FREE UK Postage On Orders Over £149.95
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Authorised UK Distributor of Koso & Daytona

KOSO DB-03R Multifunction Gauge

Code: KOS0004
  • £144.95
Item in Stock | Usually dispatched within 24 hours
  • Offers:
  • Free UK Delivery when you spend £149.95
Additional Options:
FREE UK 48 hour Postage on Orders Over £149.95 Order before 1pm for next day delivery at extra cost
  • Speedometer to 220 MPH 320KPH
  • Tachometer 0 - 20K programmable scale
  • 3 colour selectable backlight
  • Gear Position Indicator, Display range : N, 1, 2, 3, 4, 5, 6, 7, 8, 9,
  • Clock
  • Volt Meter
  • Programmable shift light 
  • Temperature gauge
  • Fuel Gauge
  • Warning Lights (indicators, High beam, EOBD, Neutral, Oil pressure)
  • Emarked
  • 12 volts DC

The new DB-03R from Koso is a multifunction gauge with a compact design offering all the features you may need - including warning lights and a gear indicator.


 SpeedometerDisplay range: 0~360 km/h (0~225 MPH)
 Display unit: km/h or MPH
› Display internal 
› OdometerDisplay range: 0~99999 km (mile), reset automatically after
 99999 km (mile) Setting unit : 100 RPM
› Trip meter A/BDisplay range: 0~999.9 km (mile),reset automatically after
 999.9 km (mile). Display unit: 0.1 km (mile).
› Total hour meterDisplay range: 0~99999 H. Display unit: 1 H.
› Hour meter A.BDisplay range: 0.0~999.9 H.
 Display unit: 0.1 H.
› Tire circumferenceSetting range: 300~2,500 mm
 Setting unit: 1 mm, Sensitive point: 1~20
› TachometerDisplay range: 0~10,000 / 0~12,000 / 0~15,000 RPM.
 Display unit: 10,000 RPM-Each level represent 166 RPM,
 12,000 RPM-Each level represent 200 RPM,
 15,000 RPM-Each level represent 250 RPM
› Display internal 
› The RPM Red, YellowSetting range: 1,000~15,000 RPM
shift lightSetting unit: 100 RPM
› WarningLight on (F-OFF) Flash (F-ON)
› MAX RPM recordDisplay range: 0~10,000 / 0~12,000 / 0~15,000 RPM
› The RPM input signal number settingSetting range 0.5, 1~24
› The RPM input pulseSetting range: HI (The positive wave pulse)
 Lo (The negative wave pulse)
› Temperature unitDisplay unit: ºC or ºF
› ThermometerDisplay range: 0.0~250.0°C (32.0~482.0°F) Display unit: 0.1°C (°F)
› Display internal 
› Over temp warningSetting range: 60~250°C (140~482°F)
› (Water temperature)Setting unit: 1°C (°F)
› Top temperature recordDisplay range: 0~250°C (32~482°F)
› Fuel meterDisplay range: 6 levels
 Display unit: Each level represent 16.6 %
 Setting range: 100?, 250?, 510?, 1200?, SW
› Clock24 H
› Volt meterDisplay range: DC 8~18 V. Flashing warning when
 Voltage lower than 11.5 V or higher than 15.5 v.
› Backlight brightnessSetting range: 1-5 (Darkest)~5-5 (Brightest)
RightDisplay unit: Each level represents 20 %
› Backlight colorSetting range: blue, orange, light purple
› Effective voltageDC 12V
› Effective temperature range-10~+60°C (14~+140°F)
› Meter standardJIS D 0203 S2
› Meter size120 X 68.5 X 44.1 mm
› Meter weightAround 127.3 g
› Indicator light colorNeutral-green, High beam-blue, Repeater-green, EOBD-amber,
 Oil-red, Temperature alarm-red, RPM shift light (Red, Yellow)
› Sensor typePassive speed sensor : BF019005
› Gear MeterDisplay range : N, 1, 2, 3, 4, 5, 6, 7, 8, 9,


We use Royal Mail for all shipments except for the specific FedEx service offered to international customers. 

Every effort will be made to dispatched the goods as soon as possible after your order has been accepted. However, we will not be liable for any loss or damage suffered by you through any reasonable or unavoidable delay in delivery. In this case, we may inform you of the delay and the reason for the delay as soon as is practical.

Royal Mail 24 Hour tracked is not a guaranteed service as noted in Royal Mail's terms and conditions we do not except any liability for shipments that take longer than one working day to be delivered. We cannot open an investigation with Royal Mail until after 1 week of the posted date.

Royal Mail 48 Hour tracked is not a guaranteed service as noted in Royal Mail's terms and conditions we do not except any liability for shipments that take longer than two working day to be delivered. 

Free postage is only offered on UK 48 hour postage not any of the other services we provide.


Goods which prove unsuitable may be returned for refund, credit or exchange if they are returned to ourselves within 14 days of receipt. Subject to the following conditions:

-  Item(s) are returned carriage paid.
-  Item(s) are received in a resalable condition.
-  Item(s) should be returned unused in their original condition in order to secure a refund.
-  Item(s) are returned complete with all packaging in good condition. (We reserve the right to levy a charge to replace product packaging which is damaged or defaced).
-  We cannot accept any items which have been specially ordered for you or manufactured to your specification for return.
-  All returns are to be accompanied by the sender's name and address, invoice number (these are found on the invoice), and reason for return. 
-  We cannot accept responsibility for returned parcels which are undelivered, please retain your proof of postage etc. You may require it in the event of a claim with your carrier.