A motorcycle can technically start and run with low oil, but it is not advisable to do so. Running a motorcycle with low oil levels can cause significant damage to the engine and other components, leading to costly repairs or even engine failure. Here's why:
Lubrication: Oil plays a crucial role in lubricating the various moving parts of the engine. It forms a protective layer between the components, reducing friction and heat generated by their interaction. Insufficient oil can result in increased friction, leading to excessive wear and tear.
Cooling: Oil also helps to dissipate heat from the engine. It carries away heat from the hot components, preventing them from overheating. Inadequate oil levels can cause the engine to overheat, potentially causing damage to seals, gaskets, and other sensitive parts.
Proper function of internal components: Motorcycles have a complex internal structure that relies on oil for proper functioning. Oil helps maintain tension on the timing chain, assists in the operation of the valve train, and contributes to the smooth operation of the transmission and clutch. Low oil levels can adversely affect these components and their performance.
Increased friction and wear: When there is insufficient oil, the metal components of the engine rub against each other directly, leading to increased friction and accelerated wear. This can result in damage to the engine bearings, pistons, cylinders, and other vital parts.
To ensure the longevity and proper functioning of your motorcycle, it's essential to regularly check and maintain the oil levels as per the manufacturer's recommendations. If you discover that your motorcycle has low oil, it's best to top it up to the recommended level or perform an oil change before starting the engine again. It's always better to err on the side of caution and prioritize the health of your motorcycle's engine.