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View Full Version : jetting a xr hybrid



tayyo789
01-12-2010, 10:29 AM
So ive been trying to get this thing dialed in for a while now, and it runs great, but when i pull the plug, its dry and dark and looks like its rich, but at the diode, it looks super lean, like a grayish color. i dont have pics of it, but im confused on what to change.
oh i almost forgot. its a xr650r motor, and im running a mikuni tm40, with a 27 and a half pilot, and a 170 round main