As low as $33.17/mo with or . (Pay in 4 interest-free payments)
KOSO Honda Grom Air/Fuel Ratio Gauge Accurate, compact AFR monitoring designed specifically for the Honda Grom. Plug-and-play connection to the OEM oxygen sensor for fast installation and reliable readings. Plug type: Direct fit to OEM O2 sensor Display range: 12.2:1 – 17.2:1 (0.1 increments) Power: 12V DC Size: 60 mm × 30 mm × 11.5 mm — slim profile for clean mounting Ideal for riders tuning performance or monitoring fuel efficiency. For mounting options, use the Top Clamp or Mini 3 universal gauge mount (sold separately). Why choose KOSO: Precision sensing, compact design, and Honda Grom-specific compatibility make this AFR gauge a practical upgrade for safer tuning and optimized engine performance.
Plugs into the OEM oxygen sensor
12 Volts DC
Top clamp or Mini 3 universal gauge mount sold separately (see below)
or 
. (Pay in 4 interest-free payments)
