Casey Stoner says it is crucial that a solution to his ongoing arm pump issues is sourced before long, despite his return to victory at Jerez.

Having blamed arm pump for a fairly lacklustre third place finish in the Qatar season opener, Stoner looked to have overcome his troubles with a convincing victory next time out at Jerez but went on record after the race to say its effects were still apparent.

With a short turnaround to this weekend's Portuguese Grand Prix at Estoril, while Stoner says he is satisfied with his and Repsol Honda's form, he is keen to 'fix' the arm pump problem before the race.

"A flying visit back home to Switzerland and now we have the Grand Prix of Portugal this weekend," he said. "After our win in Jerez, I'm looking forward to going to Estoril and hopefully we can maintain the form we've had in the past two races as we've shown good pace.

"However, we do need to fix the arm pump issue as it's held us back a little and it's disappointing we weren't able to fix it before Jerez.

"We've had some really good results at Estoril in the past, I got my first 250cc win there so I'll be aiming for another good result but it would be really nice if we can have some better weather for the weekend!."

Stoner's win brings him just four points behind Yamaha's Jorge Lorenzo after two rounds.


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