I have a 2008 xb9sx totally stock, and I think it has the original ecm flash because the fan runs after shut off. My ? is do I have the bike reflashed to the latest factory update before tuning the bike this spring or leave alone and tune as is? I have a K&N filter and stock exhaust.Does anyone know the TSB number of the reflash so I can bring it to the dealer who already told me he didn't know of any reflash available.