Noise regulation at auto24ring

Cars

The initial test is a static test which is carried out using a handheld meter. There must be a working rev counter. Each car is measured 0,5 meters away from the exhaust at 45 degree angle when the engine is being held at 4,500 rpm. In cases where the vehicle has two separated exhausts the measurement will be taken as below from the median point between two. Maximum noise allowed is 108 dB (A).

Motorbikes

The initial test is a static test which is carried out using a handheld meter. There must be a working rev counter. The regulation applies also to all the vehicles that are driven by motorbike engine. Each motorbike is measured 0,5 metersaway from the exhaust at 45 degree angle. In cases where the vehicle has two separated exhausts the measurement will be taken as below from the median point between two. Maximum noise allowed is 108 dB (A). The test is carried out when the engine is being held at rpm-s as described in following table:

Capacity, cc

1 cylinder

2 cylinder

3 cylinder

4 cylinders or more

250 cc (4 stroke)

5 500

8 500

 

 

300 cc (4 stroke)

 

7 000

 

 

400 cc (4 stroke)

5 000

6 500

7 000

8 000

600 cc (4 stroke)

5 000

5 500

6 500

7 000

750 cc (4 stroke)

5 000

5 500

6 500

7 000

750+ cc (4 stroke)

4 500

5 000

5 000

5 500

125 cc (2 stroke)

7 000

 

 

 

250 cc (2 stroke)

 

7 000

 

 

500 cc (2 stroke)

 

5 500

7 000

7 000