The noise limit for
the day is 105 db(A), which is measured at ½
metre from the exhaust outlet at ¾ maximum
revs. It is the rider’s responsibility to
ensure that their machine is within this limit.
All machines are sound tested prior to going out
on the circuit. In the event of a machine failing
the sound check, then the rider will be entitled
to a 75% refund. If you are unsure if your bike
will get through the noise test (i.e. if it is fitted
with an after market exhaust system), then you can
always come over to get the bike noise tested prior
to booking a place.
IMPORTANT INFORMATION REGARDING SOUND TESTING
Manufacturers are now launching bikes with shorter Moto GP style exhausts.
Whilst they look great, the smaller silencer means that some of these new bikes are over our noise limits. We do appreciate the frustration of buying a brand new road legal bike only to discover that it is too loud to ride at Castle Combe.
In our experience the following machines may not pass our strict limits:-
Suzuki GSXR600 – 2006 model
GSXR 750 K6 & K7
GSXR1000 K6 – 2006 model with standard exhaust
Yamaha R6 – 2006 model
Allowing just one machine on to the circuit over our noise limits could jeopardize the day to all our track users - hence the rigid policing of the regulations forced upon us by the local authorities.
This information is issued for guidance, we are always happy to sound check a bike prior to a customer making a booking. Please contact us for further information.
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