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.

Our TNT‑04 multifunction meter is perfect for all special projects. It is equipped with a 8 color changeable LCD display and also uses a strong stepper motor that provides a precise and fast RPM reading so that you can get in‑time information.

• Clear speed and distance information
• Tachometer/RPM information for performance monitoring
• Easy-to-read display with backlight functionality
• Temperature monitoring where supported
• Voltage monitoring where supported

Specifications

• Tachometer Range: 0 ~ 10,000 RPM.
• RPM signal Range: P-0.5, P1 ~ P24.
• RPM input pulse Range: HI‑ACT (positive wave pulse) LO‑ACT (negative wave pulse)
• Over RPM warning Range: 1,000 ~ 10,000 RPM | Unit: 100 RPM Warning sign given once ≥ value.
• RPM Shift‑light Range: 2,000 ~ 10,000 RPM | Unit: 100 RPM Warning lights on > value.
• Maximum RPM mode Range: Light on (F‑OFF), Flash (F‑ON)
• Speedometer Range: 0 ~ 225 MPH (0 ~ 360 km/h) | Unit: MPH or km/h.
• Overspeeding warning Range: 19 ~ 225 MPH (30 ~ 360 km/h) | Unit: MPH or km/h Warning lights on ≥ value.
• Odometer Range: 0 ~ 99,999 miles (km) | Unit: 1 mile (km)
• Tripmeter A/B Range: 0 ~ 999.9 miles (km) | Unit: 0.1 mile (km)
• Tire circumference Range: 300 ~ 2,500 mm | Unit: 1 mm Sensitive point: 1 ~ 20.
• Thermometer Range: 32 ~ 482 °F (0 ~ 250 °C) | Unit: 0.1 °F or °C (alternative)
• Over temperature warning Range: 140 ~ 482°F (60 ~ 250°C) | Unit: 1°F (°C)
• Fuel meter Range: 6 levels | | Unit: 1 level = 16.6 %
• Fuel resistance Range: 100 Ω / 250 Ω / 270 Ω / 510 Ω / 1,200 Ω / Fuel switch / USER.
• Clock 12 H or 24 H format.
• Volt meter Range: DC 8 ~ 18 V | Flashing Warning light ≤ value.
• Backlight brightness Range: 1/5 (darkest) ~ 5/5 (brightest)