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Yamaha confirms V4 engine plans for MotoGP

Busy Little Shop

exponential thinker
Joined
Aug 28, 2007
Location
Sacramento Ca.
Moto(s)
Honda RC45 RC30
Name
Larry L
Yamaha is developing a V4 MotoGP engine which could be seen on track during 2025.

The battle of MotoGp engine architects has been won by the V4 because
it sports more advantages than the I4... Yamaha started with an I4 in
2002 2003 and made a up grade in 2004 to a "virtual V4" and now
finally to a real V4...

 
"However, Honda’s ongoing woes show that fitting a V4 is unlikely to be a magic fix for Yamaha, whose M1 is also seen as lacking in areas such as aerodynamics and electronics compared to the European machines."
 
"However, Honda’s ongoing woes show that fitting a V4 is unlikely to be a magic fix for Yamaha, whose M1 is also seen as lacking in areas such as aerodynamics and electronics compared to the European machines."
Nothing magical about V4s... it just sports more advantages than I4s...
just like there is nothing magical about Fuel Injection... it just
sports more advantages than Carburetors... just like there is nothing
magical about Radial Tires... it just sports more advantages than Bias
Ply Tires... Figuring out the advantages objectively is what Engineers do...
 
Fabio seems to be feeling good about whatever it is the Yammie engineers are doing to the current bike. A couple of top tens don't sound great, but it's a dramatic improvement from where they've been.
 
True about Fabio. Simon has been singing his praises for sure. Good to see.

Hope that the Yamaha gets it right and can return to the podium players.
 
Part1
Yamaha’s tech director reveals radical plans to win again in MotoGP
December 4th 2024
- Last updated: December 11th 2024

Former Ducati and Ferrari Formula 1 engineer Max Bartolini’s job is to
make Yamaha victorious again. That means reorganising its race
department and expanding its Italian engineering base, crucially for
better aerodynamics and tyre analysis. Next week, Bartolini talks
about Yamaha’s new V4

Part2
Yamaha’s MotoGP plans: ‘With an inline-four you need to make aero
compromises’ December 11th 2024 Part two of our chat with Yamaha’s
ex-Ducati, ex-Ferrari F1 tech boss Max Bartolini, who tells why
MotoGP’s current tyres and new rules made a V4 inevitable and why it’s
so difficult to catch Ducati
 
Great read for a MotoGP geek :nerd

Thank you... mucho :thumbup
 
I’ve heard rumors that Yamaha has been in contact with Busy Little Shop about V4s.
 
Sometimes though you have to appreciate twins.
 
Apr 14, 2025, 8:00 AM
Upd: Apr 15, 2025, 2:35 AM
Yamaha to test V4 MotoGP engine at Valencia this week
Yamaha plans to test the V4 engine it has been developing for its M1 MotoGP machine at a private test in Valencia on Tuesday and Wednesday this week, Motorsport.com has learned.

Although the testing concessions enjoyed by the brand would allow Fabio Quartararo and Alex Rins, the factory team’s riding pair, to put it through its paces, the work in Valencia is expected to fall to Augusto Fernandez and Cal Crutchlow.
 

Exclusive: Yamaha’s V4 MotoGP bike seen for the first time!

July 3rd 2025

After months of waiting, we’ve managed to get the first photos of
Yamaha’s all-new MotoGP bike, designed to revive the factory’s
fortunes in MotoGP

Yamaha V4 bike testing in 2025

Yamaha-V4-bike-testing-in-2025-800x450.jpg.webp


Augusto Fernandez in action on the Yamaha V4 yesterday


Author Mat Oxley

Yamaha’s long-awaited and all-new V4 MotoGP bike has finally broken
cover, during private tests at Brno in the Czech Republic.

The machine was ridden by Yamaha test rider Augusto Fernandez and
bears the usual trademark features of a V4 MotoGP bike: it’s narrower
at the front than the current YZR-M1 inline-four (because V4s are
narrower – two cylinders wide, not four cylinder wide) and the
two-into-one exhaust from the rear cylinder bank exits under the seat.

Most of the bike’s downforce aero devices borrow heavily from the
current M1’s aero spec, with wings, diffusers and ground-effect
bulges.

Yamaha hopes the bike will revive its fortunes in MotoGP, where V4s
make up for more than three quarters of the grid. V4s rule because
they make more power and their chassis dynamics make the bikes work
better in battle situations. The inline-four’s only advantage is in
corner speed, which it can use in qualifying, with no V4s getting in
the way, but not during races.

Yamaha had several V4s of differing specs at the test, which took
place on Tuesday and Wednesday at the newly resurfaced Brno circuit,
which next month will host its first MotoGP round since 2020.

Fernandez and newly-contracted Yamaha test rider Andrea Dovizioso rode
the bikes on Tuesday, then only Fernandez on Wednesday. Also present
on Tuesday were factory Yamaha rider Alex Rins and Pramac’s Miguel
Oliveira, who rode current M1s.

Rins was fastest at 1min 53.338sec, almost three seconds inside the
current lap record, with the fastest V4 lapping at 1min 56.6sec.
Because these are only shakedown tests, before Yamaha number-one Fabio
Quartararo gets to ride the bike for the first time, the lap times
don’t mean much.

The as-yet-unnamed new model isn’t an M1 with a new engine, it’s an
entirely new motorcycle, because V4s are packaged within the chassis
very differently, requiring a complete redesign.


Yamaha technical director Max Bartolini is in charge of the project,
which was announced a few months after he joined the Japanese brand at
the end of 2023 from Ducati, where he was Gigi Dall’Igna’s right-hand
man for a decade.

Therefore it’s more than likely that the new Yamaha is based closely
on Ducati’s all-powerful Desmosedici, winner of the last three MotoGP
riders’ championships and last five constructors’ titles. The
Desmosedici is so perfect for the current technical regulations and
tyre supplier that it would be mad to work in a different direction,
especially with new technical regulations on the way in 2027.

Honda was also at the test, perhaps testing important upgrades to its
RC213V, with Luca Marini riding for the first time since his huge
crash while testing the Suzuka 8 Hours endurance race.

The big question now is will Yamaha’s V4 join the post-San Marino
group MotoGP tests on 15 September?
 
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