Livio Suppo has suggested Honda decided against its former champion Casey Stoner replacing Dani Pedrosa for the next two MotoGP races.

Pedrosa is out of at least the next two events after undergoing surgery to alleviate an ongoing arm pump problem, with Hiroshi Aoyama called up to ride the factory Repsol Honda in his place.

The possibility of two-time champion Stoner making a return had been played-down by Suppo within minutes of Pedrosa's arm pump announcement in Qatar. Five days later the Australian confirmed via Twitter: 'Sorry to everyone but I am not racing at Circuit of The Americas next weekend, it would have been an honour to ride for Dani Pedrosa' adding the hashtag 'NotMeantToBe'.

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The wording of that tweet prompted speculation that Stoner had indeed been interested in the ride. According to Gazzetta dello Sport, Suppo explained that whilst Stoner was considered, the cons of such a return - including competing at two unfamiliar circuits on a relatively unfamiliar bike - ultimately ruled it out.

"We have talked about it," Gazzetta quoted Suppo as saying. "There were some pros, but more cons, so we decided it would be better to leave it. People don't realise how high the level is, so having won a lot doesn't mean one is immediately quick on his return.

"Casey doesn't know the upcoming two tracks, and in the last two years he has only run for four days with this bike. I understand a return may spark people's imagination, everyone would have liked it, but what if he wasn't quick? What would people have said and written then?"

Suppo added that much more preparation would be needed if Stoner wanted to return to MotoGP - even for a wild-card appearance.

The Italian gave the example of Troy Bayliss competing in two WSBK rounds this season, plus Michael Schumacher's previous F1 comeback with Mercedes, to underline how difficult it is to return at the highest level. The fact Stoner would have been riding alongside reigning double MotoGP champion Marc Marquez makes the task even greater.

Stoner retired at the end of the 2012 season and though he briefly dabbled in V8 Supercar competition, his two wheel outings have been limited to a handful of MotoGP tests with Honda.

Nonetheless, Stoner has already confirmed a racing return for 2015 after being named as part of Honda's line-up for the prestigious Suzuka 8 Hour Endurance race.