- It is important to be able to recognize the signs of a bad spark plug so that you can replace it before it causes serious damage to your dirt bike's engine. Some common signs of a bad spark plug include difficulty starting the engine, rough idling, poor acceleration, and decreased fuel efficiency. If you notice any of these symptoms, it is a good idea to inspect your spark plug and replace it if necessary.
When selecting a natural rubber gasket for your specific application, there are several key factors to consider. The first is the hardness of the gasket, which is typically measured on the Shore A scale. A softer gasket (lower Shore A hardness) is more flexible and better suited for applications where the sealing surface is uneven, while a harder gasket (higher Shore A hardness) provides better resistance to compression and extrusion.
The most common oil seals are the ERIKS types R, RST, M and MST, which correspond respectively to types A, AS, B and BS according to DIN 3760/ISO 6194.
MH: O.D. wall is a rubber material
HM: O.D. wall is a metal case
MH(S)H: O.D. wall is metal with a reinforced inner metal case
Silicone and rubber gaskets offer numerous advantages, including resistance to temperature extremes, chemicals, and environmental factors. Their flexibility and resilience allow for effective sealing in dynamic and challenging conditions. Additionally, these gaskets provide vibration dampening, noise reduction, and electrical insulation, making them valuable components in a wide range of industrial and commercial applications.
Figure 2: Typically shaped oil seal and component nomenclature