How to judge the quality of motorcycle oil
Motorcycle oil is the "blood" of the engine, and its quality directly affects the performance and life of the engine. Recently, the discussion about motorcycle oil has been very hot on the Internet, especially the topic of how to identify the quality of engine oil has attracted much attention. This article will combine hot topics in the past 10 days, analyze the pros and cons of motorcycle oil from multiple dimensions, and provide structured data to help riders quickly master the judgment method.
1. Analysis of basic indicators of engine oil
The performance of engine oil is mainly reflected by the following key indicators. The following is a comparison of engine oil parameters that have been hotly discussed on the Internet in the past 10 days:
| Indicator name | Characteristics of high-quality engine oil | Characteristics of inferior engine oil | Detection method |
|---|---|---|---|
| Viscosity index | Stable viscosity at high and low temperatures (such as 10W-40) | Viscosity fluctuates greatly when temperature changes | SAE standard testing |
| Flash point | ≥230℃ | <200℃ | Laboratory flash point tester |
| pour point | ≤-35℃ | ≥-15℃ | cryogenic freezing experiment |
| Base number (TBN) | ≥7.0 | ≤5.0 | Acid-base titration |
2. Actual measurement of popular identification methods
Based on recent popular evaluation videos on Douyin, Kuaishou and other platforms, the following three simple identification methods that have attracted the most attention have been sorted out:
| method name | Operation steps | Premium engine oil performance | Poor quality engine oil performance |
|---|---|---|---|
| filter paper diffusion method | Put 1 drop of engine oil on the filter paper and let it sit for 24 hours | Form a uniform three-layer diffusion ring | The oil ring boundary is blurred or impurities are deposited |
| Freeze test | Freeze at -18℃ for 12 hours | maintain liquidity | Solidification or flocculation |
| friction test | Apply between two fingers and rub | Delicate and smooth feeling | Feeling grainy or astringent |
3. Word-of-mouth data of mainstream brands in 2023
Combining the e-commerce platform reviews and motorcycle forum discussions in the past 10 days, we compiled the actual usage feedback of the current popular engine oil brands:
| brand | Positive rating | Main advantages | Common negative reviews |
|---|---|---|---|
| Shell Advance | 92% | Good cleanability and smooth shifting | Average long-lasting effect |
| Mote 7100 | 89% | Excellent high temperature protection | Price is on the high side |
| Castrol Power1 | 85% | Good cold start performance | Viscosity decays quickly |
| Great Wall Jaguar King | 88% | High cost performance | Noisy at high speeds |
4. Professional purchasing advice
1.See certification standards: High-quality engine oil will be clearly marked with international certifications such as JASO MA2 (for wet clutches), API SN, etc.
2.Check for anti-counterfeiting marks: There have been many cases of counterfeit engine oil recently, and genuine products should have a QR code traceability system.
3.Observe changes in usage: Normal engine oil should still remain amber after 2,000 kilometers of use. If it turns black quickly, it may contain too many impurities.
4.Listen to the engine sound: According to recent evaluation data from Station B, high-quality engine oil can reduce engine noise by 3-5 decibels.
5. Special reminder
Recently, some businesses have been hyping up concepts such as "nano engine oil" and "graphene engine oil". Actual testing found that many indicators of these products did not meet national standards. It is recommended to choose passMB certificationorISO certificationtraditional big-name engine oil.
Summary: By combining the three-dimensional judgment of physical and chemical indicators, simple testing and market feedback, car owners can effectively avoid the trap of inferior engine oil. It is recommended to change the engine oil every 5,000 kilometers or 6 months. Long-term use of inferior engine oil will increase engine maintenance costs by 3-5 times.
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