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Old 02-19-2007, 05:54 AM   #1
Jordan310
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I have a question about the shim mod for the gz250.

I took my bike to my mechanic, and he re-jetted the carb, but when looking to do the shim adjustment, there was a groove where the clip sat.
He pointed out that the needles for jet-kits had grooves, and showed me some. The stock needle did not have additional grooves.

I have a 2007.

Any help / advice here?



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Old 07-23-2014, 11:38 AM   #2
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Where is Jamies Thread on the needle mod. I have my carb apart and forgot where the little spring goes. Im struggling to find specific posts and threads, please help.
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Old 07-23-2014, 12:32 PM   #3
alantf
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Does this help at all?

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Old 07-23-2014, 12:35 PM   #4
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Awesome, thank you alan.
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Old 07-24-2014, 10:16 AM   #5
jonathan180iq
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Way to dig up the dead...hahaha

http://www.gz250bike.com/forum/showthread.php?t=16 - Needle Shim Mod

http://www.gz250bike.com/forum/showthread.php?t=20 - Muffler Swap (Jetting info)

http://www.gz250bike.com/forum/showthread.php?t=551 - GZ250 Power Increase



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Old 07-24-2014, 12:22 PM   #6
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Thanku so much for this jonathan
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Old 07-24-2014, 12:38 PM   #7
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Old 08-10-2014, 11:08 AM   #8
mainlinecoffee
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Hey there is a company called sigma6 that does custom jet kits,ordered mine for a little under 60 bucks and it comes with detailed instructions, worked like a champ on my bike.
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