is a #60 (which is 0.040"). A slow jet is about 1/4 of that size.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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03-07-2012, 12:56 AM
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#24 |
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Join Date: Mar 2012
Location: Chilliwack BC, Canada
Posts: 32
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A little info i have found, if this is a 230cc engine like the Gio X31 has, it's quite possible the slow jet is too small. I had to use a #40 slow jet to get a proper idle mixture even with the bike totally stock.
If you have to turn the idle screw out more than 2 turns, your slow jet is too small. I'm assuming you have wa PZ30 china carburetor, if you decide to change the slow jet, the jet number you need is N424-26, a #40 should do the trick. |
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03-18-2012, 10:45 PM
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#25 |
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Join Date: Jun 2011
Posts: 19
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not sure on the size but it was way small....now it runs rich i think and my gas milage has suffered..67mpg...now seems to idle real low 600?800 so i still dont think its a 100% but now im scared to screw with it cause it alot better then it was....and yes very weird because it was running super till 3000 k!?
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