Having chosen to save the limited mileage available with the latest GSV-R engine for the forthcoming Assen round, Rizla Suzuki switched to chassis and fairing developments during Monday's Catalunya test.
Loris Capirossi was seen on track with an experimental fairing on his bike (pictured) and the Italian - who set the fifth fastest test lap - also revealed that a new chassis had been used.
“We had a full day in which to develop the bike, and we used it to try a different chassis and a different cowling,” the official MotoGP website reports Capirossi as saying.
But the GSV-R's biggest weakness still appears to be power output, something the latest engine developments partially address.
“As regards the engine, we are still at the stage where we can use either the old one or the new one,” said Loris, who took the new engine to fifth place in Sunday's race.
“It's maybe a little more powerful, but the main thing is the character. It makes the bike easier to ride. We can say that it's a step forward, but we need a bigger one.
“Luckily we don't need a really strong engine for Assen, so maybe there we will be competitive also,” he added.
Team-mate Chris Vermeulen was eleventh in the race and eighth at the test.