Jorge Lorenzo went a small way towards putting his Czech Republic Grand Prix disaster behind him with a scorching lap time in Monday's post race test at Brno.

The young Spaniard, who crashed out of Sunday's race with five laps to go - just one lap after taking the lead from Fiat Yamaha team-mate and title rival Valentino Rossi - returned to set a best lap time of 1min 56.171sec at the test.

That lap time was 0.499sec under the fastest race lap, also set by Lorenzo, and 0.451sec ahead of second fastest Rossi. Lorenzo set the time during the morning - with rain showers interrupting the afternoon running - and tried a new clutch setting, different engine maps and some new chassis parts for 2010.

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"Today was a profitable day and we worked on a lot of different things, especially electronics," said Lorenzo, who completed 52 laps. "I felt comfortable and I could ride in the 56.1's, which was good after yesterday. In the last hour I worked on my starts because this is something I need to improve.

"After lunch it began to rain and so I didn't go back on track until 1630, but I hope that everything we've done today will help us in Indianapolis. I'm not thinking about the championship now because it's very difficult unless something strange happens, but I want to try to be back at the front and I'm looking forward to the next race," he added.

Rossi, who will start the final six rounds of the season with a 50 point lead over Lorenzo, used the day to try a new chassis and engine specification for possibly use of next year's YZR-M1. The Italian's best test time effectively matched his best race lap.

"It's always hard to go back to work after a great win like yesterday but it was an important chance to try some things for the future," commented Rossi. "Before lunch we did a run with the new chassis, it has some good points and some bad ones and we were able to collect some data.

"Unfortunately it rained in the lunch break and so we couldn't ride for a lot of the afternoon because of the wet rack, but it dried enough for us to do some more work at the end. This time we could really concentrate on doing a proper job testing the chassis and the new engine specification, and I was quite fast. Now we have a short break and then it's on to Indianapolis!" added the five time 2009 race winner.

Repsol Honda also had plenty of parts to test, including Ohlins suspension, which Dani Pedrosa and Andrea Dovizioso ran back-to-back with their usual Showa systems. Ohlins is already used by all Honda's MotoGP rivals, but at present the only RCV team to run the units are LCR Honda.

Pedrosa, promoted to second in the grand prix by Lorenzo's exit, dipped 0.5sec below his best race lap on his way to third on the timesheets, 0.576sec from Lorenzo. Dovizioso, fourth in the race, was one-second slower than Pedrosa for fifth at the test as the Italian circulated a fraction under his best race lap.

Pedrosa and Dovizioso described their first impression of the Ohlins parts as "promising" and "positive" respectively.

Between the factory Honda riders was Rizla Suzuki's Loris Capirossi, who was seen on track with an experimental black fairing on his GSV-R. The Italian veteran, fifth in the race, lapped 1.372sec slower than Lorenzo but half a second under his best race lap.

Fresh from his first podium of the season, San Carlo Honda Gresini's Toni Elias continued to advertise his 2010 services by almost matching Dovizioso's pace, while Chris Vermeulen - whose Suzuki seat looks under pressure following Alvaro Bautista's signature - made clear progress by lapping 0.884sec quicker than he had on his way to eleventh in the race.

Now without Casey Stoner, who is sitting out three rounds to try and recover fitness, the fastest Desmosedici at the test was factory team-mate Nicky Hayden in eighth, 1.757sec from Lorenzo. The 2006 world champion, sixth in the race, matched Vermeulen's pace and knocked two tenths off his race lap.

Marco Melandri made similar progress for tenth place on his Hayate-run Kawasaki, with Stoner's replacement Mika Kallio eleventh. The young Finn, who crashed out with Melandri on the penultimate lap of the race, was just 0.006sec slower than the Italian at the test and 0.1sec from Hayden.

Kallio's usual Pramac Ducati team-mate Niccolo Canepa will be pleased to have lapped just 0.069sec slower than Kallio's time at the test, and found 0.715sec compared with his race lap. Fellow rookie Gabor Talmacsi equalled his best race lap for 12th on the Scot Honda.

Mattia Pasini made his MotoGP debut for Pramac Ducati at the test, in which the 125 and 250cc grand prix winner lapped 3.443sec from the front, but 0.606sec from Talmacsi.

Pramac, having loaned Kallio to the factory team, are seeking a rider for the forthcoming Indianapolis round.

Brno stand-in Michel Fabrizio retired early with a shoulder injury and isn't thought to be in contention. Pasini was half a second slower than the best race lap set by Fabrizio before shoulder pain proved too much and he retired from the race.

Also present was the Blusens backed BQR-Honda Moto2 squad, working with Dunlop to gather further data for next year's four-stroke support class. Unfortunately, de Gea injured his foot in a big highside.

The former grand prix rider set a best lap time of 2min 5.9sec, which would have been the 15th best lap in Sunday's 250cc grand prix. The fastest 250cc race lap was a 2min 2.300sec by race winner Marco Simoncelli (Gilera).

Monday's test marked the second and final opportunity for MotoGP testing before the end of the season.

As well as the sidelined Casey Stoner, Monster Yamaha Tech 3 rider Colin Edwards and James Toseland, LCR Honda's Randy de Puniet and Gresini Honda's Alex de Angelis also skipped the test.

Round twelve of the world championship, the Indianapolis Grand Prix, takes place on August 30.