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2016 CBR1000RR
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Discussion Starter · #1 ·
I have an idle surge during engine warm-up between 150-165 degrees. It’s only during warm up tho… runs good, strong, smooth, come up to a light no surge. It’s literally only between these temps. I have a hot bodies slip on & mid pipe (it was on it when I bought the bike) and from what I understand, a stock tune on the ecu. The surge doesn’t really bother me bc it only happens between 150&165 degrees. But here in FL you don’t see at temp below 170 at a red light here on a cold day so idk. Do I need a tune for that? I mean Im happy with the overall performance of the bike otherwise. I did order a cs racing exhaust, waiting on it to come in…. So if it is a tune that I need I’ll wait until it’s installed to go down that route. But if there is something that y’all suggest I get sorted first I’m looking for input….
 

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2005 CBR1000rr
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867 Posts
I don't have any input on the surge, sorry. I think Hot Bodies slip-ons don't require any ecu changes. Just curious why you are changing the pipe...is it because of the surge, or do you not like the sound?
 

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It's because the cs racing exhaust looks so damn good!

I'm waiting to see how it affects my 2016 SP. I'll be going with RapidBike Evo, eventually, for fuel management. I put one on my Aprilia Dorsoduro and it totally transformed the bike.
 

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2016 CBR1000RR
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13 Posts
Discussion Starter · #4 ·
I don't have any input on the surge, sorry. I think Hot Bodies slip-ons don't require any ecu changes. Just curious why you are changing the pipe...is it because of the surge, or do you not like the sound?
I don’t like the sound. It sounds ok at idle and lower rpm’s but at mid range and high rpm’s it’s just a raspy screamer. And….. I like the clean ass look of the cs exhaust. I was just wanting to sort out any underlining issue (if I have one) before I start changing parts
 

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17 CBR1000RR SP
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219 Posts
Once you have the new exhaust on a reading with a O2 sensor will tell you if you are running lean, if you are lean that can cause a surge but not usually one so strong. A good tune can't hurt with the new exhaust. :)
 

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2016 CBR1000RR
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13 Posts
Discussion Starter · #6 ·
Thanks for the input…the surge is about a 300 rpm fluctuation. So not a huge deal I guess bc like I said it’s only during warm up. But I will definitely look into it further after I get the new exhaust and let y’all know what I come up with. Thanks again for the replies fellas
 
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