Injector not working
Hi I have a yamaha ybr125 2008 I pulled bike apart to clean it up now it won't start ie theres no fuel coming through the injector I have tested the injector and replaced with new I have spark full charged battery . I even swapped the ecu from a running bike done all the test for voltage seems to be OK but still no fuel coming through fuel pump is OK its just the injector not active please help. I know ecu is ok so what else on these bikes makes injector work is there a sensor like throttle positioning sensor or what else scratching my head
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