Mike,
Unless you've done other engine work, I don't believe a fuel controller is necessary since the RZR is Rich from the factory and besides that you would need to get an Wideband A/F Gauge/Sensor otherwise you would not know how to adjust the fuel setting.
Bart
Unless you've done other engine work, I don't believe a fuel controller is necessary since the RZR is Rich from the factory and besides that you would need to get an Wideband A/F Gauge/Sensor otherwise you would not know how to adjust the fuel setting.
Bart