Dani Pedrosa spent his last test day before the title-deciding final six rounds of the 2012 MotoGP World Championship evaluating a new rear shock and exhaust.

Testing alongside Yamaha title rival Jorge Lorenzo at the private Aragon outing, Pedrosa put his Repsol Honda on top - with what proved to be the fastest lap of the two days - on Tuesday.

Half-a-second behind that record-breaking time on Wednesday, Pedrosa lost out to Lorenzo by a few tenths for Wednesday honours, but insisted he had not been chasing lap times.

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The suspension, exhaust and electronic modifications on offer for Pedrosa at the test were geared towards improving rear traction and power delivery for his RC213V.

"Today I tested a new exhaust, just to see if we can get a better drivability from the engine and we found some positives that can help us in the next races. We also tried a different rear shock to get more grip," said Pedrosa.

"In general it's been a positive test, so I'm happy about the work we did and now we are focusing on the next races, where we will try to maintain the same level.

"We were not looking for a lap time here, but on working on improving the bike.

"It's been good to be back testing after the last two good races in Indy and Brno and now it's time to recover some energy to go to Misano and push again to the maximum".

Pedrosa has closed to within 13 points of Lorenzo after victories at Indianapolis and Brno. Six rounds remain, starting at Misano on September 14-16.

Jonathan Rea will ride alongside Pedrosa, and in place of the injured Casey Stoner, at Misano. Rea completed the five rider Aragon test line-up with a best lap 1.8s behind Lorenzo on Wednesday.