Search for Cause of Engine Oil Yamaha Scorpio seeped

Sad to see the oil seeped around the machine. As in the cylinder head Yamaha Scorpio. Worse when it's mixed dust, impressed slovenly and unkempt baseball. When traced, it turns out seals or O-rings of rubber that is around the machine is leaking. The reason could be the circumference of the outer rubber seals or torn, or harden due to engine heat. As a result, the maximum stem oil. There are several seals that cause runny oil in the engine of Scorpio.
First, there is the cap that seals the valve. Because in the heat, it is easy to harden and seal leaks. Moreover, if the O-ring imitation baseball mounting precision and less precise.
Secondly, the oil seeped around the cylinder head close to the right that reads Four. Cause O-ring cover blocks are not optimal work, oil seepage shown below, left and top cover Four.
Other causes of this area of the O-ring can be wired cable rpm. Position in the right head reads Four. Sil shape is similar but the center of the perforated small dimensions. In addition to O-ring in the cable rpm, the oil can also rembas of rubber seals in between the bolt holes are usually also has been corrosion or rust. If you believe this indeed mastermind, must make up the new rpm wires are sold in auto parts stores.