Reigning MotoGP World Champion Casey Stoner isn't yet ready to consider surgery to fix the arm pump that cost him a win at the Qatar MotoGP opener and reared its ugly head again seven laps into Sunday's Jerez race.

The tenacious Aussie fought through the pain to hold off Jorge Lorenzo and take his first premier class victory at the Spanish track. He isn't considering going under the knife 'unless it's necessary' as even after surgery, the problem can re-appear.

"I spent a couple of laps getting through, so I felt it around lap seven. I wasn't feeling great, maybe the grip levels were a bit lower than we had at Qatar but then it came and I thought, 'Oh no, this isn't happening again'. I wondered whether to do the same as Qatar, back it off and stay smooth but it didn't work, I ended up blowing out, so I didn't back off cos I was going to get swamped," said Stoner, speaking to bikesportnews.com at Qatar.

"With three or four laps to go it was getting serious. I was getting whisky throttle (click here for explanation) but the last lap, knowing I couldn't make any mistakes, the adrenalin must have kicked in so I had a bit more feeling going in on the brakes and I felt a little better.

"Qatar was the worst I have ever had it. Silverstone (2010) was a little bit worse than it was today. I'm not really concerned, we just need to try and figure something out with it. I'd rather get on and fix it myself and not have any excuses. I don't know if it the chatter that is causing it because I'm gripping that bit tighter.

"I'll keep doing therapy, I have no intention of surgery unless it's necessary. I have already felt some improvements. After Qatar my muscles and tendons were sore, and I had to wait a few days before starting my rehabilitation. It doesn't hurt too much now though."