Skip to content
  • KOSO 28MM KCR Carburetor
    KOSO

    28MM KCR Carburetor

    $182.99

    The Koso round slide KCR carburetor is designed to maximize the air/fuel ratio for a better performance for 4-stroke engine. Built from the best qu...

    View full details
    $182.99
  • 5-Level Heated Grip 7/8" + 7/8"
    KOSO

    5-Level Heated Grip 7/8" + 7/8"

    $99.99

    Our elegant grips made for ATV and snowmobile use a revolutionary heated structure that delivers heat faster than ever. The 5-level temperature con...

    View full details
    $99.99
  • 5-Level Heated Grip 7/8" + 7/8" with heated thumb
    KOSO

    5-Level Heated Grip 7/8" + 7/8" with heated thumb

    $115.99

    Our elegant grips made for ATV and snowmobile use a revolutionary heated structure that delivers heat faster than ever. The 5-level temperature con...

    View full details
    $115.99
  • AC/DC converter
    KOSO

    AC/DC converter

    $60.99

    This small AC/DC Converter made of aluminum will convert AC power into DC power. The AC/DC converter’s compact size and strong resistance make it t...

    View full details
    $60.99
  • Adjustable RPM signal filter
    KOSO

    Adjustable RPM signal filter

    $43.99

    This Adjustable RPM Signal Filter helps to stabilize bouncy RPM reading on your meter.  Its adjustable function from 0 to 100 kΩ makes it ideal for...

    View full details
    $43.99
  • Apollo Heated Grip 7/8" + 7/8"
    KOSO

    Apollo Heated Grip 7/8" + 7/8"

    $195.99

    Our Apollo heated grips are designed with an integrated adjustable thumb switch, which allows them to easily fit on most ATVs and snowmobiles on th...

    View full details
    $195.99
  • Apollo Heated Grip 7/8" + 7/8" + thumb
    KOSO

    Apollo Heated Grip 7/8" + 7/8" + thumb

    $209.99

    Our Apollo heated grips are designed with an integrated adjustable thumb switch, which allows them to easily fit on most ATVs and snowmobiles on th...

    View full details
    $209.99
  • Bung, cap and washer kit
    KOSO

    Bung, cap and washer kit

    $29.99

    3 pieces kit includes: Bung Cap Aluminum washer

    $29.99
  • CNC Voltmeter
    KOSO

    CNC Voltmeter

    $80.99

    This LED volt meter is built in a nice and compact CNC aluminum casing. The green, yellow and red LED will help you to know the strength of your ba...

    View full details
    $80.99
  • Cylinder head temperature sensor 0-150°C
    KOSO

    Cylinder head temperature sensor 0-150°C

    $32.99

    The DB-03R is a multifunction meter with a modern casing that provides necessary critical readings. The DB-03r features all standard indicators nee...

    View full details
    $32.99
  • Cylinder head temperature sensor 0-250°C
    KOSO

    Cylinder head temperature sensor 0-250°C

    $37.99

    The DB-03R is a multifunction meter with a modern casing that provides necessary critical readings. The DB-03r features all standard indicators nee...

    View full details
    $37.99
  • DB-01R+ Speedometer
    KOSO

    DB-01R+ Speedometer

    $325.99

    Our DB‑01R+ multifunction meter is an upgraded version of our popular DB‑01R multifunction meter. Perfect for motorcycles, street fighters or dual‑...

    View full details
    $325.99
  • DB-02 Digital LCD Meter
    KOSO

    DB-02 Digital LCD Meter

    from $329.99

    This DB‑02 multifunction meter was especially made to fit your off‑road needs. Its small inner battery makes it usable on all dirt bikes and ATV’s ...

    View full details
    from $329.99
  • DL STYLE Universal Tachometer
    KOSO

    DL STYLE Universal Tachometer

    $229.99

    The DL style meter serie is built using a reverse LCD screen that gives it a unique look as they become completely dark when turned off. Another g...

    View full details
    $229.99
  • DL-01T Water temperature meter
    KOSO

    DL-01T Water temperature meter

    $199.99

    Koso’s DL‑01 meters use a reverse LCD display so when the meter is turned off, the screen is deep black.

    $199.99
  • DL-01V Voltmeter
    KOSO

    DL-01V Voltmeter

    $194.99

    The DL-01V Volt meter will give you the status of your battery at all time. This voltage meter’s backlight makes it easy to read even at night. The...

    View full details
    $194.99
  • DL-03A, Air/Fuel ratio & RPM data logger
    KOSO

    DL-03A, Air/Fuel ratio & RPM data logger

    from $539.99

    The DL-03A is the newest addition into our lineup of multifunction meters which features air fuel ratio reading, RPM and playback ability to opti...

    View full details
    from $539.99
  • EGT Clamp 60-80mm
    KOSO

    EGT Clamp 60-80mm

    $18.99

    EGT Clamp 60-80mm

    $18.99
  • EGT Meter
    KOSO

    EGT Meter

    $341.99

    KOSO EGT-01 Single exhaust gas temperature

    $341.99
  • EGT sensor fast response (clamp included)
    KOSO

    EGT sensor fast response (clamp included)

    $149.99

    Fast Response (28-CKTYPEX) sensor. Clamp size : 40-60mm Clamp Included

    $149.99
  • EGT Weld on bushing
    KOSO

    EGT Weld on bushing

    $38.99

    fits all EGT sensors Stainless steel

    $38.99
  • EX-02 Enduro Speedometer
    KOSO

    EX-02 Enduro Speedometer

    $148.99

    Developed by Enduro riders and made especially for them, this EX‑02 speedometer is the perfect solution for all Enduro applications. Lightweight, c...

    View full details
    $148.99
  • External thumb switch pour RX-2NS
    KOSO

    External thumb switch pour RX-2NS

    $33.99

    External Thumb Switch – for RX-2NS RPM Data Logger Fits on only RX-2NS RPM Data Logger For 7/8″ or 1″ handlebar

    $33.99
  • GEAR Indicator
    KOSO

    GEAR Indicator

    $229.99

    Gear indicatorR: N, 1, 2, 3, 4, 5, 6 Effective temperature range14 ~ 140 °F (‑10 ~ 60 °C) Effective voltageDC 12 V Meter standardJIS D0203 M...

    View full details
    $229.99