Koso Air-Fuel Ratio Meter

The Koso DL-03A air-fuel ratio gauge represents an advanced multifunctional tool designed for motorcyclists who wish to optimize their vehicle's performance. Equipped with a BOSCH® LSU 4.9 sensor, this device not only accurately displays the air-fuel ratio but also records engine RPM data, providing a comprehensive overview of performance.

The versatility of the DL-03A is evident through its multiple functions: in addition to displaying the air-fuel ratio, the device also serves as a tachometer, digital voltmeter, and includes five LED indicators for immediate monitoring. Its advanced technology is further enhanced by a heated screen, ensuring clear readings even in the harshest weather conditions. The round digital display, with large digits and bright backlighting, is designed for easy readability, with the option to adjust brightness across five levels.

With compact dimensions of 72 x 32.3 mm, the gauge integrates perfectly into any dashboard without taking up valuable space. The tachometer has a measurement capacity of up to 14,000 RPM, with RPM displayed in numeric format and in 14 segments. Additionally, the device offers alerts for a lean or rich air-fuel ratio, allowing users to set maximum values for optimal performance management. The RPM data memory allows for recording of up to 30 runs, with a maximum recording time of 3.15 hours, making the Koso DL-03A an indispensable companion for any motorcycle enthusiast.

With a 12V power supply and European certification, this tool is a must-have for anyone looking to monitor and improve their motorcycle's performance, ensuring a more informed and high-performing riding experience.

• BOSCH® LSU 4.9 sensor
• Air-fuel ratio display
• Engine RPM data recording
• Tachometer
• Digital voltmeter
• 5 LED indicators for immediate monitoring
• Heated screen for clear reading in adverse conditions
• Round digital display with large digits
• Bright backlighting with 5-level adjustment
• Compact dimensions: 72 x 32.3 mm
• Measurement capacity up to 14,000 RPM
• RPM display in numeric format and in 14 segments
• Alerts for lean or rich air-fuel ratio
• Maximum value settings for performance management
• RPM data memory to record up to 30 runs
• Maximum recording time: 3.15 hours
• 12V power supply
• European certification