Max420 Posted August 3, 2021 Posted August 3, 2021 Hi just but a new sports exhaust on my yzf r 125 and it's bogging and it not going over 30mp can any on help can out up a video help thank for the help in advance Quote
TimR Posted August 3, 2021 Posted August 3, 2021 Basically ...You may need to remap the ecu or jet the carb accordingly as the exhaust can change the dynamics of how an engine runs ... Quote
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