Tuned engines will be allowed again at the two sidecar races at T.T. 2014.
Organisers have decided to return to "Open Class" regulations after talking to many of the competitors.
For the last two years, crews were not allowed to run tuned engines in their outfits in an effort to bring costs down.
However, after consulting with the teams, operating budgets appear not to have signicantly reduced.
Entries open for 2025 Parish Walk
Annual challenge takes place on 21 June
Defeat for FC Isle of Man after late AFC Liverpool strike
Home side score in stoppage time to secure 2-1 victory
FC Isle of Man to take on AFC Liverpool
Ravens to travel to Merseyside
Football: This weekend's fixtures
Who's playing who this weekend?
