2 days a go I asked about some problems whit my Katana, after a research I found out that K&N filters where probably the ones causing problems, i decided to try something up, i covered every pod whit a baby sock, started the bike and toke har for a ride, no more problems!!! the bike responded 100% and more powerfull than before, so i think i will go back to the original airbox whit a suzuki air filter. NO MORE K&N!!! for me.
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what was it sucking to much air? making it lean, hence loss in power? The carbs weren't jetted i bet...esp. if you have an after market exhaust
I dont have "hobbies" I'm developing a robust Post-Apocalyptic skill set....
http://www.excessivehoppyness.blogspot.com
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Apparently the K&N does allow to much air through, causing a lean situation. I know that CP posted something about it a while back, but don't ask me where it is. I wouldn't even know what to search for.
Also, jetting really doesn't make a difference. Ivan's kits call for a stock airbox.Pain is just weakness leaving the body.
-Unknown Author
The quarrels of lovers are the renewal of love.
-Terence
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Originally posted by Carlos View Post2 days a go I asked about some problems whit my Katana, after a research I found out that K&N filters where probably the ones causing problems, i decided to try something up, i covered every pod whit a baby sock, started the bike and toke har for a ride, no more problems!!! the bike responded 100% and more powerfull than before, so i think i will go back to the original airbox whit a suzuki air filter. NO MORE K&N!!! for me.
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Besides just being lean
pod filters on the carbs allow turbulant air to rush directly into the carb at sharp angles and that causes **** poor fuel metering and inaccurate jetting. At the very least you need 2~3" velocity stacks on there between the carbs and pods to help straiten the air flow and speed up inatke air speeds.
but keep in mind the fact the K&N recommend foam pre-filters for their filter in dusty conditions because they allow so much dust through... you are best to keep the OEM air box on there.
The OEM filter/air box is not the bottle neck of the bikes performance98 GSX750F
95 Honda VT600 vlx
08 Tsu SX200
HardlyDangerous Motosports
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Originally posted by SweetLou View PostI like my pods. Then again, it has been jetted and has the exhaust to handle it.:mrgreen:
The higher the intake velocity the more power the engine will make and don't think for a second that was not taken into account when designing the cam profile and cam overlap. With pods on the carbs you greatly lower intake air velocity and increase air turbulance.
Unless this is a flat out drag bike... it will make more usable HP with an air box.Last edited by hardlydangerous; 03-01-2008, 03:33 AM.98 GSX750F
95 Honda VT600 vlx
08 Tsu SX200
HardlyDangerous Motosports
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Originally posted by hardlydangerous View PostThe higher the intake velocity the more power the engine will make and don't think for a second that was not taken into a**** when designing the cam profile and cam overlap.
IMO the Suzuki engineer spent 15 minutes designing the Katana air box, on a Friday, right before the department's annual visit by the Team Suzi Umbrella girls.. Who just had their clothes ripped off by a freak typhoon on the way into the building...
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