it only back fires when he throttles out. he is trying to level it out without using that tool that measures each one..he seems to think that he may need a throttle body....does anyone know of a website that are pretty reasonable on there prices?
does anyone know what the firing order is on a 2003 hayabusa..and if so can you give a brief step by step of what i need to do first...bike is very loud and backfiring
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