Aprilia’s exhaust needs were interesting in a private test at Jerez on Wednesday with KTM and Yamaha, the three MotoGP rivals racing their 850cc bikes for the 2027 regulations.
Next year, MotoGP will introduce an extensive overhaul of the engine, with the new engines carrying a headline change from 1,000cc to 850cc. The Premier class bans all ride-height devices and includes additional aerodynamic restrictions from next year.
ApriliaKTM and Yamaha rented out Jerez for a three-day test this week to test their 850cc bikes in their current state of development. The test will give the manufacturers their first chance to test the tires that Pirelli is producing before they replace Michelin in 2027.
Due to their reduced status, only Aprilia and KTM testers can participate in the test. Lorenzo Savadori He has been tasked with testing Aprilia’s 850cc RS-GP at Jerez, while Dani Pedrosa and Pol Espargaro are working on KTM’s 2026 RC16 as well as their bikes for 2027.
How important will lap times be if the 2027 MotoGP regulations fail to improve the race?
Aprilia’s ‘long and thin’ exhaust attracts interest in 2027 MotoGP bike at Jerez
The 2027 MotoGP regulations have the potential to shape the order of the field, as teams will have to adjust the ride height and pit shot equipment that define the current era. MotoGP designed the 850cc regulations to make the bikes slower From the 1,000cc era.
Read more: 2027 MotoGP regulations explained, from 850cc engines to aero restrictions
Although Aprilia thinks there is a lot of potential to gain performance through their exhaust in the 850cc period. According to the report TodoCircuitOn the first day of private testing in Jerez, eyes were drawn to the exhaust on the Aprilia Development 2027 bike.
The RS-GP ‘attracted attention’ on Wednesday after Aprilia revealed its ‘extremely long and thin’ exhaust. Aprilia designed their exhaust in this way to optimize the power delivery of the 850cc engine, which will run on 100% non-fossil sustainable fuels by 2027.
Aprilia will focus on recording data on their 850cc bikes during private tests with Yamaha and KTM in Jerez, which they will use to refine their package ahead of the 2027 official test in Brno on June 22.
Honda has started testing their 850cc bike for the 2027 MotoGP regulations. But rather than join their rivals in Jerez for the three-day test from March 11-13, the Japanese constructor opted to make their maiden trip to Sepang with test rider Takaki Nakagami.
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