Why Yamaha changes to V4 engine! - MotoGP EXPLAINED
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- Опубликовано: 16 окт 2024
- Yamaha is the last manufacturer to use inline 4 cylinder engines in MotoGP.
Why are they now changing to V4 engines as well?
Why are V4 engines so popular for bike racing?
Let me know your thoughts in the comments below!
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Dont forget with a V4 engine riders would brake late, and use the grip and power of the V4 to slingshot out of the corner, they would aggressively V the corner so effectively stopping in the middle of the corner blocking the I4 riders with their longer crankshaft (better stability) who tries to carry their speed through the corner.
yup, high mid corner speed is unless if there's a V4 sitting there.
He said that
Yeah this is a much more subtle issue than what Honda realized with their ill-fated RC500V twin cylinder two stroke they tried running alongside their and the rest of the manufacturers V4s in the 90s.
The concept was great because the weight limits allowed 2 cylinder bikes to significantly lighter than the 4s, and the more powerful 200 hp V4s of the day were getting hard to tame and their data showed the 100 hp 250 class was getting closer in lap times due to ever increasing superiority in corner speed.
In theory their much lighter 135 hp 500 twin would be able to carry the corner speed to outshine the heavier 4s and have better tire management over the course of a Grand Prix .
In practice they got held up in the corners and could only do well from in front but hard to manage otherwise .
WAIT UNTIL THEY START PUTTING THOSE IN THE R1 , WOOOOO .. THIS IS EXCITING... WE ALL KNOW WHEN YAMAHA DOES SOMETHING, ITS SEXY N FAST ... Ducati been whipping our asses lately, now its time to step it up... Wish Yamaha the best, from a true fan,owner, customer and student
Yamaha announced at the beginning of this year that they will stop production of the R1. There will not be a V4 R1 production bike. The rumor is the R1 will be replaced with the "R9" which will have a smaller engine, probably 800cc inline 4.
@@bladerunner6662isnt that only in the eu?
Hell yeah. Yes YAMAHA 🏍️
I hope fabio is rewarded for his loyalty and puts yamaha back to fighting in top places. Fabio can bring back that old consistency back
@@raosiddharth4726im gonna piggy back that. Rossi had his era, M1 with the crossplane never looked or sound so good . Fabio ITS ON YOU MY BOY ..
The V4's shorter crankshaft is also stiffer and has pricipally less problems with torsional vibrations. Not sure if this is really a problem though, given their relatively low RPM limit
Relatively low rpm limit.... 18000rpm on the duke and ktms yeah definitely low
@@yoog Considering that in years past Honda and Ducati had engines revving to 20'000rpm, 18'000 is 'relatively' low. It's not slow, but it's not nearly the peak of what can be done with a 4-stroke engine.
Even if they put the V4 in their bike, they will be years behind the other manufacturers. V4 requires new frame, new aero. I don't expect Yamaha will be winning races til 27'.
yeah, they're definitely doing this so they can go into 2027 with some experience
Sure but it is not as bad as it may seem given the displacement change down to 850cc. All other manufacturers will have an easier time as they have mature V4 designs but there engines will incorporate significant changes. All in all, it is probably the best time to change engine configuration albeit late in any event.
It’s better than sinking good money after bad with an inherently inferior engine layout.
May be they are trying something like a IR4. The Volkswagen layout
Better now than never
0:51 just like to point out that its better known as the crossplane crank and its what yamaha uses
More Moto GP please
I'm pretty sure you cannot change bore and stroke in motogp, since the maximum bore is limited to 81mm.
Also this rule helps the inline 4, because the V4 could go bigger with little drawbacks.
Maybe if someone wanted to get silly and made a V5 or a V6…
@ImInLoveWithBulla in the early days of motogp, engine layout (and bore x stroke) was free with a 990cc limit, but the minimum weight was tied to the number of the cylinder so Honda had a V5, Ducati, Suzuki and KTM/KR V4, Yamaha an inline 4 and Aprilia a 3 cylinder (basically a 1/3 of a F1 engine]
I had never heard or thought about power pulses on wheels, that is so alien to me, I would love if you would make a video about it, since it makes no sense to me why uneven power pulses are better than even ones
and great video, like always!
The way I understand is that it gives the tire way more time to reset and "find grip."
Complete speculation now but if you could ride at the sheer limit I guess the even firing order would be faster but with the V4 you as a rider have more feel in the tire because there are longer stints of the tire beeing uninterrupted
It's a long story. In theory, even firing intervals should be better, but experience with half mile and mile oval track racing, showed the firing intervals of a 45 deg Harley V twin were superb when grip is limited. So Honda tried that on 500 2-strokes, by making a funny crank. It worked. Traction was much better. Look up the 'Drone' motor v 'The Screamer', in about '93 ~ '94.
Yamaha had a go at doing this with a cross-plane crank, like an American V8. That's why they sound like that. It's a very different note to a conventional inline 4. That does improve the traction, but you still have the packaging issues. There are some benefits to the inline motor, like having better control of the height and forward & back weight balance, but the V4 has proven to simply be the better answer, so [shrug].
One wheel drive vehicles behave weird! Tyre engineering is a black art in itself. At the junction of these the uneven power pulses give more traction.
About time Yamaha!
You should make a video explaining bmw inline 4 succes in world super bike 🏍
I also remember hearing not long ago that the in-line 4-cylinder crankshaft is longer and more prone to flex/vibration at high revs and output.
MotoGP, these days is getting out of hand, the motorcycles resemble transformers rather than motorcycles. I think they should take a page from world, super bike, racing and head back in that direction.
When Yamaha came up with the cross plane crankshaft, what they created, ironically, was a V4 with all of the cylinders inline.
So, they now have an engine which is no longer in primary balance and is still 4 cylinders wide. They should have built a V4 engine a LONG time ago.
MotoGP fans think that inline 4 are currently uncompetitive and don't have the power of V4. But that's not truth. Remember 2022 and Suzuki GSX-RR with it's flat-plane inline 4: it easily won 2 out of 3 of it's last races, including the final one. And it was the fastest bike on the grid in terms of top speed multiple times during that season - so it definitely had the power of Ducati's Desmosedici V4 or more.
That's the proof that it's not inline 4 that's uncompetitive nowadays - it's the Yamaha and their crossplane I4 nonsense. They could've just ditch the crossplane and revert back to a conventional flat-plane inline 4 - that would (almost) automatically give them more power that they so desperately need. But nooo. Instead they would spend hundreds of millions of dollars to develop the entirely new (for them) engine configuration that they have no relevant knowledge and experience in. Oh well...
The fastest Bikes on Earth are Inline Fours! Yamaha should do what Top Fuel Bikes do & Flip the Barrels & Fire the Exhaust Straight Out the Back & Intake at the Front! For Starters!!
So simple, isn’t it?
Top fuel fastest around a track??…..
But, the i4 yamaha power pulse is similar to v4 because yamaha using irregular firing order i4
ですよね MotoGPマシンも市販車もヤマハはクロスプレーン・クランクですね
If they wanted to keep a similar engine character but still join the V4 party, Yamaha could make a 90º V4 with 180º crankshaft, that way its possible to keep the same power pulse intervals as their current crossplane i4 but experiment with the other V4 advantages. Im not fully sure about it, but honestly, Ducatis 270º crankshaft is probably the best balanced crank design there is
(allowing less primary and secondary imbalances), so maybe not a good idea to keep the same character and straight up copy Ducati since theyre so far ahead.
There two fewer journals, far less if any rocking coupling with V configuration. It’s just physics…
Yeah Fabio said"we should look in to it" & they did 😂🤣😂🤣😂🤣😂
God i hope we can get these in their roadbikes.
Ducati, Aprilia already offer v4s in their road bikes
@@Lakshay70 i do not have aprillia and ducati money lol
@@PebelWasTaken You won't have Yamaha V4 money either
@@PebelWasTaken Pick up a used VFR800? 🙂 Shame that it's cancelled, but it is a nice enough bike albeit typical Honda conservative (20 years with minimal changes and now discontinued?).
@@PebelWasTaken there’s a 2018 panigale v4 with 20k miles for $15,000 on cycle trader. That’s a 215hp v4 in the price range of new bikes. Get a warranty and ride..
1:40 But aren’t the rear cylinders sheltered from the frontal airflow, thus REDUCING cooling efficiency? The rear cylinders (or cylinder on a V twin) certainly throw a lot of heat on the rider. 🥜 cooker 🥵.
Water-cooling helps or corrects rear cylinders temp problem...
@@ismaelramos8687 Sure…but same for a liquid cooled inline-4. His supposition was that a liquid cooled V-4 had better cooling than a LC I-4 because the latter had the whole bank of cylinders and exhaust behind the rad. Both are liquid cooled. How is the V-4 better?
This isn't 1974, bikes are water cooled.
@@truantray He was talking about cooling efficiency of liquid cooled motorcycle, and differences, in water cooled V-4 vs water cooled I-4. What IS your point? Design still matters whether the bike is water cooled or not. You have never been on a liquid cooled bike that seriously heats up or overheats when it is not getting enough cooling air? Air cooling, engine design and radiator design all matter. And news flash…in 2024 there are still air cooled bikes too.
Water cooled.
I hope Yamaha will soon change the engine to V4 because the V4 has a large engine power and also with better front winglets, to be honest the one currently used looks very strange and doesn't have a big impact on the aerodynamics of the bike ,Hopefully the exhaust will be under the seat like Ducati, we are really looking forward to that happening, thank you
ecuが、一択のイタリア製なら良いバイクを作っても勝てないecuは幾つかメーカーを参加させるべき
Can't wait for the V4 R1 road bike
It´s about time.
Is the cc limit still 1 liter?
yup, untill 2027 where the cc goes down for the second time to 850cc due to concerns of the bikes being too fast for the current safety measures of many tracks that they race at.
atm they are on par with an F1 engine for per cylinder displacement and probably have more volumetric efficiency na v na
First time* @@367lio
I don't see Yamaha going all in on a V4. It basically means building a new M1 from scratch and when the new rules (less downforce, less displacment, no Shape Shifters) come into effect a whole bunch of the V4's advantages evaporate. It's only a couple of eyars ago that Suzuki and Yamaha were back to back champions and Suzuki won their last race in the class. When the mythical new Michelin front tyre comes along that might shift the a balance back towards them too.
.
The current rules favour a stop'n'go bike, that won't last forever.
It's a bout goddamned time. I think Fabio is still the best guy out there. He just needs a bike that can run up front.
I'm still hoping that Yamaha unveils a fire-breathing triple when the engine formula changes for 2027. Seems like this V-4 would really only be used for one-season
Also, when they change engine configuration, EVERYONE wants to buy the new Yamaha R1 V4. And that brings a lot of pesos 😂😂
Why Suzuki I4 is more match to Ducati ?
If not, Suzki will not enter, Suzki is one of the supporting members of the Marelli platform.
Dude WTF if you see a Suzuki billy cart with matching sraight jacket for sale buy it. I hear there popular on Gilligans Island 🏴☠️
because V-Max Gen-1 (1985-2007) and V-Max Gen-2 (2008-2020).
Yamaha spent too much marketing in crossplane engine, making them difficult for u turn towards v4.
Does a V4 produce more power? Is so why does it produce more power?
No. It's about power pulses to the rear, and a thinner motor that can be packaged tighter for better aero.
They've successfully turned motogp into a v4 championship
Isn’t V4 also more efficient by about 1%?
The diagram at 0:42 is only accurate on top gear. During acceleration, at lower gear, I think the pulses will be more frequent and that's where the tire wear is highest.
It is crankshaft diagram, not wheel. It works on all gears, but on higher gears surely wheel pulse less frequent.
@@inevespace incorrect. If it is crankshaft then it should be every 180 degree pulse.
Its funny i thought inline four engines won the moto gp championship in 2020 with suzuki and again for yamaha in 21 , the only v4's winning was honda , both susuki and ducati had v4 engines a few years back and were at the back of the pac , and its even worse when u look at world superbike over the yrs so bull f..ken sh.t
Ducati spent yrs at the back of grids , the reason its winning isnt to do with the v4 its to do with the wings and shapeshifter shit on the bikes , take tthat away and they would b back at the back of the grid , some of u guys dont think very hard
46...😮😮😮 finaly😮😮
Its not the plane of the crank thats the problem its the extra balance shaft thats the problem , come up with another solution
Can anyone explain why v4 is powerful than i4
They're not more powerful. V4 is just more flexible in play with regulation. Due to regulation, yamaha's inline 4 struggle due to packaging reasons.
V6 twin turbo
why make a V4 engine? even though the cc will be reduced....?
YAMAHA =
YZR -1M =
Motor ="V4" =
Top - Motor =
Sistem = V4 :
Destaque =
YAMAHA :
2024 ~ 2025 ! ;
Temporada =
G.P.1 = MUNDIAL = 2025 !!! Top -
Speed ! Treinos !
Pole - Position ! ;
Melhorar : 10 Segundos ? Por
Volta ? No : Autódromo ~
Circuito ? : Fantástic !!! ;
Melhorias ! 2025 !!
Fim do Motor em
Linha ! Ficou no
Passado ! ;
Hoje Vai ser Tudo
Motor em " V" =
Tudo = Mudanças!
YAMAHA = Destaque = 2025 ! ; Começar do : Zero ! = 2025 :
Motor :"V" SUPERIOR =
Testes ! Destaque = 2025 ! .
3 to 4 years to adap
The Positive is also that in future you can buy a Yamaha R1 instead of Ducati. 😂
If only MotoGP would allow six cylinders! V6 bikes would sound fantastic IMO. Or even eight, a nice compact V8 would be lovely. Oh well. Or have things fundamentally changed from 1979 (oval-piston V4 that's really a V8) and 2000 (V5 because six cylinders are banned) so much, that it would no longer be advantageous?
Heavier and more complex than a V4, so no advantages.
They are better of building higher displacement V4s than try to shove a V6 in their motorcyle frame
The idea of the V6 is really good but they are actually lowering the displacement to 850cc because the current 999cc is too powerful for their liking, imagine if a V6 of 999cc was allowed...
They already make more power than they can put down and the formula is getting too fast to be safe.
Can't wait for this bullshit era to come to an end. MotoGP has gone into the same BORING direction as F1. Too much aero, too much tech. We don't really get to a point where we can see who the TRUE great riders/drivers are, unless you watch Moto3 or Moto2 (F2) where all machines are 99% equal. The premier classes in modern motorsport are more about manufacturers flexing on each other, they might as well build F1 cars or MotoGP bikes that don't require a driver/rider.
MANY regulation changes coming to MotoGP including- smaller displacement engines, bans on ride height devices and many aero mods. Read up and stay informed!!
@@djmerchant hope one of the refs is to stop sticking their legs out like little kids learning to ride without training wheels
Da..Yamaha produced the vmax...
Meh idk. The last Suzuki bike was a beast with an i4….
Meh, V4 are the championship winning bikes tho
Suzki is one of the supporting members of the Marelli platform.
The GSV-R is indeed much more expensive and much more complicated, but with regulations that are too loose, it is less competitive, just imagine how high the MotoGP prototype class was before 2016....
Why not try a vr4? 😊
Terrible port design
@@robertgudd7196 Not to mention vibration issues.
@@robertgudd7196Yeah, I’m sure the highest hp/l motorcycle on earth has a “terrible port design”.
@@BlaineRush-b8h That's a V4, not a VR4. Nice try 👍
@@robertgudd7196 What? The V4R has the highest hp/l of any naturally aspirated production motorcycle that I’m aware of.
I believe it even has more hp than the 1100cc version despite the lower displacement.
Iv owned a 2020 v4s , biggest peice of crap i ever rode , dont get me wrong bike was fast ...when it went
Maybe because they were as slow as shit and took 4 thousand years to wake up, its a wonder they didn't give the riders pedals for more go/ The whole saga was shamefull for my favourite brand.
I disagree 4 L best
It's just 90°V engine
wow you really know nothing about engine architectures.