Koso meters are designed to give riders clear, reliable information in a compact and modern display, making them a smart upgrade for both custom builds and everyday motorcycles.

The new Pro 1 meter has a wide and bright backlit screen for easy reading even in the darkest conditions. It also features an RPM and temperature warning to help prevent damages to your engine.

• Tachometer/RPM information for performance monitoring
• Easy-to-read display with backlight functionality
• Temperature monitoring where supported

Specifications

• Tachometer Range: 0 ~ 20,000 RPM | | Unit: 100 RPM.
• Total hour meter Range: 0 ~ 99,999 H | | Unit: 1 H.
• Hour meter A/B Range: 0 ~ 99.999 H | Unit: 1 H.
• RPM warning / shift‑light Range: 5,000 ~ 20,000 RPM | | Unit: 100 RPM.
• Backlight brightness Range: 1/5 (darkest) ~ 5/5 (brightest) | | Unit: 20% per level.
• Effective temperature range 14 ~ 140 °F (‑10 ~ 60 °C)
• Maximum RPM record Range: 0 ~ 20,000 RPM.
• RPM input pulse Range: 0.5, 1 ~ 6.
• Volt meter Range: DC 8 ~ 18 V.
• Thermometer Range: 32 ~ 482 °F (0 ~ 250 °C) | Unit: 0.1 °F or °C (alternative)
• Top temperature record Range: 0 ~ 482°F (0 ~ 250°C)