Riding a motorcycle with milky or frothy engine oil is not recommended. Milky or frothy oil is typically an indication of water or coolant contamination in the oil, which can be caused by a leaking gasket, a cracked engine block, or other issues.
If you notice milky engine oil, it is important to address the underlying problem before riding the motorcycle. Water or coolant contamination can have detrimental effects on the engine's lubrication and cooling capabilities, potentially leading to serious engine damage if not resolved.
Contaminated oil can result in reduced lubrication properties, which can increase friction and heat generation within the engine. This can lead to accelerated wear of engine components, such as bearings, pistons, and cylinder walls. Additionally, water in the oil can cause corrosion of internal engine parts, further compromising engine performance and longevity.
Moreover, if the coolant leak is severe and the engine loses its ability to cool properly, the engine can overheat, which can cause severe damage to engine components and potentially result in a breakdown or even engine failure while riding.
In such cases, it is advisable to have the motorcycle inspected by a qualified mechanic to diagnose and fix the source of the coolant contamination. This may involve repairing gaskets, replacing damaged parts, or addressing any other issues causing the coolant leak. Once the issue is resolved and the oil is no longer contaminated, you can ride the motorcycle with confidence, knowing that the engine is properly lubricated and cooled.