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    Need Help Yamaha FZ6N – D09 showing 18.6V + persistent fault code 46

    Hi everyone, I have a Yamaha FZ6N, 2005, and I am currently trying to diagnose a strange running problem together with a persistent fault code 46. The bike starts and runs normally when cold, but as it gets warm the idle becomes unstable, drops progressively (sometimes to around 600–700 rpm) and...
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