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93 Tach reading high

Started by captaudi, September 30, 2024, 04:05:46 PM

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captaudi

September 30, 2024, 04:05:46 PM
Afternoon,

This afternoon on the way home from work my tach got all funky on me, and not in a good way. Its reading almost exactly double. Normally around town in traffic I shift approx 4k rpm. Today it was showing more like 8k. As soon as I got home I grabbed my fluke and checked system voltage. 12.74V at idle 14.2V at about 3k rpm.

I looked in the archives and this does not appear to be a common issue. There was one post where FJ4ever adjusted a pot on the back side of his tach fixing his issue. My feeling is in a perfect world that should not need to be adjusted.

Anyone seen this and what did you find?

Thanks,
93 FJ1200 FZR1000 wheels, Vance and Hines SS2R, Hank Scott jets R1 Monoblocks. Cartridge forks in the works.

1985 RZ350 couple mods
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