Top 5 Riders with Most MotoGP 500cc titles 

5. mike hailwood

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the england born rider won 4 (500cc) titles

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4. mick doohan

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the aussie has 5 titles

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3. marc marquez

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the spaniard has 6 titles

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2. valentino rossi the italian has won 7 500cc gp titles

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1. giacomo agostini he is the most successful with 8 titles

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