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The engineers have had two weeks to pore over the data from the first MotoGP test at Sepang, identify problems, analyze strengths, and find more ways to go faster. Their analyses have been translated into designs, into new parts, into yet more software, ready to put their theories into practice.

On Monday morning, at 10am Malaysian time, the MotoGP riders get to try out all of the new parts and ideas thought up by their factories and teams in search of a few more fractions of a second.

The eyes of the world will not be on what the engineers did between Sepang 1 and Sepang 2, however. Attention will be focused on Yamaha and Ducati, who will be testing hardware which has been a long time coming.

Yamaha is bringing its fully seamless gearbox to the Sepang 2 test, and Ducati will roll out its Desmosedici GP15 for the first time. Both could make a significant impact.

HRC unveiled its factory MotoGP team this weekend in Bali, Indonesia — giving us our first glimpse of the Repsol Honda livery for the 2015 season.

Both Marc Marquez and Dani Pedrosa were in attendance, which is no surprise considering how important the Indonesian market is for Honda.

The Indonesian unveil also helps the two GP riders to have only a short hop now to Malaysia, to start the MotoGP season with the first official test a Sepang International Circuit.

As for the 2015-spec RC213V, things remain mostly the same to the layman’s eye. Red Bull’s sponsoring and support of both Pedrosa and Marquez, as well as the Repsol Honda team, is more prominent, and displayed on the belly pan fairing of the bike.

We’ll let you play spot the differences in the photos after the jump, they are super-sized high-resolution shots, so they might take a minute to load. Enjoy!

I can’t decide whether to be elated or disappointed over the Honda RC213V-S prototype, which was debuted this week at the EICMA show in Milan, Italy. On the one hand, the RC213V-S lived up to the hype…literally a MotoGP race bike with lights, mirrors, turn signals, and a license plate.

On the other hand, for all the waiting and consternation from Honda, what they brought to Milan was a fairly derivative and obvious design.

Rumors of a true MotoGP-derived sport bike from Honda have been circling for several years now (closer to a decade, if you’re a reader of MCN), and the project borrows the ethos found in the Ducati Desmosedici RR project, another exclusive GP-bike-for-the-street motorcycle.

Where Ducati took inspiration from its MotoGP program, kept the basic elements found there, and created an entirely new machine, the Honda RC213V-S prototype is quite the opposite.

Honda has released zero, and I mean zero, information about the RC213V-S project, but it would not surprise me in the least if each bike was an ex-race bike with lights slapped onto it, as it was put out to pasture so-to-speak.

That might be an intriguing proposition, actually, but the point is that for all the delay and mystery around the RC213V-S, it’s surprising that the finished (or near-finished) product is such an obvious one. It borders on being the easy way out of a two-wheeled problem.

Perhaps the most highly anticipated machine at the EICMA show, Honda has finally debuted its road-going MotoGP bike, dubbed the Honda RC213V-S.

Still officially considered a prototype (along with the Honda Africa Twin off-road machine), the RC213V-s is essentially what you would imagine, an RC213V MotoGP bike with lights.

Brought onto the EICMA stage by Marc Marquez, the RC213V-S is a stunner in its pure carbon fairings, but we think the Japanese flag livery on the static machine takes the cake.

Honda isn’t talking specs at this time, and hopefully we will know more by the time the Tokyo Motor Show rolls around. So, we’ll just have to drool over these photos until then. Check them out, after the jump.

Casey Stoner has made a temporary return to MotoGP, completing two days of testing for Honda at Motegi. Over the two days of testing, Stoner focused on the 2015 version of Honda’s RC213V, the Australian comparing the settings used by Repsol Honda’s current riders, Marc Marquez and Dani Pedrosa, to see how they work with the new bike.

Stoner also worked on preparing the 2015 further ahead of its debut at the Valencia test after the final race of the season. Finally, he also spent some time on the development versions of Michelin’s MotoGP tires, as the French manufacturer prepares to take over as spec-tire supplier from 2016 onwards. As is their custom with all testing, Honda did not release any lap times.

The following is the result of what happens when you put two World Champions in a room full of 500GP / MotoGP World Championship winning machines, and film the interaction.

Having both Marc Marquez and Dani Pedrosa on-hand to kick the tires on bike’s like Mick Doohan’s NSR500, Rossi’s RC211V, and Stoner’s RC212V, the two Repsol Honda riders compare and contrast the differences that generations and prodigies create.

It’s a pretty candid perspective on some of the most dominant machinery from perhaps the two most qualified critics. Enjoy it after the jump, you might be surprised by what they have to say.

One of the great privileges which holding a MotoGP media pass allows is to stand behind the armco and watch and listen to the bikes as they go past. At the Sepang test, I made full use of that opportunity, and wandered over to Turn 3 – the glorious, fast right hander, where the riders get sideways driving through the turn and onto the short straight to Turn 4 – to enjoy the spectacle of the best riders of the world showing off their skills.

There is more to be learned from watching at trackside than just how spectacular MotoGP bikes are through fast corners, though. The careful observer can pick up clues to what both the riders and factories are doing. With electronics such a key part of MotoGP nowadays, the track is one of the few places where updates are visible.

Updated vehicle dynamics algorithms may be invisible from pit lane (or nearly so, with the occasional addition of sensors or torque gauges the only visible clue), bike behavior on the track will sometimes betray them.

At the end of 2013, Marc Marquez and Dani Pedrosa had asked for more stability under braking, and some more corner speed. Listening to the bikes at Sepang gave a possible clue as to how they had achieved that. The differences in engine note between the various bikes were instructive of the varying levels of electronics, engine braking strategies, and gearbox function.

That Honda have been working on braking and corner entry was audible at Sepang. Though the RC213V always sounded smooth under braking, braking for Turn 4 the improvement was noticeable.

Casey Stoner is to continue as test rider for Honda in 2014. The Australian double world champion will once again take the track to help develop Honda’s RC213V during the 2014 season, according to British publication MCN.

Stoner took up his role as test rider in the middle of 2013, after HRC’s regular test rider Kousuke Akiyoshi broke his femur at a Japanese Superbike round. The Australian worked on the 2013 RC213V, as well as a rain-shortened test on Honda’s RCV1000R production racer.

According to the report on MCN, Stoner’s testing schedule for 2014 has yet to be fixed. It appears that Stoner will not be present at the special tire test put on by Bridgestone at Phillip Island, which all three factory teams will attend, but he will take on further testing duties at Motegi later in the season.

For the past twenty years or so, there is one manufacturer who has been above all others in the premier class of grand prix motorcycle racing, and that manufacturer is Honda.

Winning 12 of the last 20 World Championship titles, Honda’s recent domination in 500GP and MotoGP has been a sea change for the series, and the company’s winning total in this modern era of four-stroke and two-stroke machines is double the next nearest OEM, Yamaha (MV Agusta still holds the outright record, with 18 championships from the 1956-1974 period of four-stroke racing).

Part of Honda’s success has been the fact that the Japanese motorcycle manufacturer has been able to attract some of the best riders ever to come to a Grand Prix race’s starting line, champions like Mick Doohan (1994-1998), Àlex Crivillé (1999), Valentino Rossi (2001-2003), Nicky Hayden (2006), Casey Stoner (2011), and now Marc Marquez (2013).

But also part of the equation has been the superb equipment that HRC, Honda’s racing department, produces for its riders, bike likes the Honda NSR500, RC211v, RC212V, and RC213V, which have widely been regarded as the best machines on the grid in each of their respective eras.

Looking down the pipe, as MotoGP adopts new rules and regulations, the RC213V and RCV1000R appear set to dominate their respective classes as the factory machines will be reduced to 20 liters of fuel for next year, and the open class machines are forced to use both the Dorna-supplied ECU hardware and software.

It would appear that Honda has a firm grasp on the next few years of MotoGP racing, and as a bit of an homage to this company’s fantastic two-wheeled craftsmanship, along with the racers who rode them, we give you wallpaper-sized photos of Honda’s Grand Prix motorcycles, from the 1995 to 2013 seasons.

Here at Asphalt & Rubber, we miss Casey Stoner racing in the MotoGP Championship. That may not be the most popular opinion, especially with MotoGP fans, as the Australian never really warmed up to being in the spotlight, dealing with the prying questions of the press and demands of fans. Casey called things the way he saw it, and always strived for more on the track — and this ruffled many, as they viewed his words as complaints instead of his pursuit of perfection.

As critical of himself as he was of the machinery, tracks, and other riders, Stoner raced on a different level. There is an understanding of motorcycle racing dynamics in the two-time World Champion’s mind that few GP racers can match, and the proof of that is in Stoner’s results. It is this understanding the HRC hopes to tap into whenever they have they Aussie test a machine for them.

Taking to the Twin Ring Circuit in Motegi, for yet another test with Honda, Stoner rode back-to-back an early iteration of the 2014 Honda RC213V as well as the 2014 Honda RCV1000R “production racer” that non-MSMA teams will race next season. We have 26 high-resolution photos of Casey on these bikes after the jump, for your viewing pleasure.