angle. 
The normal working temperature of the motorcycle engine can not be too low and too high, and the general lubricating oil temperature is about 70~C. If the engine operating temperature is too high, the power will be reduced. Even if the motorcycle ignition switch is turned off, the engine will not stop. The oil on the engine cylinder head and cylinder block will be burnt and smoke, and the engine will leak oil. If the engine itself runs for a long time, it will heat up. Coupled with the recent high temperature, one does not pay attention, it is easy to cause the engine to overheat fault. Today, I will talk to you about some simple maintenance methods of the fault.
Some of the causes of engine overheating failure:
1. The engine works under high power or overload for a long time;
2, the clutch slips;
3. The fuel mix ratio does not meet the requirements;
4, the heat is not good;
5, the exhaust pipe is blocked, the exhaust gas can not be discharged;
6. Delay in ignition time.
Troubleshooting steps:
1. First, make sure that your motorcycle is not overheated due to long-time high-speed operation or overloaded operation. Then check the heat dissipation of the engine to see if the heat sink is dirty and clean it in time.
2. Then check if your ignition time is abnormal, if you want to make adjustments or replace CDI.
3. Check the mixture ratio and exhaust pipe. If the proportion of the mixture is not correct, please pay attention to check whether the oil passage is unblocked and the air filter is dirty. The exhaust pipe is also to check whether the pipeline is unblocked and there is no carbon deposit or oil.
4. If there is no problem above, then it is necessary to check the engine's transmission system to see if the clutch is slipping and make necessary adjustments or replacements. Check the magneto motor installation position and adjust the ignition angle.
If the above methods still can't be solved, then go to the professional repair shop as soon as possible to carry out maintenance.
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