SX125-Jetting problems

Joined
Aug 12, 2007
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#1
Hi I have a 2002 KTM SX 125 and its a nice fast wee bike but at about half throttle i have a bit of a hesitation.it used to be a splutter but my mechanic said it was running rich at the main jet so leaned it out and that helped but its still really annoying. Does anyone have a solution? The bike is fine at full and small throttle openings but its just round half throttle it runs funny. Also would a power blade and a v-force reed block make much difference or do i need it?
Any help would be much appreciated.
 

Jaybird

Apprentice Goon
Joined
Mar 16, 2001
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Location
Charlestown, IN
#2
Might try raising your needle clip up one notch.