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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
My guess is it's the tune. I had a similar dip on my 103 at about the same spot as yours that I could feel when riding. Had it retuned and now no problem. It was running rich where the dip was. I'm running ported heads, 10.5 CR, and a Dragula 1 for what it's worth.
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