Troubleshooting > Failures par brand > DERBI > DERBI SENDA R DRD RACING > My motorcycle DERBI SENDA R DRD RACING 50 has an exhaust gas leak at the cylinder outlet
One of the first symptoms is the exhaust gasket. A faulty exhaust gasket will produce an exhaust leak that will sound like a hissing or knocking sound coming from the engine. The sound can be especially pronounced during a cold start or when accelerating. Also a loss of power from your motorcycle DERBI SENDA R DRD RACING 50.
â†' Check the tightness of the screws of your exhaust pipe.
â†' Problem of gasket , check that the gasket is correctly placed (Washer towards the cylinder).
â†' Problem with the springs.
With the exhaust gasket, disassemble the complete line and apply copper grease ou joint compound on the end of the manifold where it enters the cylinder. This will add a seal.
Over time, the pot may become unbalanced par relation to his bride on the cylinder. This bride as it ages it tends to become oval, and the seal no longer occurs. The only remedy is to replace the O-rings complete par of joint compound if necessary.
Le exhaust of a 2 time expulse the gases burnt in the combustion chamber of the engine, during the explosion of the air-gasoline mixture. Changing pot for a detent pot will allow your motorcycle DERBI SENDA R DRD RACING 50 better expulser its gases. The exhaust must be connected to the cylinder manifold in a hermetic way, to allow the burnt gases to escape.
On a 4-stroke exhaust, changing its exhaust will only allow the outlet pressure to stabilize to even out the pressure at the cylinder exhaust, which helps to r also reduce the noise emitted.