Michael van der Mark to make MotoGP debut in place of Valentino Rossi at Aragon

Yamaha has officially confirmed that – as first rumoured last week, then increasing clear during the Misano weekend – Michael van der Mark will make a MotoGP debut in place of Valentino Rossi at Aragon.

Rossi suffered displaced fractures of his right tibia and fibula during an enduro training accident on August 31, ruling him out of his home Misano round.

Yamaha are contractually obliged to replace Rossi at Aragon, which is just 22 days after his accident, well short of the 40-day recovery forecast by doctors.

“Following Valentino‘s crash on Thursday, August 31st, Yamaha decided not to replace him at the San Marino Grand Prix, but for the next Grand Prix in Aragón the team is obliged to enter two riders,” said Yamaha Racing managing director Lin Jarvis. “It being virtually impossible for Valentino to be fit to race in Aragón, Yamaha decided to search for a capable replacement from within its own pool of contracted riders.

“Having previously used Katsuyuki Nakasuga to fill in for Jorge Lorenzo in 2011 and Alex Lowes to replace Bradley Smith in 2016, we decided that Michael van der Mark should have the opportunity this time around. It is never easy to step in to replace another rider and even more difficult to replace Valentino Rossi, but we believe that Michael has all the credentials and experience to do a good job.

“We will give him our very best support and wish him every success for this exciting opportunity. We also hope that Valentino will continue to make a rapid recovery and that we will see him again, back on his YZR-M1, on the earliest possible occasion.”

“I’m excited to be given the opportunity to ride the YZR-M1 at the Aragón MotoGP round,” said van der Mark, who will ride alongside title contender Maverick Vinales. “I‘ve never ridden a MotoGP bike before, so this will be a completely new experience for me.

“I‘m very curious to see what it feels like to ride on such a machine. I realise that it won‘t be easy going straight into an official practice session without any prior testing. Nevertheless, I‘m very grateful to Yamaha for the opportunity. I‘m sure it will be a great learning experience.”

van der Mark stepped up to WorldSBK, with Ten Kate Honda, as the reigning World Supersport champion in 2015.

After nine podiums and fourth in last year’s championship, the 24-year-old Dutchman switched to the official Yamaha WorldSBK team. He has claimed a best finish of fourth this season, but looked on course for the current R1’s first victory before a tyre failure at Misano.

van der Mark also made ten grand prix appearances in the 125c and Moto2 classes between 2008 and 2011, with a best result of 18th in his home Assen race in 2009. van der Mark is now set to be the first Dutch rider since Jurgen van den Goorbergh in 2005 to race in MotoGP.

van der Mark is currently seventh in the WorldSBK standings, two places behind team-mate Alex Lowes.

Rossi should be fit for the following Japanese MotoGP, which starts 42 days after his accident.

Source: Michael van der Mark to replace Valentino Rossi – Official | MotoGP



Triumph provided an update on its Moto2 engine development, showing the 765cc engine undergoing testing in a prototype based on the Daytona.

Dennis Chung September 8, 2017

Triumph has released an update on the development of its Moto2 engine, showing for the first time a prototype undergoing tests at the Ciudad del Motor de Aragon circuit. Triumph is set to replace Honda as the sole engine supplier for the Moto2 World Championship in 2019, using a motor based on the 765cc Inline-Three powering the Street Triple RS.

Triumph to Supply Moto2 Engines

For this test, the engine is mounted to a race chassis based on the current Daytona 675. Former 125cc World Champion and Moto2 runner-up Julian Simon took the prototype out on a shake down test to produce data on the engine’s performance and durability under racing conditions.

Triumph calls this a race prototype chassis, though the frame, and swingarm, not to mention the fairing, look similar to the existing Daytona 675. The subframe, however, looks new, and the prototype sports race suspension, OZ wheels and a different exhaust system

Based on the Speed Triple RS’ 765cc engine, the Moto2-spec powerplant includes a number of modifications including a revised cylinder head, titanium valves and stiffer valve springs. Triumph also added a tuneable slipper clutch and added a taller first gear. Moto2 bikes will also be managed by a spec ECU by Magneti Magelli. In its production form, Triumph claims the engine offers 121 hp at 11,700 rpm and 57 lb.-ft. at 10,800 rpm. The race engine will be higher revving and should see a significant bump in power and torque.

According to Triumph, development is proceeding ahead of expectations with Simon able to produce consistent and competitive lap times. Triumph says it is on schedule to deliver the first batch of Moto2 race engines by June 2018.

“At this stage of the development program we are in a good place. We are very pleased with the pace that Julian is showing with the latest engine and his feedback has been very positive,” says Steve Sargent, Triumph’s chief product officer. “We have confidence that we will deliver an engine that the teams will enjoy racing with and a spectacle and sound that will excite the fans.”

Simon has been playing a key role in developing the engine and he says the engine has improved since he last tested it.

“I am really happy to be here in Aragón testing the development of the 2019 Moto2 engines with Triumph,” says Simon. “I can see there has been a big improvement with the latest engine, giving a great feeling. There’s a lot of power and the gearing is fantastic, and for the sound, this is also fantastic. To me, it’s fun.”

Of course, this does raise the question of if (when?) we’ll see a new Daytona 765 enter production. Unfortunately, this prototype offers little clues about a potential new model; there’s far too much of the existing Daytona 675 in the test prototype, and we’d have to expect a new model would look a little more different from is predecessor.

Then again, the video does end with a tease about there being “even more to come in 2018…”

Source: Triumph Tests Moto2 Engine with Daytona-Based Prototype