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Posted: **Tue Jun 28, 2011 4:59 am**

I just purchased my 2006 Yamaha Vstar 1100 Silverado 3 weeks ago. The previous owner had installed some Vance pipes. All was going well untill 3 days ago. Now it is backfiring when I am coasting down any hill. Is this backfire common with the Vance pipes or is there something that needs to be done? Such as a tune up. Greg

Posted: **Tue Jun 28, 2011 5:42 am**

If these are not just slip-ons, the carburetors probably need to be rejetted. Bike's probably running lean.

Posted: **Tue Jun 28, 2011 7:00 am**

Posted: **Tue Jun 28, 2011 2:15 pm**

This just started to happen all of a sudden?

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