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Thread: Performance air filter and air fuel mixture

Created on: 04/29/20 03:54 PM

Replies: 8

nevzzn


nevzzn's Gravatar

Joined: 04/26/20

Posts: 2

Performance air filter and air fuel mixture
04/29/20 3:54 PM

Hello guys I plan on installing a performance air filter on my Zzr1400 2012 model. The bike is standard except for Akrapovich exhausts. Would installing performances air filter alter the air fuel mixture and smooth running of the engine?

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mokaw


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Location: Bismarck, ND

Joined: 02/15/09

Posts: 157

RE: Performance air filter and air fuel mixture
04/29/20 4:34 PM

Take the stock air filter out and remove the metal screen that's on one side of it. The air-fuel mixture will still be ok. Dyno tests from Brocks show that the stock air filter flows better than most aftermarket filters, unless you get a Sprint filter from him. The Sprint filter showed a couple more horsepower on his dyno. Lee Pritchard, (smokinzx14) says the stock filter is best, with the screen removed. I would think he would know best. He's tried them all. He's run 8.40's on a stock motored 14R, stock filter with the screen removed.

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Hub


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Joined: 02/05/09

Posts: 12404

RE: Performance air filter and air fuel mixture
04/29/20 7:08 PM

As mentioned, remove screen = Smoother.



Tormenting the motorcycling community one post at a time

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Rook


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Joined: 03/28/09

Posts: 19462

RE: Performance air filter and air fuel mixture
04/30/20 12:28 PM

A race filter will only gain you 1-2 hp at peak. The Sprint might be better but whatever they claim may be exaggerated. For that small of a gain in hp, it isn't altering your AFR much at all. You'd have hard time tuning for that alone. It won't make any noticeable improvement in performance. I've tried my BMC race and it's the same as OEM as far as I can tell. Probably any aftermarket is inferior at filtering out small particles compared to OEM. Well, duh!!! You can see through my BMC. It says "For closed course use only" and that's where I'd use it. IMO might as well get a custom tune if you're going to use it because it isn't doing anything without.

I've used my BMC. It's cool its fun but there is no change in performance. I had a map for my pipe and BMC race and that makes no difference with OEM filter or BMC. Can't tell. If I were seriously into racing I guess I'd look into buying a Sprint and see if that does anything different on the dyno. You won't notice a few hp by the seat of your pants.



'08 MIDNIGHT SAPPHIRE BLUE flies out, full Tsukigi Cannon exhaust, BMC race filter, Muzzy's block off plates, Super Sprox 17t output sprocket, AFM 45t rear sprocket, EK zzz 530 chain, Gilles Tooling axle adjusters, PC5, Romans map, AT-200, Ignition Module, LCD-200, Speedohealer V4, Glow-Shift gauges, Illumiglow 210 mph clock faces, HM PLUS quickshifter, Factory Pro EVO Shift Star, RC's oil pump cover, Moto-D magnetic oil drain plug, MIT billet oil filler cap, Shorai 14A2 Lithium battery, Spiegler SS clutch and brake lines, HyperPro RSC steering damper, LighTech fuel tank cap, Vortex rearsets, lightweight mudflap bracket, FP Racing preload adjusters, Ohlins FGRT807 forks and KA544 shock, Carrazzeria Tri-R wheels, Bridgeport 90° valve stems, CZ 320mm front rotors, Galfer rear wave rotor, Pazzo levers, ProBots Dzus fasteners and many other bolts replaced with aluminum or Ti, Vortex mirror blocks, CRG bar end mirrors, LSL frame sliders, axle sliders, billet bar ends, 2WheelWorkz muffler

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nevzzn


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Joined: 04/26/20

Posts: 2

RE: Performance air filter and air fuel mixture
05/02/20 2:20 AM

Thanks guys really helpful to know oem still does the job. Not worth the money buying performance filter if oem Is best. Brocks vid on YouTube gives good insight into performance and comparison curves on Dyno. Haven’t had a chance to enjoy the beast due to the covid19 lockdown. I’m based in Sussex uk I guess you guys are the same


* Last updated by: nevzzn on 5/2/2020 @ 2:22 AM *

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Enzo200500



Joined: 12/23/17

Posts: 6

RE: Performance air filter and air fuel mixture
05/03/20 9:09 AM

Private message sent Nev!

Steve.

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Rook


Rook's Gravatar

Joined: 03/28/09

Posts: 19462

RE: Performance air filter and air fuel mixture
05/05/20 10:59 PM

Yes, it's the same here for most people. We're closed off from gathering in groups. We can still ride though and I hear a lot of Harlys out there on the weekends already.



'08 MIDNIGHT SAPPHIRE BLUE flies out, full Tsukigi Cannon exhaust, BMC race filter, Muzzy's block off plates, Super Sprox 17t output sprocket, AFM 45t rear sprocket, EK zzz 530 chain, Gilles Tooling axle adjusters, PC5, Romans map, AT-200, Ignition Module, LCD-200, Speedohealer V4, Glow-Shift gauges, Illumiglow 210 mph clock faces, HM PLUS quickshifter, Factory Pro EVO Shift Star, RC's oil pump cover, Moto-D magnetic oil drain plug, MIT billet oil filler cap, Shorai 14A2 Lithium battery, Spiegler SS clutch and brake lines, HyperPro RSC steering damper, LighTech fuel tank cap, Vortex rearsets, lightweight mudflap bracket, FP Racing preload adjusters, Ohlins FGRT807 forks and KA544 shock, Carrazzeria Tri-R wheels, Bridgeport 90° valve stems, CZ 320mm front rotors, Galfer rear wave rotor, Pazzo levers, ProBots Dzus fasteners and many other bolts replaced with aluminum or Ti, Vortex mirror blocks, CRG bar end mirrors, LSL frame sliders, axle sliders, billet bar ends, 2WheelWorkz muffler

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jstewart



Joined: 08/02/20

Posts: 66

RE: Performance air filter and air fuel mixture
09/08/20 10:42 AM

If you are a street guy the stock filter with the screen removed is more than adequate. Back in 2012 before Brock was selling the Sprint filters we got 225 RWHP out of the Louisville Slugger project bike running a stock OEM filter with the screen removed. The stock filter is more efficient at removing stuff you don't want in the engine and more than adequate for airflow for what you are running and no it will not affect the air/fuel ratio enough to cause a problem.

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use2busa



Location: Dayton Ohio

Joined: 03/10/19

Posts: 30

RE: Performance air filter and air fuel mixture
11/17/20 1:48 PM

Man I watched that whole video series...lol What a great veiw. Amazing work Brock does on machines

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