I took the carbs off my 97 zx7r spun the engine over and looking down towards the valve behind carburetor number 2 I See Spark when it's trying to crank I don't see it on the other three what could be causing this
First thing you need to do is get an inline spark plug tester and make sure spark is getting to the base of the plug in the first place . If it is change plugs check gaps.
If not check the coils that send the spark. If that's good but not reaching plug then wire problem if not make sure they are good or getting power
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