KOSO

Thinner and lighter than its previous version, the XR‑SA speedometer, our innovative XR‑01S speedometer most importantly features a larger, higher ...

Thinner and lighter than its previous version, the XR‑S speedometer, our innovative XR‑01 speedometer most importantly features a larger, higher qu...

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

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

SpeedometerR: 0 ~ 225 MPH (0 ~ 360 km/h)U: MPH or km/h OdometerR: 0 ~ 99,999 miles (km)U: 1 mile (km) Tripmeter A/BR: 0 ~ 999.9 miles (km)U...

You can now customize your sportster with our high‑quality plug & play meter that is equipped with a 8 color changeable LCD display. Its steppe...

You can now customize your sportster with our high‑quality plug & play meter that is equipped with a 8 color changeable LCD display. Its steppe...

With its vintage look, our TNT‑02 is the perfect meter for all Café racers and special project bikes that require a small multifunction meter. Thi...

The new RS-2 meter is a complete multifunction meter that is focused on the serious rider who likes to log their data to improve riding skills. You...

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 ...

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...

KOSO EGT-01 Single exhaust gas temperature

Our hour meter will allow you to track the motor running time and schedule your next engine maintenance. User-friendly and quick to install, this c...

This compact and lightweight Mini 3 clock & volt meter features a clock and also the vehicle voltage. This meter can be very helpful especially...

Our Super Slim Style Volt meter is a small and compact size meter and makes it very easy to install at almost any location on the bike. The blue or...

This ultrathin Super Slim Style Clock & Volt Meter with blue digits will flash to warn you if the voltage is higher than 14.0 volts or lower th...

The Proton volt meter will allow you to visualize the vital signs of your motor vehicles battery saving you from potential troubles. Volt m...

This Mini 3 AMP & volt meter will give you the vehicle voltage and amps used. This meter can be very helpful especially when there is many elec...

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...

The KSR carburetor is based on PWK carburetor core but adapted for 4-stroke engines. It features a semi-flat D-style throttle valve that increases ...

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...