It's generally recommended to change the engine oil of your Honda CBR 250R based on the service intervals specified by the manufacturer, regardless of the distance covered. Even if you have only ridden 1,000 kilometers instead of the recommended 600 kilometers, the engine oil can still degrade over time due to factors such as heat, oxidation, and contaminants.
Engine oil plays a critical role in lubricating and protecting the engine's internal components, reducing friction, and maintaining optimal performance. Over time, the oil can break down, lose its viscosity, and become less effective at providing adequate lubrication. Additionally, contaminants and byproducts of combustion can accumulate in the oil, which can hinder its performance.
By adhering to the recommended service intervals and changing the engine oil as advised, you ensure that your motorcycle's engine operates under optimal conditions, promoting longevity and reliability. It's a best practice to follow the manufacturer's guidelines for maintenance to keep your Honda CBR 250R running smoothly and to prevent potential issues that could arise from neglecting routine maintenance tasks like oil changes.