2012 FIM Technical Rules Motocross

ENDURO
E1, E2, E3 2 metre max method
For all engine types 112 dB/A Target
Checks before the race:
Checks during and after
the race:
113 dB/A
114 dB/A
112 dB/A, + 1 dB/A
for the precision of the method.
113 dB/A + 1 dB/A for degradation
of the silencer.
CROSS COUNTRY RALLIES
All categories 2 metre max method
For all engine types 115 dB/A Target
Checks before the race
Checks during and after
the race
116 dB/A
117 dB/A
115 dB/A, + 1 dB/A
for the precision of the method.
116 dB/A + 1 dB/A for degradation
of the silencer.
TRIAL
All engine types According to the EC Directives
TRACK RACING 2 metre max method
All categories, all engine
types
117 dB/A
Target: 115 dB/A
Following the present system
using FIM homologated
Silencers or
115 dB/A + 2dB/A for the
precision
of the method.
As from 01/01/2013, all Disciplines (except Trial) will be measured with the
‘2 metre max’ method.
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General(e) Section