MotoGP rookie Scott Redding stands a good chance of extending his advantage as the top Open class Honda rider during this weekend's Indianapolis round.

The 21-year-old Briton concluded the opening half of the season twelfth in the world championship but the second best Open competitor behind Forward Yamaha's Aleix Espargaro.

The Englishman, tipped to take over team-mate Alvaro Bautista's Factory class RC213V in 2015, is presently just four points clear of fellow RCV1000R rider Nicky Hayden. However former world champion Hayden is missing Indianapolis - which has been slightly reconfigured and largely resurfaced - due to further wrist surgery.

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"I enjoy racing in the United States, as the fans really show their support," said Redding. "The city of Indianapolis and everyone in it really gets behind the race and that's inspiring for us.

"It will be interesting this year as they've changed the track layout a little and they've completely resurfaced the infield section where, before, we had four different types of asphalt. The main straight remains though and the run down there and into the fast turn one should be quite exciting on a MotoGP bike!

"Starting the second half of the year with an advantage over the other production Honda riders is good, but now we need to continue like this for the remainder of the season. I enjoyed the summer break. I managed to relax a little, recharge my batteries and get in enough training so that I'm even stronger for the second half of the season.

"A lot of my training has been done in hot conditions, in Spain and Florida, as we're expecting the same here at Indianapolis, so I'm fully prepared for the weekend ahead."

Opening Indianapolis practice gets underway on Friday morning.