Lambda kit -KOSO Mini4- 4-stroke - used for e.g. Vespa GTS125-300

MINI | Air/Fuel Ratio Meter
This meter is specially designed for adjusting the carburetor or fuel injection system of 4-stroke engines. Its internal battery makes it easy to switch from one engine to another without disconnecting any wires. When the instrument is permanently installed on an engine, simply connect the power to the gauge and you get a nice backlight. This mini air/fuel ratio gauge is the perfect tool for 4-stroke engine tuners!

Specifications

Air/fuel ratio
R: 12.2~17.2 | U: 0.1

Size of the meter
69.8 x 34.4 x 17.2 mm

Weight of the meter
47.6g

Effective temperature range
14 ~ 140 °F (-10 ~ 60 °C)

Backlight:
12V DC

Power supply voltage of the meter:
DC 12 (battery)

Power supply LCD
CR 2032

Battery life
± 450 H

Standard for the meter
JIS D 0203