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082.8.2.2 Sound Control
Motorcycles must pass the noise control test, carried out according to Art.01.79
of the Bajas Technical Rules, during the preliminary examination and marked by
the organiser. For this test, the intakes of the air filter box of the machine must
not be obstructed and material (sponges, cloths, foams, etc.) must not be placed
inside the air filter box, except the air filter element.
The maximum limit of the sound level, using the 2 Meter Max method is fixed at:
For all engine types
Checks before the race:
Checks during and after
the race:
115 dB/A
116 dB/A
117 dB/A
23
Target
115 dB/A, + 1 dB/A
for the precision of the method.
116 + 1 dB/A for degradation
of the silencer.
If a motorcycle does not pass the noise control test, the rider must immediately
solve the problem before the next noise control test.
082.8.3 Technical Inspection during the Event
During the whole event the FMNR Technical Steward, under the supervision of
a Jury Member or the CRT Technical Delegate, can check any motorcycle. The
time spent for this test will be granted to the rider. The rider is responsible at any
time of the Baja for the technical conformity of his motorcycle.
For the sound control, if during the test, the machine exceeds 117 dB/A, the
rider will be penalised with 15 minutes (1st offence), 60 minutes (2nd offence),
disqualification from the event (3rd offence) or other penalties given as provided
for in the FIM Disciplinary and Arbitration Code.
For repairs, control, etc., the following applies:
a rider wishing to repair or replace the silencer of his machine can do so at
the end of the day after the final time control, no later than 60 minutes after
his time limit or no later than 60 minutes before his next scheduled starting
time. The rider may request as many noise controls as he wishes during
the 30 minutes allowance. After 30 minutes have elapsed, the rider will be
required to present his machine for testing to the noise control test official.
World Cup