Gen 3 Performance

So remember the Busa is a moderately expensive, modern bike now. Note in several hackers' posts they have referred to the CAN (Controller Area Network) system. You can get some quick schooling here: CAN Bus Explained - A Simple Intro [2021 | The #1 Tutorial]

What that means is all the parts of the bike and all those awesome bells and whistles are communicating with each other. So it's not as simple as just unplugging this or that, because the system is looking for faults as simple as fluctuations in the headlight voltage to tell the system the headlight may be failing. I can tell you this because I spent 6 hours in the garage with my BMW trying to figure out a "failure warning" only to have a tech at BMW plug into the bike and say "It thinks the headlight is going to fail" in 3 minutes. Obviously, if something is complicated then BMW will make it as complicated as it can be and Suzuki usually won't.

I don't know if the Suzuki has the full CAN-Bus treatment, but this is new for a lot of the hackers and more than a bit frustrating I'd imagine. Guys like Bren Tuning might have a leg up as they have been hacking CAN-Bus bikes for a while now.

Suffice it to say, gentleman (and @sixpack577 haha), the Busa is not the simple, DIY speed tool it used to be.
 
From Woolich Racing

Screenshot_20220304-230822_Yahoo Mail.jpg
 
I understand from what others said that this build is highly expensive.

In plus, I understand that there isn’t a complete and direct to install kit.

So you need to live in the right place and know the right people / tuners.

For example, who can do the same engine build in Europe, where I live?

That is why I put the following question.

Why would a person go this expensive route for 230 whp if he can turbo/supercharger the Busa gen 3 and get 350-400 whp with around 5000 - 6000 euro?

I don’t have any knowledge in this and I am asking so I can learn from you. :)
 
Busa3Fan said:
I understand from what others said that this build is highly expensive.

In plus, I understand that there isn’t a complete and direct to install kit.

So you need to live in the right place and know the right people / tuners.

For example, who can do the same engine build in Europe, where I live?

That is why I put the following question.

Why would a person go this expensive route for 230 whp if he can turbo/supercharger the Busa gen 3 and get 350-400 whp with around 5000 - 6000 euro?

I don’t have any knowledge in this and I am asking so I can learn from you. :)
Click to expand...
My thoughts, an average Joe is almost never going to build a maxed out NA build for a street ridden/driven vehicle unless they are trying to prove something or are opposed to FI. If all they are after are bigger numbers, FI has always been the easier answer.

Personally, I want to stay NA, and seeing what a well known tuner can do with a mostly built custom solution is great level setting for me. I can now comfortably say what it will take for me to gain 50+hp and plan accordingly. In this case put about fifteen grand in it or more. If I have to, overnight parts from Japan.
 
He got 225whp on pump gas.
Forget the bottom end build, I don't see the need for that with this build(I bet it's for a future turbo).
The head itself is stock.
The pistons are 4mm bigger, and they are up from 12.5-1 to 14.1, along with stronger valve springs.
Cams(degreed for top-end), bored throttle bodies, and velocity stacks along with the Motec(which of course only does what will be able to be done with an unlocked factory ecu).
So more compression, cams, throttle bodies and stacks are making the extra power.
With a pipe on the stock bike, untuned, they were getting close to 180whp.
They said the stock engine falls off at 10k, and they were able to go to 12k now.
Can stock valve springs hold 12k on a pipe and tune? Maybe, we'll have to wait and see. 10,500 was the stock limiter, so lets guess and say tuned it'll hold 11k safe.
It sounds like close to 200whp might be possible on a flashed/tuned, pipe, stacks and air filter engine...might be possible.
Regardless, a few more than the gen2, into the low to mid 190's, but that's peak hp too.
The concensus seems to be that the gen3 has a stronger midrange than the gen2, which is as advertised.
Cool to see progress.
 
sixpack577 said:
He got 225whp on pump gas.
Forget the bottom end build, I don't see the need for that with this build(I bet it's for a future turbo).
The head itself is stock.
The pistons are 4mm bigger, and they are up from 12.5-1 to 14.1, along with stronger valve springs.
Cams(degreed for top-end), bored throttle bodies, and velocity stacks along with the Motec(which of course only does what will be able to be done with an unlocked factory ecu).
So more compression, cams, throttle bodies and stacks are making the extra power.
With a pipe on the stock bike, untuned, they were getting close to 180whp.
They said the stock engine falls off at 10k, and they were able to go to 12k now.
Can stock valve springs hold 12k on a pipe and tune? Maybe, we'll have to wait and see. 10,500 was the stock limiter, so lets guess and say tuned it'll hold 11k safe.
It sounds like close to 200whp might be possible on a flashed/tuned, pipe, stacks and air filter engine...might be possible.
Regardless, a few more than the gen2, into the low to mid 190's, but that's peak hp too.
The concensus seems to be that the gen3 has a stronger midrange than the gen2, which is as advertised.
Cool to see progress.
Click to expand...
Hi. As I see it they took out top RPM HP and put otin the middle smaller throttle bodies and cams did they redo the porting on the head by making them smaller? So I would say for most it is a better busa on the street stock than a Gen 2. But I think I would get a stock 2016 ZX14 over a stock Gen 3 busa.
 
michael parris heuberger said:
Hi. As I see it they took out top RPM HP and put otin the middle smaller throttle bodies and cams did they redo the porting on the head by making them smaller? So I would say for most it is a better busa on the street stock than a Gen 2. But I think I would get a stock 2016 ZX14 over a stock Gen 3 busa.
Click to expand...
I changed a ZX14R for my Gen 3 Busa. The Busa is more responsive low down, more urgent initial shove. At least it is to 5500rpm! The 14R is a slightly bigger bike though, even the controls and levers on the Busa feel bout 9/10th of the size.
 
This goes back to what I’ve said from the beginning. Even at $18k the Gen-3 is a bargain but the motorcycle hobby is slowly dieing. Everyone wanted a 250-300hp Busa but the truth is the market for people purchasing them at that price is very small. The Busa was built at a time when ANYONE could go in an finance a $9-10k bike and ride out on the fastest thing available. In order for Suzuki to continue that it would have cost $30k+ which wouldn’t have near the success. Give it some time and the ECU will be cracked. Otherwise, open your checkbook if you want the latest and greatest…everything has a cost!
 
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