How to run in CF400
As a domestic motorcycle that has attracted much attention, the Dongfeng 400's running-in period has become a hot topic among riders recently. This article combines hot topics and user feedback from the entire Internet in the past 10 days to compile a detailed running-in guide to help car owners scientifically spend the running-in period.
1. The importance of the running-in period
There are microscopic irregularities in the internal parts of new car engines, and running-in can make the surfaces of the parts form an optimal fit through gradual loading. Data shows that correct running-in can extend engine life by more than 30%.
| Breaking-in stage | Mileage | Speed recommendations |
|---|---|---|
| Initial running-in | 0-500km | ≤4500rpm |
| Mid-term running-in | 500-1000km | ≤6000rpm |
| Late run-in | 1000-1500km | ≤7500rpm |
2. Specific operational points
1.Oil selection:The 10W-40 fully synthetic engine oil recommended by the original manufacturer must be used. It is recommended that the first replacement be performed at 300km.
| Replace node | Oil type | Machine filter replacement |
|---|---|---|
| 300km | Fully synthetic | Need to be replaced |
| 800km | Fully synthetic | Need to be replaced |
| 1500km | Fully synthetic | Need to be replaced |
2.Driving skills:
• Avoid driving at constant speed for long periods of time. It is recommended to change gears every 15 minutes.
• It is prohibited to carry more than 50% of the rated load in the first 500km.
• After cold start, idle warm-up is required for 1-2 minutes
3. Analysis of common misunderstandings
| Misunderstanding | scientific explanation |
|---|---|
| Violent running-in is more efficient | It will aggravate the generation of metal debris and lead to the risk of cylinder pulling |
| Do not drive on the highway during the running-in period | As long as the speed is controlled, there is no harm in short-distance high-speed driving |
| Special engine oil for running in is required | The original fully synthetic meets the needs, no special oil is needed |
4. User actual measurement data
According to the tracking records of 50 Dongfeng 400 vehicles provided by the Car Club:
| Running-in method | Oil consumption after 1500km | Extremely fast performance |
|---|---|---|
| Standard running-in | ≤50ml | The meter shows 158km/h |
| Non-standard running-in | ≥150ml | The meter shows 146km/h |
5. Special precautions
1. The first chain maintenance should be carried out at 500km, and special chain oil needs to be used
2. The ECU learning period is about 200km. During this period, there may be stalls in shifting, which is normal.
3. It is recommended to install an OBD detector to monitor engine conditions in real time.
Summary:The running-in period of Dongfeng 400 takes about 1,500km. Following the principle of "progressive load + timely maintenance" can significantly improve vehicle performance. The recent running-in experience shared by many car owners shows that the top speed performance of the vehicle owners who strictly implement the above plan is 8-12% better than that of the casual running-in vehicle on average.
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