Honda has been trialling quite a lot of issues to overtake its beleaguered MotoGP bike, and one such innovation appeared on the RC213V in the course of the opening day of the Buriram take a look at.
Its prime factors scorer from 2024, Johann Zarco, examined a brand new rear part on his Castrol-sponsored bike on Wednesday – an improve to the design first seen in Sepang final week. The aero resolution has developed with the introduction of wings and a rear spoiler.
The picture taken within the Buriram pitlane exhibits two vertical flaps that offset one another to create an airflow system pushing the air inside and making the rear wing extra environment friendly.
The cantilevered higher profile – named the ‘flap tower’ – seen in Malaysia has been dropped in an try and make the remainder of the tail work higher. This could assist generate extra downforce whereas additionally lowering drag on the similar time.
In Sepang, Honda confronted a 7km/h top-speed deficit to Ducati so the engineers on the group have began engaged on discovering methods to plug the hole shortly.
After all, the Honda engine is down on energy in comparison with its rivals, one thing the producer is engaged on, however there are additionally different areas it may well discover extra efficiency from.

Johann Zarco, Staff LCR Honda
Photograph by: Gold and Goose / Motorsport Photos
It’s fascinating to see how the lateral bulkheads of the rear wing are bent inwards in the direction of the tail, to direct the movement from the surface in the direction of the within of the bike.
Other than Zarco, different riders have additionally been testing new components, with the Japanese producer splitting the event throughout its 4 bikes in Thailand to get as a lot knowledge as potential earlier than the beginning of the season in early March.
HRC rider Luca Marini completed sixth quickest in Buriram, with Zarco proper on his tail in seventh.
Zarco was happy with the efficiency of the bike on new tyres, however felt the step Honda had made was nonetheless not large enough to shut the hole to the frontrunners.
“I’m so happy with this final half an hour once I put a brand new tyre on and the issues have been working,” he defined.
“I do know I may be quick, so it is good to substantiate it. What has been tougher at the moment is attempting to take care of the tempo as a result of right here the idea of the rear tyre is completely different than in Malaysia and the behaviour of the bike is altering rather a lot lap by lap, possibly due to the tyre.

Joan Mir, Honda HRC
Photograph by: Gold and Goose / Motorsport Photos
“For that reason it is fairly robust to develop the bike as a result of we’ve been attempting many issues once more, however we nonetheless do not have this large step that claims, ‘okay, now we are going to combat, or now we made a step ahead’.
“I feel we made it [a step forward] as a result of even Marini was fairly quick at the moment and when we have to do a lap time it appears we’re extra aggressive than final 12 months. So this can be a step. However then we at all times need extra. We must see for the race distance.”
Images from Buriram Check – Day 1
On this article
Franco Nugnes
MotoGP
Honda HRC
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