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Discussion Starter · #1 ·
Just got a 2015 RGS. I've had a few sport bikes, and I just got rid of my VRod. I'm in love with the RGS already! Think I'll keep this one for a while. Now, here's my issue. Like I said its brand new; only 100 miles on it. Still breaking in the motor. The bike is completely stock. In neutral and I blip the throttle to about 3500, the bike back fires immediately. It backfires as soon as I release the throttle. Maybe an exhaust leak? New motor? Its going back to the dealer next week, but I'd like to know what your thoughts are. Thanks.
 

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It shouldn't backfire. It may have an intake leak or something along those lines. Have the dealer check it out.

You would be best served to at least do a stage 1.......intake, exhaust, and tuner. The bike will run much cooler and much better than it does now.
 

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Make sure there is a black nipple over the Ca. Emissions pipe under the gas tank. See previous post about the "Naked Nipple" for the location.
 

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Are you sure it's backfiring? Or does it sound more like a decel pop? My 2015 has a little popping doing exactly what you explain but is definitely not backfiring. I have also noticed that the intake is louder then my 12 was and some times while shutting my bike off I will here it cough out the intake a little. I figure this was all normal but do others experience this as well? I am also all stock right now.
 

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Discussion Starter · #6 ·
Thanks guys. It's going to the dealer on Thursday and I'll update. Its definitely a full blown true to life backfire. Not a decel pop. It will be interesting to find out what it is. My dealer is actually ok. Well,for any warranty work. I go to an indy for dyno tuning. I just want to make sure this motor is solid before I start modding it.
 

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Let the HD dealer take care of the problem the bike is under warranty, no matter what the backfiring isn't normal or right and there is only a few things that will cause the problem.
 
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