Dean Harrison will be the favourite to win the three-lap Superstock race after setting the fastest time in qualifying week with an average speed of 135.484 mph.
The Honda rider dominated the Superbike race on Saturday as he won his sixth TT, ahead of Peter Hickman and Michael Dunlop.
The second Superstock race is scheduled for Wednesday before a rest day on Thursday.
The Supersport and Sportbike races are pencilled in for Friday before the blue-ribband Senior TT will end race week on Saturday.
The two sidecar races have been cancelled on safety grounds after a review of a crash during qualifying that left reigning sidecar champions Ryan and Callum Crowe in hospital on Wednesday.
In a qualifying week that had been overshadowed by accidents, Maria Costello and passenger Shaun Parker were also injured in a sidecar crash on Tuesday.
On Monday, eight spectators and a rider were injured when a solo bike crashed into the crowd in untimed practice, and English rider Daniel Ingham died in a crash in qualifying on Wednesday at Doran’s Bend.
