Samsung Crescent Racing has confirmed that John Hopkins will not ride at Cadwell Park this weekend, the ninth round of the 2011 British Superbike Championship.
The injury to his right hand is healing well but doctors advise it is insufficiently healed to enable Hopkins to race again so soon.
The team has also confirmed that there will not be a replacement rider standing in for Hopkins and that Jon Kirkham will be their sole representative on track.
Team manager Jack Valentine said: "Unfortunately Hopper's hand is not healed enough to race this weekend, and while this is disappointing to us and the fans it is the right decision when we consider the upcoming Showdown phase of the championship.
"Hopper's been in daily contact as he's undergone intensive laser treatment and hyperbaric chamber sessions. He's explained the external pins are expected to be removed on Wednesday, but of course the weekend is too soon after that for his hand to be sufficiently healed.
"We will, we suspect, lose a few podium points to our rivals in the Showdown, but to race a superbike at a track such as this when you don't have 100% strength in your throttle and brake hand is simply too dangerous both to the rider and his competitors and would only stand to slow Hopper's recovery from the injury.
"The team will nonetheless be at very near full-strength as we look forward to giving Jon Kirkham additional resources for the weekend. He'll have two crew chiefs working for him as well as his regular crew of mechanics and we hope this will fast track his set-up, allowing him to get back to where he belongs, at the front of the field."