因此，不要使用粘度过大的发动机润滑油，更不能认为粘度越大越好。在保证润

Therefore, do not use engine lubricating oil with excessive viscosity, let alone think that the higher the viscosity, the better. Under the condition of ensuring lubrication, according to the temperature range at the time of use, lubricating oil with a small viscosity should be selected as much as possible. However, for engines with more severe wear and larger gaps, lubricating oils with a slightly higher viscosity can be used appropriately.

因此，不要使用粘度过大的发动机润滑油，更不能认为粘度越大越好。在保证润滑的条件下，根据使用时的气温范围，尽可能选用粘度小的润滑油。但对磨损已比较严重、间隙已比较大的发动机，可适当选用粘度稍大的润滑油。

Therefore, do not use engine lubricating oil with excessive viscosity, let alone think that the higher the viscosity, the better. Under the condition of ensuring lubrication, select lubricating oil with low viscosity as much as possible according to the temperature range during use. However, for engines with severe wear and large clearance, the lubricating oil with a slightly higher viscosity can be selected appropriately.<br>