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  1. 1st gen Tacho signal

    SV Modifications and General Maintenance
    Hi all! I'm looking into the feasibility of making my own dashboard using arduinos and some simple electronics. I was wondering if anyone knew what signal the stock tacho recieves from the ignition unit? (i.e. just a varying voltage or pulses with varying frequency) as I'll need to know that...
  2. 1999 sv650 N tachometer issue

    SV650 Gen1 (99-02) Tech
    Just put a new antigravity lithium restart battery in yesterday. Took the bike out today for a ride and it was running great. Stopped off at a car wash to fill the tires with some air and I noticed that when I went to start the bike, the tach needle was all the the way past 13,000 rpms and...