Can Motorcycle Oil Be Used in Cars?
1 Answers
Motorcycle oil cannot be used in cars. When selecting motorcycle lubricating oil, pay attention to two points: 1. Grade: Currently, SE, SF, SG, and SJ oils are available in the market, with higher grades indicated by the latter letters. Generally, SF or SG grade oil is sufficient for normal driving needs. If you frequently engage in high-speed riding, it is recommended to use a higher-grade oil, with SG being the minimum. However, note that even with high-grade oil, it should be replaced every 1000~2000 km. Do not believe claims that oil can last 10,000 km without changing—any oil will severely degrade after 500 to 1000 km in an engine environment exceeding 1000°C, losing its intended lubrication effect. 2. Viscosity. Multi-grade oils (labeled as 10W-30 or 15W-40, etc.) can be used year-round, with viscosity suitable for varying temperatures in winter and summer. Single-grade oils like SAE40 are only suitable for summer use and can be safely chosen for vehicles with significant engine wear. For general vehicles, improper use of high-viscosity oil may lead to poor oil circulation, causing irreversible damage to the engine, including severe consequences like cylinder scoring.