KOSO DB-02R (12V Version) Tachometer with Powertest – For Optimal Performance & Control

The KOSO DB-02R is a highly advanced tachometer designed specifically for vehicles with an onboard battery.
Its white backlight ensures clear readability at night, while features like the customizable bar tachometer and Powertest mode make it an excellent choice for riders demanding top performance and control.

Key Features

Speed Display

• Range: 0 – 360 km/h (0 – 225 MPH)

• Sampling rate: < 0.5 seconds

• Max speed memory: 0 – 360 km/h (MPH)

Odometer

• Total distance: 0 – 99,999 km (miles), auto reset

• Unit: 1 km (mile)

• Trip A/B: 0 – 999.9 km (miles), auto reset

• Unit: 0.1 km (mile)

Tachometer

• Digital: up to 20,000 RPM, unit: 10 RPM

• Bar display:

  • 10,000 RPM = 166 RPM per segment

  • 15,000 RPM = 250 RPM per segment

  • 20,000 RPM = 333 RPM per segment

• Max RPM recording: 0 – 20,000 RPM

• Input pulses: 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6 pulses

• Shift lights:

  • Main shift: 5,000 – 20,000 RPM

  • Pre-shift A/B: 500 – 5,000 RPM

Temperature Measurement

• Range: 0 – 250 °C (32 – 482 °F), 0.1 °C steps

• Alarm: 60 – 250 °C (140 – 482 °F), 1 °C steps

• Max temp memory: 0 – 250 °C (32 – 482 °F)

Fuel Gauge & Warning

• Fuel gauge: 0 – 100 %

• Compatible senders: 100 Ohm, 510 Ohm

• Warning: 10 – 50 %, in 10 % steps

Voltmeter

• Range: DC 0 – 18.0 V

• Unit: 0.1 V

Powertest Functions

• Target speed timer: 30 – 360 km/h (20 – 225 MPH), 5 km/h steps

• Distance timer: 1/32 – 30/32 mile (50 – 1,500 m), 50 m steps

• Top speed timer:

  • Speed: 0 – 360 km/h (0 – 225 MPH)

  • Distance: 0 – 999 m (0 – 3,280 ft)

  • RPM: 0 – 20,000

  • Stopwatch: 0 – 9'59"99 seconds

Other Functions

• Speed warning light: 30 – 360 km/h (19 – 225 MPH)

• Wheel circumference: 300 – 2,500 mm (1 mm steps)

• Hour meter: 0 – 999.9 hours

• Brightness: 1–5 levels (dark to bright)

• Power supply: DC 12 V

• Operating temp: -10 °C to +60 °C

• Standard: JIS D 0203 S2

Dimensions & Weight

• Size: 100 × 60 × 20 mm

• Weight: approx. 200 g

Lights

• Speed limit: Red

• Temp alarm: Red

• Pre-shift A: Yellow

• Pre-shift B: Orange

• Main shift: Red

Contents

• LCD gauge – 1×

• Power cable – 1×

• Tachometer cable set Type A – 1×

• Tachometer cable set Type C – 1×

• Temp sensor cable set – 2×

• PT 1/8 water temp sensor – 2×

• Reed switch speed sensor – 1×

• Magnet D6 × 5L mm – 1×

• Cable clamp – 2×

• Speed sensor bracket M8 / S-type – 1×

• Speed sensor bracket M10 / S-type – 1×

• Hex screw M5 × 5L – 2×

• Battery – 1×

• Allen key 2.5 mm – 1×

• Allen key 4 mm – 1×

• Gauge bracket – 1×

• Washer M5 – 2×

• Screw M5 × 15L – 2×