Awesome write up. Thanks!

Mad

Hubbish, yes you will need to get retuned.

Yes, the throttle bodies flow more air into the engine.

Yes, the stock throttle bodies are RESTRICTING the engine.

The zx14 can pull more air into the engine then it does. The stock throttle bodies restrict this, making it less efficient.

The larger throttle bodies allow the engine to be more efficient, allowing more air in faster.

I'm not sure why you've got a bone to pick with me, but the guy asked a question and i answered it. I am here to help, if you are here to argue go back to the other thread. I'm not here to see who knows more, or who's done more, or any of that. I'm just here to share MY experiences and what I'VE learned along the way.

Informative write-up. Now with that saying :

I just bought ZX-14 2010 off floor. I am in the break in period, I notice that my bike do run hot:Recommended Engine Ice

I have dual stock exhaust: I am not looking for performance, but I would like for you know I am in the pack or you look up and see me going by. I just do not want spend a lot of money for it: recommendation for dual exhaust

Thanks

I just do not want spend a lot of money for it: recommendation for dual exhaust

Muzzy my vote. Not allot of doe and sound great.

* Last updated by: Romans on 5/30/2011 @ 7:04 AM *

Can't go wrong with Muzzy exhausts, Brock's makes a dual slip on as well but i believe they are more expensive.

A free-er flowing exhaust will help some with the hot temps. Engine ice will also help. Schnitz racing also sells a secondary fan kit, it will help keep the temps down as well.

As for riding temps (i.e. going down the road) you can install a zx10 front fender (you'll have to buy brackets, i dont even know who makes them now?) and it will improve airflow to the radiator.

I think the Hindle slip ons are better the the Muzzy.Lang Hindle will take pipes like the Yosh and Muzzy and test them against his own pipes,he is very competitive with his product

Only the dyno knows the answer!

A dyno is a good measuring tool, but it's just that. . A tool. And only part of the equation.

A bike can make more 'peak' hp then another bike, and still be weaker/slower then the one with less 'peak' hp.

It's all about the CURVE. A nice straight smooth torque curve means a nice straight smooth HP curve. That means more power throughout the powerband. And that may not create the best 'peak' numbers, but it will make a much faster bike.

So where are we going to debate larger throttle bodies?! lol because I think the truth needs to be told! lol

Slow,with out flowing the head,just removing the screen on the stock air filter,47mm throttle bodies,degreeing the cams,Hindle/Brock 2.25 system.What do you think 190-195 hp on pump gas.On a ZRX11 95hp stock,I installed zx11 cams,muzzy sprockets,Factory pro,jet kit modified air box ,left the intake stock ,with a Hindle system,I got 135 hp

On pump gas, 190 may be the high end. I'd expect anywhere from 185-190 depending on the dyno and the tune.

The reason the modified tb's work well as they do without much else changed is the stk 44mil tb's are fairly small for a 1352 cc motor.
The factories are constantly searching for ways to lower emissions and still claim baddest kid on the corner.
The 08 busa's went to smaller tb but added secondary injectors for upper rpm power plus smaller more controllable primaries .
The 08 and up 14's kept tb diameter's the same but used smaller injectors with supposedly better spray pattern ( read leaner part throttle a/f ) and Kaw increased duty cycle on these smaller inj, at performance tbs positions thru ecu changes.
The 08 up busa would benefit from bigger tb's probably as well as the 14's do but they aren't so easily modified and the gen 1 busa's 46mill, tb's don't interchange.
My point to all this is if looked at in this light the big motors are kinda detuned if compared to the 1 liter bikes.
Hell the new 10 has 47mill tb's from the factory, granted their leaned on but i for one think the hyper sport bikes should be as well..........

Ok but,isn't air flow going to be the weak link,ram air plumbing,air filter?

nah, think about how much volume you can flow through those ram air tubes.. A lot more then what you're cramming through the 44mm throttle bodies afterwards.

Hey , I thought this was about me......the testosterone levels are flying high here. I want a pipe that looks and sounds good (i want you to know I am there among the Busa's) and won't break the bank. I believe i have enough power. I upgraded from a 650r to zx-14. I am not looking for a power boost. Strictly chick magnet...rofl. An expensive one at that.

It seems Muzzy and Brocks (slip-ons) are worth looking into. I hear people saying that have to add a PC, I am hoping i do not have to add this as well? I am assuming this is something I can do in the morning and ride in the afternoon?

@ Romans which Muzzy is that you have

I too upgraded to the zx14 from a 650. Small world. (the 650 is where i got my name from lol)

The pic's romans posted would be the muzzy slip ons.

You can install any exhaust on any bike and not NEED a power commander.

However you won't be getting the full benefit of the pipe until you get one, and get it tuned. More power, smoother powerband, and better fuel economy can be had through a powercommander and tune.

If you have any general mechanical ability, you could install a set of slip ons in about an hour. A power commander, probably 2-3 hours (requires removal of the fairings, which can be tideous if you don't have it down to an art)

...and then approx. $250 for dyno work to map your PC for YOUR bike.

Slice. There are a ton of different S/O's out there. Take your time and look around before you buy what everyone else has. Chicks don't know Brock's from a hole in their head, I mean as long as your not interested in performance, which I find curious when you're flyin with the enemy! lol Unless they're a bunch of trailer queens.

Actually i had two brothers on my 650r. The performance is just fine as is. Juat not doing all those crazy things at my age anymore. I keep up with the BUSA's or they try to keep up with me...lol choose your poison. Every now and then there is someone that trys to flex, I put it down for a hot sec , to only realize i am still in my break in period....lol. just enuff to look over at them and let them go on their way. Nothing to prove.

Slow when my 07 was new,the first thing I did was install a PCIII,with the dyno-jet map,I immediately noticed the bike to be smoother in the 3000 to 4000rpm area.I attribute this to the bike being lean at the factory for emmissons.The Brock slip-ons and the hindle are the same