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FCR Tuning - Changed from MJ(Main jet) 125 to 120 - 2022-06-18...
I mainly tried the MJ main jet. It's not in bad condition now,and when I drove on the expressway,the air-fuel ratio was 12.5 at full throttle and partial. It is unclear whether it is accurate at full throttle because it is difficult to measure the air-fuel ratio during partial and acceleration,and it is difficult to maintain the throttle opening for a long time.