HOW-TO: Velocity Stacks and Air Box Mod for your Yamaha R3

In this video, I am documenting the process of installing a new MWR Race Air Filter, the TST velocity stacks, and I am also modifying the side covers of the air box to allow the bike to breathe better.
This video does not cover the AIS removal or the installation of smog block-off plates. However, I would strongly recommend that you perform these modifications first if you plan on following along in this video.
Installing the TST velocity stacks and an MWR race air filter on a Yamaha R3 can provide several benefits. Velocity stacks are designed to enhance the air intake process by increasing the airflow velocity and reducing turbulence, resulting in better engine performance. The MWR race air filter, on the other hand, is engineered to provide maximum airflow while still keeping the engine protected from contaminants.
By installing velocity stacks, the intake air velocity is increased, which improves the engine's volumetric efficiency. This, in turn, can increase the engine's horsepower and torque output. Additionally, the reduction in turbulence in the air intake can lead to a smoother, more responsive engine performance at higher RPMs. With the MWR race air filter, the engine will receive a greater volume of air, allowing it to breathe easier and operate more efficiently.
Opening up the air box by allowing more airflow can also provide significant advantages. The air box is designed to regulate air intake and protect the engine from debris and contaminants. However, this also creates a restriction in the airflow, which can limit engine performance. By allowing more air into the engine through a larger air box opening, the engine can receive more oxygen, leading to improved combustion and higher power output.
Additionally, opening up the air box can enhance the engine's throttle response and overall performance. This is because the engine will not have to work as hard to draw in air, reducing the amount of energy lost to the intake system. Allowing more air to enter the engine can also improve the engine's sound, as it can create a more aggressive intake noise, which is often desired by performance enthusiasts.
These modifications can increase the engine's power output, improve throttle response, and enhance the engine's overall performance, resulting in a more exciting and engaging riding experience.
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Disclaimer - This video is for educational purposes only.

[@kushpaladin]

18:23 we call that a putty knife in USA. :-)

[@landry555]

LOL! Yup… I knew that… My brain was obviously refusing to work 😂😂😂

[@axax1573]

Please do more videos like this more often if you can, i gotta learns more about bike's engines and the way you explained it, is so relaxing and easy to understand and i like it this way when i'm learning things. so yeah, i hope you can do more videos about bike's engines and upload more often. thank you for helping me learn about thing that i have passion on and love to do. im also planning to open a bike repair shop this year, i hope😊

[@adventuretimemoto]

Another banger! You have helped me multiple times now while I'm building 20' r3 for street/track use

[@landry555]

Thank you for the feedback and for watching. Glad it was helpful!

[@jasonsarmiento3029]

Always love your informative videos! I remember we discussed the IRC quick shifter and blipper in the R3 owners group. I ended up ordering it, I will let you know how it goes when I get it in a few weeks.

[@landry555]

Jason!!!! Thank you for the kind words my friend. I saw that you did your first track day of the season! I am so envious. Hope you had a blast. Let me know how you like the QS once you had a chance to test it out. Talk soon!

[@jaredshelton4718]

You have time to install it?

[@jasonsarmiento3029]

@@jaredshelton4718 I am still waiting on it sadly. Apparently Moto-D ships it from Italy to US, then from them to me. I will def follow up when I have it on hand.

[@Nathan2692]

Good video again brother, I'm having the same version of this bike but my bike is called Yamaha YZF R25 because mine is 250cc version of your bike brother

[@landry555]

Thank you!!! Appreciate the comment. Cheers!

[@samuel1607425]

Super helpful!

[@brandonmullis7964]

Nice vid man. I just did the same mods on my 2017. Just now putting it all back together. Bike not starting though. Same airbox mod, ecu flash, new exhaust, and new spark plugs. Im kinda stumped🤦. Anybody got any ideas? Engine sounds like it wants to go but just wont turn over....

Very nice video, I really appreaciate the time you take for sharing, for sure you encourage me to do it on my bike. Hence, I would like you to share what about your feelings with this new mod, I mean, did you realy feel the extra power? On the other hand, I already have the K&N. Do you think the one you use will porvide better flow? Lastlly, can I use this mod with my ECU stock or should I flash it or PCV. What you think?

[@DRat_]

for removing my fuel tank should i wait until I'm low on gas or can i take it off with almost a full tank

[@landry555]

You don’t have to worry about the level of gas in your tank. A small amount will spill but that’s normal. A small check valve will prevent the gas from escaping the tank. Let me know if you have any additional questions. Thanks for watching!

[@DRat_]

@@landry555 thank you so much. I have already installed the mwr air filter and just got the new air stacks and air box covers. Can't wait to get it installed and tuned.

[@landry555]

Awesome!!! Looking forward to hearing your feedback once you are done with all the modifications. Cheers!

[@dj_dvd3578]

Removed all air box, Can the motor be removed from there? I would like to clean it since it doesn't turn when turned on.

[@landry555]

you’ll need to disconnect all the electrical circuit, remove the exhaust, then you’ll have to remove the engine mount bolts… I’d strongly recommend to get the shop guide… Makes the process a bit easier 🙂

[@dj_dvd3578]

I don't mean the engine but the motor that starts the bike. Excuse my English @@landry555

[@brendanflegle3326]

I have the TST velocity stacks installed on mine and I am about to use the Norton flash. Did you notice any difference with the TST stacks?

[@jaredshelton4718]

Did they make your bike louder?

[@aufajovannayaka6674]

@@jaredshelton4718not necessarily, but you can hear the intake sucking in more air louder

[@brendanflegle3326]

@@jaredshelton4718 well I have the air box mod and the stacks so of course it’s louder

[@marcelo765rs7]

I don't understand the diference between the original stacks and the one you used. They look like to have the same size and shape

[@daiaki1975]

One side is shortened and also rigidity is important for laminar flow.

[@marcel02.]

Hey, do you get also better sound from modifing the Airbox?

[@landry555]

Yeah, the sound is a bit different (and louder). Sorry for the long delay in responding. Totally missed your message.

[@marcel02.]

thank you for your answer👍

[@alessa4598]

The goop 😂

[@landry555]

I am surprised that no one else commented on my Goop excessiveness before! LOL