A 2010 Yamaha R1 ridden by Cal Crutchlow, Scott Redding and James Toseland is one of the items up for grabs in Riders for Health's biggest online auction.
The bike has covered 3,500 miles, has a Bennetts paintscheme and will come taxed until 2013.
Other items up for grabs include a framed painting of Valentino Rossi signed by the Italian and a chance to join Keith Huewen and the Sky Sports team at the Sky Sports studio in London during a live broadcast.
There's more memorabilia up for auction such as clothing, knee sliders and photographs signed by current MotoGP riders.
To bid on the Yamaha R1 or any of the other items, click here. The auction ends on Monday September 10.
All of the money raised through the auction will be matched by the UK government.
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