Koso’s Mini-3 Air/Fuel Ratio meter is designed especially for Honda GROM 125 (2014-2021) using the OEM existing narrowband o2 sensor located on the right side of the cylinder head. Direct plug and play for 2014-2020 Honda Grom 125.
Gauge mounts (sold separately)
This Gauge will fit the 7/8″ Koso Top Clamp for a nice clean installation. For those who are looking for a more simple mounting solution other than the top clamp. an Ultra Slim Mounting Bracket.
NOTE: This gauge works with the existing narrowband o2 sensor on the cylinder head. It does not include any o2 sensor nor will it work with a wideband o2 sensor.
- Allows you to monitor air/fuel mixture from your OEM existing narrowband o2 sensor located on the cylinder head
- Easy installation for 2014-2020 Honda Grom 125
- Dimensions: 30.5 mm (1.2″) L x 60.5 mm (2.4″) W x 12.3 mm (.5″) D
This meter can be easily installed by plugging it into your OEM oxygen sensor and connecting the instrument to a DC 12 V source of power. and you’re ready to go!
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