I don't know what's wrong with my Honda cbr f4i 02

I have a f4i 02. Something is draining my battery, I've been through 4 batteries in 2 weeks; I even replaced the stator and recitifier but my battery is only running 8.6 volts while at 3krpm. When I try to start the bike it just makes this loud clicking noise from the battery being low. I can put a new battery in and about a day later it will die… Someone please help. This is becoming such a headache

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