900 & + Modifications This section is specifically for questions and advice pertaining to mods of the older models, 900 and up.

929 Ram air ducts!

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Old Jun 30, 2007 | 10:13 AM
  #11  
clean929's Avatar
Joined: Apr 2005
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Default RE: 929 Ram air ducts!

I have a set of the same ram air kit.. i'm willing to sell since i sold my bike..
 
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Old Aug 28, 2007 | 01:05 PM
  #12  
speedextreme's Avatar
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Joined: Aug 2007
Posts: 30
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Default RE: 929 Ram air ducts!

ORIGINAL: telepathboy

They're good for another 5-7 hp and it took me about 20min to install!
I hate to say this but this did nothing for HP!!! If it did anything it gave you maybe 1 HP.

Now my reasoning for saying this so you don't just think I don't know what I am talking about.


There was an article done by a few different magazines on a Kawasaki professionally built "top speed" bike. You know the ones that go 250mph and such at Bonneville Salt Flats??!! Well this bike they were talking about had working RAM AIR on it. The designer, the rider, the tuner, the mechanic and anyone else who was working with, on or for this bike said. "Anything below 150 mph the ram air does nothing, above 150 it makes maybe another 2 hp's. Anything in the 200+ range the ram air gives the bike another 3-5 hp's".

What you have done was, YES, created a ram air effect on a bike that has none. What this is actually doing is only getting "cooler" air into the airbox.

If you say that you dynoed the bike before and after and gained 5-7hp's, you are not telling us the truth. If your bike is on the dyno there is NO RAM AIR EFFECT!!! PERIOD. I don't care if you put a fan in front of the bike, do you honestly thing that any fan is able to produce the air force needed to act as 150mph+??? NOT!!!

And if you actually did the job correctly you would have a "Pressurized airbox", like ones used for turbos and superchargers. Basically you made a "cold air intake" on your bike that didn't do a damn thing for HP.

I am sorry if I rubbed anyone the wrong way on this but this is my knowledge. And trust me, I have been working on engines my later half of my life from Military Jets, to bikes, trucks and boats. And a few drag vehicles too, where cold air and ram air can be your friend. Your 5-7 hp increase is a load of ****e, and if you did dynoe it for that number then it was really cold where you are and the air was a whole lotbetter for hp #'s!!!!

Laters.
 
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Old Jun 26, 2024 | 05:45 PM
  #13  
Asmodeaus's Avatar
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Joined: Jun 2024
Posts: 5
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From: Lewiston, Maine 04240
Default Parts

Does anyone have these Ram air ducts? I am looking for em. Just got my 929rr and went looking for these and the micron exhaust. Both have been discontinued.
 
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