KOSO Proton RPM & Hour Meter
Monitor engine performance and run time with the KOSO Proton RPM/Hour Meter — a compact, easy-install gauge that gives precise RPM readouts and cumulative engine hours for virtually any powersport vehicle.
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Accurate RPM display: Shows engine speed from 0 to 20,000 RPM for motorcycles, ATVs, scooters and more.
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Engine hour tracking: Records total run time up to 999.9 hours to help schedule maintenance and extend engine life.
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Max RPM memory: Automatically logs peak RPM for performance monitoring.
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Universal compatibility: Battery-powered (CR2032 replaceable) design makes it suitable for nearly any power sport vehicle without complex wiring.
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Compact, readable design: Lightweight housing with a large LCD and removable faceplate plus all necessary hardware for a clean, simple installation.
Whether you’re tracking maintenance intervals or tuning for peak performance, the KOSO Proton Meter delivers reliable data in a sleek, user-friendly package.
