
If your oil has been opened and is a couple of years out of date, it'll most likely be absolutely fine. However if your oil hasn't been opened, it'll take years and years for it to degrade. If you're buying a bike that's been run on car oil, beware!Įngine oils have an expiry date which means the performance levels can no longer be guaranteed. So a car oil could make your clutch slip or knacker your gearbox. Most cars use a separate gearbox oil and most cars have a dry clutch. 10w40) as for motorcycle engines, the additives in the oil will be different.


Even though you can and will find car oil with the same viscosity ratings (i.e. Can I use car engine oil in my motorcycle?
