Flapper valve... : Honda CBR 1000RR Motorcycle Forums: 1000RR.net

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Old 11-26-2012, 07:39 PM   #1
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Question Flapper valve...

What's this flapper valve everyones been raving about? LOL how do you remove it (can it be done by DIY or does one have to utilize a shop?) For those who have done the mod, are you feeling any difference in terms of performance?


Thanks in advance!
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Old 11-26-2012, 07:48 PM   #2
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Well for the 08 it's simple I'm sure 07 is easy as well but I don't think it's noticeable at all really I just did it because my bike was in shambles and I heard its the cool thing to do hahahah


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Old 11-26-2012, 09:00 PM   #3
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07 is a lot easier to do than the 08....i remember just disconnecting the vaccum hose and plug it with a screw


it did help with giving a smoother takeoff
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Old 11-26-2012, 09:50 PM   #4
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Is it bad to remove it? I mean it's there for a reason right lol
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Old 11-26-2012, 09:55 PM   #5
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You're just gonna loose a little back pressure .. But if you think about it .. You remove it when you replace the exhaust anyway so it doesn't matter

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Old 11-26-2012, 10:00 PM   #6
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Lol oops wrong flapper i think

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Old 11-26-2012, 10:14 PM   #7
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Quote:
Originally Posted by Visionary View Post
Is it bad to remove it? I mean it's there for a reason right lol
Yes its there for a reason, this will explain things

http://www.speedysgarage.net/hondacb...flappermod.htm

You can go further with the poor man's intake mod
or just replace the entire intake with an A-Tech or HRC replica
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Old 11-27-2012, 12:11 AM   #8
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Quote:
Originally Posted by Rocketj21 View Post
Yes its there for a reason, this will explain things

http://www.speedysgarage.net/hondacb...flappermod.htm

You can go further with the poor man's intake mod
or just replace the entire intake with an A-Tech or HRC replica
Awesome explanation, thank you sir ...now i've already had a map made specific to my mods (full exhaust/air filter) should i have another map made including this mod or drive it as is?
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‎"What can you ever really know of other people's souls—of their temptations, their opportunities, their struggles? One soul in the whole creation you do know: and it is the only one whose fate is placed in your hands."

"The only people who achieve much are those who want knowledge so badly that they seek it while the conditions are still unfavorable."
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Old 11-27-2012, 03:28 AM   #9
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Oh, most definitely. Very nice.

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Old 11-27-2012, 04:14 AM   #10
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i did mine quick and easy - if anything can notice a lil tone change before 5krpm
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