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229 Posts
I've posted this over in the Drivetrain section. Put my W/B slip on onto my bike and started it up. Runs great until it hits high RPM's it sputters and pops. At first I thought it was running lean, jetted all the way up to 157.5, ran like crap then moved all the way back down to the 150. It still sputters at high RPM's. Is it possible that the new pipe made me run rich?? It doesn't make sense but do you think I need to go down in main jet size??? BTW i'm still running the stock intake and filter as of right now.
Sean
Sean