Koso Universal Mini 3 Air Fuel Ratio Gauge

Koso's Mini 3 air/fuel ratio meter was especially designed to help you tune your carbureted or fuel-injected engine. This meter can be easily installed on any type of 4-stroke engine by installing the sensor in the exhaust system and connecting the instrument to a DC 12 V source of power.

• Kit includes everything needed for installation.
• Note: Compatible with 4-stroke engines ONLY.

Detailed Specifications:

• Air/fuel ratio meter:
• Display range: 12.2 ~ 17.2.
• Setting unit: 0.1.
• Effective temperature range: 14 ~ 140F (-10 ~ 60C).
• Effective voltage: DC 12 V.
• Meter standard: JIS D 0203 S2.
• Meter size (L x W x H): 2-3/8 x 7/16 x 1-3/16" (60 x 11.5 x 30 mm).
• Meter weight: 0.78 ounces (22 grams).
• Sensor type: Race type O2 sensor: BG000S01.