How to Choose 2T and 4T Motorcycle Oil Correctly
As we all know, two-stroke motorcycles are mixed combustion, that is, engine oil and gasoline are mixed together, 2T oil is a one-time oil, no residual waste oil after use. Four-stroke motorcycles, like automobiles, are separated and lubricated. The 4T oil used is not mixed with gasoline, and has a separate mailbox. After a period of use, there is residual oil. There are many differences between 2T oil and 4T oil, as shown in the following table:
| Item | 2T oil | 4T oil |
| Apperance | Red (or other colors) | General oil color |
| Smell | Solvent odor (or aromatics) | General oil taste |
| flash point | Very low, less than 200 C, flammable | It's very high. It's more than 200 degrees centigrade. |
| Dilutants (kerosene, etc.) | yes | No |
| viscosity | Most of them are 20,30 oil. | High mostly 40,50 oil |
| Compound additives | No ZDDP, low ash, otherwise the spark plug will be blocked easily. | Higher ash content than ZDDP |
| Tackifier | Low molecular PIB is beneficial to smoke suppression | Multipurpose OCP, generally without PIB |
Therefore, 2T oil is very different from 4T oil, which is basically two types of oil and can not be substituted.
When choosing 2T and 4T motorcycle oil, we should pay attention to it. Firstly, according to the packing instructions, we should choose FC grade smokeless oil. Secondly, we should check whether the oil contains diluent, pour out the oil and heat it to smell kerosene. The blending property of the oil without diluent is not good. Third, choose the appropriate fuel ratio when using
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