Alex Lowes has enjoyed a positive comeback from injury at a one-day test at Misano with Pata Yamaha while being joined by regular Yamaha World Superstock 1000 rider Niccolo Canepa who stepped in for the recovering Sylvain Guintoli.

The British rider was forced to withdraw from his home round at the weekend with the pain in his left shoulder being too great and causing a potential danger to himself and other riders at Donington Park.

Lowes had initially aimed to make a speedy comeback from a broken left collarbone sustained in crash during a wet race two at Sepang but reluctantly pulled out of his home event despite being fourth fastest after Friday's free practice.

Working in short stints to not aggravate the injury, Lowes notched up 60 laps at Misano working on new electronic control plans on the traction control plus testing new front fork settings and chassis parts with focus on suspension and handling.

"I am still frustrated as we have plenty of things to try but I'm not fit enough to get through them all," Lowes said. "However, the work we did manage yesterday was good and I'm optimistic for the race in two weeks. I want to send a massive thank you to the whole team for all their hard work to make the test happen in such a busy schedule. I really appreciate it."

Canepa adapted to the World Superbike-spec R1 with ease thanks to his experience on the Superstock 1000 machine and the endurance version of the Yamaha R1.

The Italian spent the day working on the development engine and relished the opportunity of standing in for Guintoli, who is expected to make a return to action at the Italian track for round eight on the 17-19 June.

"I am really happy with the test and I want to say thank you to Yamaha for this opportunity," Canepa said. "I tested many things to continue the bike's development and we had a lot of good feedback. Usually it is not easy to switch from a Stock to a Superbike but the YZF-R1 is very easy and I felt comfortable from the first lap.

"It's a shame that it started to rain in the afternoon but it was good for the team to also be able to test in the wet conditions. I hope that the new improvements found will help Lowes and Guintoli to be fast in Misano for the next Superbike round in a few weeks."