It is better to replace the oil filter once at 5000 kilometers. The service life of the filter is mainly judged by its filtering ability, not its quality:
1. As I just said, if there are too many impurities and grease in the oil, it will adhere to the filter paper and block the filter holes, causing the oil pressure to become low, and let the impurity oil directly enter the engine, which is equivalent to the oil not being filtered;
2. Actually, this time is the time to change the filter. In most cases, the service life of our oil filter is 5000 kilometers, which is for new oil;
3. To sum up, in most cases, the machine filter is changed every 5,000 kilometers, but if it does not reach 5,000 kilometers, as long as the oil is changed, the machine filter is generally replaced at the same time.

Replacement steps of the oil filter:
1. Warm up the engine, open the engine oil filling port cover, remove the engine guard plate after lifting the vehicle, remove the oil pan oil drain screw, and drain the old engine oil;
2. Put down the vehicle to disassemble the old oil filter, unpack the new oil filter, apply an appropriate amount of new oil to the seal ring, wipe off the oil and dirt on the joint part of the filter with a clean rag, and screw on the new filter, tighten it with a certain torque with an appropriate oil filter wrench, and wipe clean the appearance and joint part of the new filter;
3. Screw on the oil drain screw, put down the vehicle, add new oil, check the oil level, start the vehicle to idle and run for a while at medium speed, and observe whether the oil filter is leaking. Complete the operation after everything is normal.