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Road Racing FIM Superbike & Supersport World Championships

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• Weighing apparatus for investigation of valve weights<br />

• Colour for marking parts<br />

• Magnet for materials testing<br />

• Computer to read homologation CD-Rom<br />

2.10.5 Documents list<br />

• Regulations of the CURRENT year.<br />

• Homologation documents<br />

• CD-Rom with homologations<br />

• Technical control forms<br />

• Writing materials<br />

2.11 SOUND LEVEL CONTROL<br />

Sound limits in force:<br />

The maximum sound level 107 dB/A, shall be measured at a mean piston speed<br />

of 11 m/sec. The fixed RPM specified in Art. 2.14.6 may be used.<br />

2.11.1 With the microphone placed at 50 cm from the exhaust pipe at an<br />

angle of 45° measured from the centre-line of the exhaust end and at the height of<br />

the exhaust pipe, but at least 20 cm above the ground. If this is not possible, the<br />

measurement can be taken at 45° upwards.<br />

2.11.2 During a sound test, motorcycles not equipped with a gear-box<br />

neutral must be placed on a stand.<br />

2.11.3 The silencers will be marked when they are checked and it is not<br />

allowed to change them after the verification, except for any spare silencer which<br />

has also been checked and marked.<br />

2.11.4 The driver shall keep his engine running out of gear and shall<br />

increase the engine speed until it reaches the specified Revolutions Per Minute<br />

(RPM). Measurements must be taken when the specified RPM is reached.<br />

136

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