Harry Kewell is certain that he will get to full fitness prior to his first competitive match for new club Melbourne Heart.

The 34-year old winger held his first press conference as a Heart player in Melbourne on Wednesday and is targeting 100% fitness so he can provide a positive impact upon his return to the A-League.

"I think I've come at the right time. It gives me the opportunity to work hard for three months solid before the season starts to get my body right for game one," Kewell said.

"Even when I wasn't playing, I was still working out six times a week. Obviously not to the intensity of a football match, but I kept on ticking myself over.

"If I get a good pre-season, stay fit, I can last up there with the best. The body's good."

Since leaving Heart's rivals Melbourne Victory in July last year, the former Leeds United, Liverpool and Galatasaray attacker spent a short amount of time with Qatari club Al Gharafa before last month agreeing to return to Melbourne on a one-year deal.

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