Casey Stoner rode the latest RC213V and made his debut on the new 'Production Racer' as part of Honda's latest development tests at the Twin Ring Motegi Circuit.

The Australian had been unable to ride on the first day of his third HRC outing due to poor weather - which had also wiped out the whole of his second test - but action commenced as planned under cloudy skies on Thursday.

In the morning, Stoner rode the RC213V factory machine and in the afternoon the Production Racer, a new Privateer bike based on the RCV.

The main differences between the Production Racer and factory RCV is that the Production bike has spring (rather than pneumatic) operated valves, a normal (rather than seamless shift) gearbox, plus the full standard ECU system (rather than just the hardware).

Despite it being his first ride on the test model, Stoner lapped the circuit with 'high average speeds worthy of the RC213V'.

"Unfortunately the weather played a big role in this test which was a little frustrating not to be able to share the workload over the two days," said double world champion Stoner, who retired from MotoGP at the end of last season.

"We tried to do everything today but it was a little difficult, and we also had the threat of rain again. We started with the current RCV, trying to find a base setting and then work from there. We had two variations of chassis' to try and some big modifications and improvements in my opinion.

"We also tried the production bike which was more impressive than I predicted. It had a similar feeling to the RCV but with a little less power and a different feeling in engine braking. With some small modifications I believe this bike will be competitive and I look forward to the next test with it! In general it was a good, but busy day!"

Scott Redding, stepping up to MotoGP with Gresini, is the only rider so far confirmed as using the Production Racer in 2014.

Privateer entries will be allowed more race fuel and engine changes relative to the factory bikes.



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