AFR AF1 Air/Fuel Ratio Wideband Module for UMA/ARacer ECU

0.65 kg
No tax

The UMA/ARacer wideband air/fuel ratio (AFR) module is a closed loop monitoring module for exhaust o2 levels. Accurately measure and tune easier with this module. Plug and play use with UMA racing/ ARacer ECUs.


  • High accuracy and high response speed
  • "Close Loop Fuel Compensation" with RC/RCMINI Plus ECU, UMA Racing M4/M5 ECU
  • Uses BOSCH wideband oxygen sensor
  • No need for calibration, just plug and play
  • Installation instructions included


Fitting (other):

All Aracer/UMA racing ECUs

Some bikes such as…

Honda RS150R/Winner/Supra/GTR150/Sonic (2016)

Honda CB150R/CBR150R (K45G) (2016)

Yamaha Y15ZR/Jupiter MX King/Spark/Exciter/Sniper T150 (non-VVA)

Yamaha YZF-R15 V2/MT-15/Fz150i Vixion V2(2014-17) (non-VVA)

Yamaha YZF-R15V3/MT-15/Fz150i-R (2018) (VVA)

Yamaha NVX/Aerox155/ NMAX 155 (VVA)

Yamaha YZF-R25/R3

Yamaha Xmax 250/300 (2018)

and many more…


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