[Replacement time]:
It is recommended to overhaul the engine after 3-5 years of use or when obvious oil leakage, abnormal noise, power reduction, etc. are found to ensure engine performance and safety.
[Maintenance method]:
1. Regular inspection: regularly check the status of each component of the engine to find problems in time.
2. Regularly change the engine oil: regularly change the engine oil and filter to maintain the lubrication effect of the engine.
3. Avoid overload operation: avoid long-term high-speed driving and sudden acceleration to reduce the engine load.
