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Old September 18th, 2013, 07:40 AM   #9
choneofakind
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The reason that the battery could be your issue is because your bike is run by an electrical system that won't fire unless certain criteria (like battery voltage) are met.

Think about it; you have an ecu, 2 injectors, secondary butterfly servo, a fuel pump, a throttle sensor, an oxygen sensor (which has to be warmed up with a coil), a manifold pressure sensor, an air density sensor, an engine temp sensor, and a flywheel sensor all being used to sense what your engine needs and keep it running. That's a lot of electrical load, especially during a startup. If your battery is low enough that the ecu either gets low voltage or decides it hasn't met the 'start' criteria, your bike won't start, no matter how long you crank it.
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