250cc world champion Hiroshi Aoyama impressed the newly formed Interwetten Honda MotoGP team with his pace on day two of the Sepang rookie test - also attended by fellow RCV newcomer Marco Simoncelli and the Honda test team.

After setting a 2min 4.38sec - without the aid of electronics - on day one, Aoyama made a significant step forward with a 2min 3.25sec on day two. That compares with a 2min 3.70 for Simoncelli, while the official race lap record stands at 2min 2.180sec from 2007 (the 2009 race was wet).

"We're still using the ex-Gabor Talmacsi bike," Aoyama's team manager Daniel Epp told Crash.net. "We did 60 laps yesterday and just over 40 laps today, because of the rain shower in the afternoon.

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"The lap time was quite nice, just over one second from the lap record," he continued. "Hiro is learning fast. Today we worked with traction control and engine braking, which is the big difference between MotoGP and all other classes."

As at his first test in Valencia, Aoyama's use of electronics is being carefully moderated by crew chief Tom Jojic to avoid creating a false impression of the RCV's character.

Nevertheless, with proper use of electronics vital for MotoGP success, Aoyama knows he must learn to exploit what presently seems like a 'strange' sensation.

"Yesterday we didn't put any electronic controls. Today they started to introduce some controls," confirmed Aoyama, speaking to Crash.net inside the pit garage.

"It felt strange because I like to control the bike myself but the machine does it. And you can choose where and which part it controls, which angle etc. It's quite complicated for me to use all the package of this bike. I need to go step-by-step, study and then go faster.

"I've ridden many types of bikes, but this is something special," he continued, pointing to the RCV nearby. "It is like a nice new toy for me! There are so many options to change and it is easy to get confused if you don't know how to use it. At this moment I don't know exactly what to change and in what way."

Aoyama, riding with the #7, believes some of the MotoGP learning process can be mastered simply by track time, but that other aspects will require careful thought.

"I think that adjusting to the acceleration and weight of a MotoGP bike is just a matter of time, but I will have to understand things like the tyres, brakes and electronics for myself. Riding alone won't be enough," he said.

Like all former 250cc riders, Aoyama also has to adapt his riding style to focus on corner exit.

"I have raced for 23 years with two-strokes and Qatar will be my first four-stroke race," he revealed. "I need to change my riding style because if we look at the data it seems like I'm carrying too much cornering speed and on corner exit I am losing time. I think coming out of a corner is the key point with a MotoGP bike."

Aoyama may be under no illusions as to the size of the task still ahead of him, but Jojic was more than satisfied with his day two performance.

"There are no experienced MotoGP riders here and the rookies are both quicker than the test riders, so we don't have a reference apart from the lap time," he told Crash.net. "What that also means is that Hiro doesn't have a faster rider to follow around and see if he is doing anything wrong. So what he's done today is a respectable lap time on his own and we're really happy with that."

Tech 3 boss Herve Poncharal may doubt the overall importance of one extra test for the rookies - on 2009 machines - but for a brand new outfit like Interwetten it's a significant opportunity.

"This test has a very big value for us because it is the first time that Hiro, Tom and our new telemetry engineer Francesco Fava - who used to work for Gresini - have all worked together," revealed Epp. "They are all communicating well and we are fortunate that they have also all worked with Honda before."

"I have two years of experience with Honda when we used their engine at Team Roberts [in 2006 and 2007], which is helpful because I know some of the Honda engineers and also understand the character of the engine and electronics," added Jojic, who then worked for Kawasaki before signing up for the Interwetten project.

"Our new telemetry engineer Franc is very good. The three of us are all working together for the first time here and it's been fantastic. This test is just what we needed," he declared.

The Sepang test concludes on Wednesday.