A safety fence will be in place in front of the scoreboard at the Grandstand in time for the start of T.T. later this month.
It follows a risk assessment study during last year's Festival of Motorcycling.
The mesh panel debris barrier will still allow spectators to view all the information on the historic scoreboard.
Isle of Man T.T. Clerk of the Course Gary Thompson says organisers have a duty of care to protect the scouts working on Glencrutchery Road as much as possible:
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