F4i---Tape Airbox VS. Ram Air Tubes

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Old Sep 22, 2008 | 12:11 PM
  #21  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by xXxNO LOVExXx
i have a stock 08 r6 exhaust and with or without one side covered, the bike bogs real bad. did the same think with a cut down 2 brothers also... dunno what the problem is. couldit be a bad map since my idle is a little jumpy? thing pulls like ****

but not i bent a piece of sheetmetal to cover the right side and i relocated my ignition there so its super out of the way. might aswell keep it lol

i get no bog from my r6 pipe, do you have the clean air mod? the only time i get bog is when i accidently grab the HB hard and gas at the same time but thats just from the brake. i also tape one side this weekend and rode all weekend and noticed that the idle stayed more consistant but i have a k/n filter also.

Last edited by Ethiopian; Sep 22, 2008 at 12:14 PM.
Old Sep 22, 2008 | 12:53 PM
  #22  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by Towlieee
I think the only reason peolpe tape the air box, is because aftermarket filters like K&N flow TONS more air, and kill low end torque..

if you run a stock filter, it shouldn't make much difference how you run it..


but with a K&N, its better to tape one side..

Persoright side taped off lol..nally, I have all my wires shoved in the left side of my air box, and my





I personally don't notice any difference with the ram air tubes on, or taped air box, or no tape..

But I still tape my air box! And I also have 2 plates welded in my cut exhaust.. quiets the exhaust down, and should increase back pressure a lil bit, more like stock



i do the same,,, they fit in perfect,
Old Sep 22, 2008 | 01:23 PM
  #23  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by CRA$H AZ
nah i only notice it when the bike is just sitting and idleing.....ive heard it could be one of many things
At idle is what i'm talking about. It will make it idle up and down.
Old Sep 22, 2008 | 02:01 PM
  #24  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by xxMICKEYxx
At idle is what i'm talking about. It will make it idle up and down.

i'll look into it.....may be on here later for help if i cant find my map sensor
Old Sep 22, 2008 | 02:22 PM
  #25  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

I waded up a bunch of newspaper and shoved in one of the sides of my airbox a while back at the lot just cuz it was all I had.
it actually helped the way my bike was pullin...(snorkels off)


It's still in there too... LOL
Old Sep 22, 2008 | 06:07 PM
  #26  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by Ethiopian
i get no bog from my r6 pipe, do you have the clean air mod? the only time i get bog is when i accidently grab the HB hard and gas at the same time but thats just from the brake. i also tape one side this weekend and rode all weekend and noticed that the idle stayed more consistant but i have a k/n filter also.
stock filter and no clean air mod and i run a -2 front with a 58 rear. i get bog doin idle stuff and when the idle drops it doesnt come back up. idle doesnt hold. who the **** knows... ill just wind up buying a map sensor at some point.

but, the blockoff also holds my ignition so that aint goin anywhere lol
Old Sep 26, 2008 | 10:26 AM
  #27  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by xXxNO LOVExXx
stock filter and no clean air mod and i run a -2 front with a 58 rear. i get bog doin idle stuff and when the idle drops it doesnt come back up. idle doesnt hold. who the **** knows... ill just wind up buying a map sensor at some point.

but, the blockoff also holds my ignition so that aint goin anywhere lol
well, you need to figure out if it's a lean bog or flood bog.

Also, i noticed when my throttle bodies were out of sync the bike didn't idle very well. I synced them up and it pulled and no bog.

Maybe try that. I'm not up on all the electronics on those new bikes though. To me that is too much **** to mess with for stunting. Way too much to go wrong with electronics. I think the 08 r6's are throttle-by-wire also which is a joke. I'd rather tell the bike what to do than have the ECU deside if i'm giving it too much throttle or whatever.
Old Sep 26, 2008 | 02:01 PM
  #28  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by xXxNO LOVExXx
stock filter and no clean air mod and i run a -2 front with a 58 rear. i get bog doin idle stuff and when the idle drops it doesnt come back up. idle doesnt hold. who the **** knows... ill just wind up buying a map sensor at some point.
my bike use to bog like a mother ******(I kept ******* my bike up too, because in O's Id hit the gas,nothing happen,gas it more, then 1/2 second later the power would kick in so fast the bike would rip right outta my hands) but then I broke my thumb and foot and didnt ride for 4 months, and now its got like 636 throttle response

Originally Posted by binder929rr
Also, i noticed when my throttle bodies were out of sync the bike didn't idle very well. I synced them up and it pulled and no bog.
I need to sync mine, my idle jumps all over the place.
Old Sep 26, 2008 | 11:41 PM
  #29  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by binder929rr
well, you need to figure out if it's a lean bog or flood bog.

Also, i noticed when my throttle bodies were out of sync the bike didn't idle very well. I synced them up and it pulled and no bog.

Maybe try that. I'm not up on all the electronics on those new bikes though. To me that is too much **** to mess with for stunting. Way too much to go wrong with electronics. I think the 08 r6's are throttle-by-wire also which is a joke. I'd rather tell the bike what to do than have the ECU deside if i'm giving it too much throttle or whatever.
bike runs a little rich from the exhaust, but not too much. its an 02 f4i with only an r6 pipe... should be close to stock backpressure.

Originally Posted by *Tanus*
my bike use to bog like a mother ******(I kept ******* my bike up too, because in O's Id hit the gas,nothing happen,gas it more, then 1/2 second later the power would kick in so fast the bike would rip right outta my hands) but then I broke my thumb and foot and didnt ride for 4 months, and now its got like 636 throttle response

I need to sync mine, my idle jumps all over the place.
thats what the bikes been doin. i can hear it bog, then it jumps like a second later. its ******* annoying! even if i turn the idle up higher, it slowly creeps back down to like 2500. it must be the east coast in the bike wanting to run low rpms
Old Sep 27, 2008 | 02:32 AM
  #30  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

my F4 definately bogs with no ducts but then again it generally runs a bit rich with my chopped stock exhaust so it would probably pull hard if i re-jet and tune my carbs for a new setup
Old Sep 27, 2008 | 12:00 PM
  #31  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by xXxNO LOVExXx
bike runs a little rich from the exhaust, but not too much. its an 02 f4i with only an r6 pipe... should be close to stock backpressure.

yes, you are true here

thats what the bikes been doin. i can hear it bog, then it jumps like a second later. its ******* annoying! even if i turn the idle up higher, it slowly creeps back down to like 2500. it must be the east coast in the bike wanting to run low rpms

so no other mods to it?

Throttle bodies being out of sync can cause this jumping.

Also, are you using the stock idle? the stock idle is tied into electronics and the autochoke. It usually pulses and doesn't stay steady. You need to get another throttle cable and run it between the 2 and 3 throttle bodies. That makes a huge difference. Once you have that done, make sure that the new idle control is set so it doesn't change anything, then adjust the stock idle so the bike is normal idle (1200-1500 or so) then from there you can start using your new idle cable.

If the original idle isn't set good, as in it's set too low and you start messing with the secondary cable then it won't be steady. Tony had this problem the other day on his new f4i and i started messing with things and found the stock idle was around 600 rpms. adjusted it and bam, good to go.

I would definitely get the throttle bodies synced though. that seemed to help a great deal with my f4i.

Also, something that helped my bike a little, well, noticeably, was the oil pickup. People are skeptical on this, but when i added it it did make the bike much smoother. stuntex oil pickup is what i have in it. Tony (crazy636stunter) can attest to this because he's rode mine, his, and *****'s f4i and mine is the only one with it.

anyways, there ya go. hit me up and let me know if you get the problem solved. My 929 was that way and it was annoying.
Old Sep 27, 2008 | 02:23 PM
  #32  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Stock sprockets stock original air cleaner no tubes. wires and harnesses stuffed in the left side, right is open . micron exhaust cut and uncut.. I only get the "bog" mabe once a day out at the lot.. just clutch it and save it.. you will get use to it. I wouldent worry about it.
Old Sep 27, 2008 | 02:38 PM
  #33  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

i heard sycronizing the throttle boddies makes night and day difference
Old Sep 27, 2008 | 06:05 PM
  #34  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by binder929rr
so no other mods to it?

Throttle bodies being out of sync can cause this jumping.

Also, are you using the stock idle? the stock idle is tied into electronics and the autochoke. It usually pulses and doesn't stay steady. You need to get another throttle cable and run it between the 2 and 3 throttle bodies. That makes a huge difference. Once you have that done, make sure that the new idle control is set so it doesn't change anything, then adjust the stock idle so the bike is normal idle (1200-1500 or so) then from there you can start using your new idle cable.

If the original idle isn't set good, as in it's set too low and you start messing with the secondary cable then it won't be steady. Tony had this problem the other day on his new f4i and i started messing with things and found the stock idle was around 600 rpms. adjusted it and bam, good to go.

I would definitely get the throttle bodies synced though. that seemed to help a great deal with my f4i.

Also, something that helped my bike a little, well, noticeably, was the oil pickup. People are skeptical on this, but when i added it it did make the bike much smoother. stuntex oil pickup is what i have in it. Tony (crazy636stunter) can attest to this because he's rode mine, his, and *****'s f4i and mine is the only one with it.

anyways, there ya go. hit me up and let me know if you get the problem solved. My 929 was that way and it was annoying.
na i have an extended secondary adjust cable. my stock idle control is untouched as far as i know...

ill try all this stuff and let you know what happens. bikes all apart for paint anyways
Old Sep 27, 2008 | 07:23 PM
  #35  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by xXxNO LOVExXx
na i have an extended secondary adjust cable. my stock idle control is untouched as far as i know...

ill try all this stuff and let you know what happens. bikes all apart for paint anyways

do the clean air-mod while its apart, its worth it.
Old Jan 26, 2009 | 11:58 AM
  #36  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

sorry to dig up this thread but i'm asking this for my buddy...

he has a F4i wich he bought with a full acrapovic exhaust, when the bike was full fairing it ran great, but now that its streetfighter its idles like crap and runs shitty... could this have something to do with the ram air ducts not being on the bike??? the bike has every mod done to it (clean air, idle mod, tip sensor) and has a stock air filter... we also tried taping one hole off the airbox but that didnt fix the problem...

thanks in advance, Kristoff
Old Jan 26, 2009 | 02:45 PM
  #37  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by Big Float
I was at the little spot by my house tonight on my newly acquired F4i.
I tested idle with the ram air tubes on and then with one on and the other side taped off.

i switched about four times in an hour and a half. It felt better on idle (harder & smoother) to me with them on, and felt not as sluggish just riding with them on too.

I know of at least 3 people I ride with that have one side taped off, I dont see the hype?

I remember seeing some posts a while back where Borne was swearing that leaving the ram air tubes on pulls better idle and overall runs better.

anyway Im gonna test it again tomorrow, just wanted to get some opinions on the matter from those who HAVE TRIED BOTH.
YOU TAPE ONE SIDE OFF WHEN YOU DO THE AIR MOD. IF this is not done to your bike dont tape one side.
Old Jan 26, 2009 | 02:45 PM
  #38  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

anyone?
Old Jan 26, 2009 | 03:05 PM
  #39  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by poni
no real idle issues but had to put a silencer tip in to decrease angry phone calls from neighbours. the idea about the map sensor may be true.....my bike just runs like **** in 4-5th gear at cruising speeds and that's a back pressure problem....running your wires through the air ducts shouldn't choke off the intake air, most stunters are doin wheelies at low speeds anyways i think i'm putting my wires through the duct too and re-packing the tailpipe...
Are you really running a silencer or just kidding? I ask b/c my exhaust is stupid loud and I've been trying to figure out a way to quite it down. Did you use a dirt bike silencer or what? Do you have a pic?
Old Jan 26, 2009 | 04:07 PM
  #40  
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Re: F4i---Tape Airbox VS. Ram Air Tubes

Originally Posted by OnPoint
Are you really running a silencer or just kidding? I ask b/c my exhaust is stupid loud and I've been trying to figure out a way to quite it down. Did you use a dirt bike silencer or what? Do you have a pic?
ummmm yea you can buy them for my pipe.....i got a yosh, carbon fibre deally-pooh ****. it's chopped bout 2/3ds down, the glass pack is out and it's really raspy and snappy...it's the one FOR the pip itself was lijke 27bucks.......would like to take it out or re-pak my pipe....

if you cut ur stock pipe you may not be able to buy one yet if you drill out ur rivets and re-pack ur pipe it may help to keep the cops off ur tail ...i'm actually really surprised i havn't gotten a noise violation yet.



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