Following the first years’ experience using the new FIM Silencers in the 500cc Solo and 500cc Sidecar Class, and having regard to the current economic situation in the United Kingdom, the ACU Track Racing Committee have decided to make no changes to the Silencer requirements for 2012.
For More Details about Sound Levels and Other Changes for the 2012 season please follow the link to the Track Racing Page http://www.acu.org.uk/uploaded/documents/Sound-Levels-and-Changes-for-2012.pdf
The ACU Track Racing Committee is also pleased to announce the Provisional Grading List for 2011 and this came be found HERE. Any riders with a query about the 2011 Grading List should contact their Local Centre Recorder or the ACU Track Racing Department.