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Message: <blockquote data-quote="Alluminatimoto" data-source="post: 232129" data-attributes="member: 6632"><p>That float level is key on this bike, 14mm is what you're shooting for for the 1990, measured from the brass tangs that the float touches, as close to WHERE the float touches, to where the main jet screws in, some find it easier to take the main jet out to get it outta the way but you don't have to, use a digital micrometer, on the tail end of it which is best for measure depth and stuff, works great, make sure spring on the needle isn't depressed, hold the carb at around a 45 angle otherwise the dry weight of the floats will depress that spring and mess up your measurement. Measure both sides since these tangs bend easy, you may have bent one at some point when you had carb apart for clean and jetting. Float height is the first step to carb tuning, and also causes a lot of these issues your having still.</p></blockquote><p></p>