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Better Acceleration & Torque!

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Old 12-31-2007, 12:00 PM
  #1
 
Join Date: 01-29-2007
Location: Pretoria, South Africa
Bike(s): Honda VTR1000 SP2 '03; Honda VTR1000 Firestorm '99
Age: 25
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Better Acceleration & Torque!

Hi all

I've done a test today to prove to myself that the flapper valve disconnection gives more power. I've done the following tests with video to see if my acceleration is better between 3000-7000 rpm in 3rd gear.

I've come up with the following results in 3rd gear:

Flapper valve connected / 3000 -7000 rpm / 7 Seconds
Flapper valve disconnected / 3000 -7000 rpm / 6 Seconds

You can feel better throttle response and more torque in midrange!
I had a 2004 Aprillia RSV Mille and loved the midrange torque. Now my SP2/RC51 feel even better! Honda rule!

Thanks all/ RC51.org for the tip and help!

Anybody else got similar tests?

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Old 12-31-2007, 1:03 PM
  #2
 
Join Date: 10-28-2007
Location: Englehood, NJ
Bike(s): 2002 Honda RC51 SP2
Posts: 44
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Re: Better Acceleration & Torque!

just completed this mod, among many others but at the moment my bike wont start so until i can figure out why it wont start i wont notice much difference, lol
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Old 01-01-2008, 10:24 AM
  #3
 
Join Date: 09-12-2007
Location: Honolulu, HI
Bike(s): 2002 RC51
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Re: Better Acceleration & Torque!

When I first got my RC, it used to stutter when the flapper flapped shut. It noticeably sucked. The mod wasn't exactly fun to do, but once I got it all out, my RC ran way better and looked nice and clean. I was amazed at how much junk I yanked out. IMHO, the flapper/PAIR mod should be one of the first things on the list for any new RC owner.
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