2009 Yamaha Kodiak 450 rev problems
 

My 09 Kodiak 450 spits and sputters and has no power when I try to accelerate in forward and reverse it sounds like it is flooded or not getting enough fuel. I Took the fuel tank off cleaned out the fuel tank clean and the fuel pump filter, cleaned the carburetor, replaced the air filter, checked the timing chain, and changed the spark plug. After all of that I tried Octane boost and that fixed it up till I refilled it with fuel but now even that won’t help that anymore.
Anybody have an idea of what’s happening?

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