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aaahhhhhh

  1. rubbish1

    Engine over revving when warm.... AAAHHHHHH!

    Can anyone help?? The bike is over revving when warm. Starts off at a steady rev then when it gets warm starts to over rev at around 4500-5000 RPM. -And the cooling fans don't cut in when they should!?? Just changed my bike into a track tool and carried out the flaper valve modification as...