![Import Service Article Image Import Service Article Image](https://www.performancetechnician.com/pdf/1991/02/199102IS_RX7Carb1.jpg)
It’s been years since I first heard the over-rev warning buzzer on an old Mazda RX-3. It served its purpose. I was startled enough by its screaming to relax my right foot a bit-which was the buzzer’s intention all along. What a shame. The little round and round engine had just been getting warmed up.
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