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Why does my tachometer needle bounce erratically at steady highway speeds
Riding at a steady highway speed should be a rhythmic and smooth experience, but few things are more distracting than a tachometer needle that begins to bounce or "dance" erratically across the dial. When you are cruising at a constant RPM, the needle should be rock-steady. If it starts to flicker or jump, it is usually a sign that the electrical or mechanical communication between your engine...
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