Does a motorcycle engine need cleaning after being left unused for a long time?
2 Answers
Yes, a motorcycle engine needs cleaning after being left unused for a long time. It is recommended to change the engine oil and oil filter every 1,500 kilometers, and clean the engine every 8,000 kilometers. Introduction to motorcycle engines: A motorcycle engine is a mechanical device that converts the thermal energy generated by igniting the fuel-air mixture in the cylinder into mechanical energy. The crankshaft then transmits this power through the transmission mechanism to the rear wheel, providing the driving force for the motorcycle. Common types of motorcycle engines: Motorcycle power units generally use internal combustion engines. Engines that use diesel fuel are commonly called diesel engines, while those using gasoline are called gasoline engines. Due to advantages such as light weight, compact size, low noise and vibration, easy starting, and low cost, gasoline engines are widely used as power units in motorcycles.
As a seasoned motorcycle enthusiast, cleaning the engine is quite necessary after leaving the bike unused for a long time. My motorcycle sat idle for half a year last year, and when I started it, the engine felt a bit sluggish. Later, I discovered that the engine oil had oxidized and solidified, clogging some small passages. Generally, if left unused for too long, engine oil can deteriorate, mixing with dust or moisture, which can easily cause internal rust or carbon buildup. Cleaning doesn’t mean disassembling the entire engine for a deep wash, but rather replacing the old oil, checking the filter, and seeing if the spark plugs need cleaning. Starting the engine periodically helps circulate the oil and prevents seals from drying out. Before storage, I add some fuel stabilizer to avoid clogging the fuel lines. With regular maintenance, the bike will run smoothly and extend the engine’s lifespan. Ignoring this issue can lead to more troublesome and costly repairs later.