aRacer AF3 Professional Wideband with Bosch LSU 4.9 O2 Sensor (NEW)
aRacer AF3 Professional Wideband with Bosch LSU 4.9 O2 Sensor (NEW)
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  • Load image into Gallery viewer, aRacer AF3 Professional Wideband with Bosch LSU 4.9 O2 Sensor (NEW)
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  • Load image into Gallery viewer, aRacer AF2 Auto Tune Wideband
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aRacer AF3 Professional Wideband with Bosch LSU 4.9 O2 Sensor (NEW)

Vendor
DROWoffroad
Regular price
$319.99
Sale price
$319.99
Regular price
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Unit price
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The aRacer AF3 Professional AFR Module is the latest innovation in air-fuel ratio tuning, designed to plug directly into aRacer ECUs—no additional harness required. It features the new Bosch 4.9 wideband O2 sensor for exceptional accuracy and ultra-fast response times. The AF3 also supports the use of alcohol-based fuels including E30, E50, and E85, making it ideal for high-performance builds running alternative fuels. Whether you're tuning a Honda Grom, MSX125, or any motorcycle that needs precise AFR data, the AF3 is a must-have for smooth, optimized performance!

aRacer AF3 AFR Module works in conjunction with the aRacer DG-2 or aRacer SportD Multi-Function Display from aRacer with a 1 to 2 Harness.

NEW AF3 Features:

  • Faster: Response +10% improvement vs AF2
  • Support the use of alcohol fuel: E30, E50 and E85
  • Estimated high exhaust temperature warning (800c)
  • Advanced O2 Heating Control & Over Temperature Protection
  • Support Bosch LSU4.9 and LSU4.2 senors.
  • Diagnostic for Module & Bosch O2 sensor
  • Simpler: Simple Wire Connection (no longer require 1 to 2 cable)
  • Only supports RC Super X and RC Mini X ECU