The type of motorcycle engine oil you should use depends on various factors, including the manufacturer's recommendations, the specific engine design, the operating conditions, and the climate in which you ride. It's important to consult your motorcycle's owner's manual for the manufacturer's specific oil recommendations. However, here are some general guidelines:
Oil Viscosity: Motorcycles require oil with a specific viscosity range to ensure proper lubrication. The recommended viscosity will vary depending on the motorcycle's engine design, temperature range, and usage. Common viscosity grades for motorcycles include 10W-40, 10W-50, and 20W-50. The first number indicates the oil's viscosity in colder temperatures, and the second number represents the viscosity at higher temperatures.
API Classification: Look for engine oils that meet the American Petroleum Institute (API) service classification recommended by the manufacturer. Common classifications for motorcycles include API SN, API SM, or older classifications like API SL or API SJ.
JASO Specification: Motorcycles with wet clutches require oil that meets the JASO (Japanese Automotive Standards Organization) specification. Look for JASO MA or JASO MA2 on the oil label. These specifications ensure proper clutch performance and prevent clutch slippage.
Synthetic vs. Conventional: Synthetic oils offer better performance and protection compared to conventional oils, especially under high-temperature conditions. Synthetic oils can handle extreme temperatures and provide improved engine protection. However, always follow the manufacturer's recommendations regarding oil type (synthetic or conventional).
Maintenance Intervals: Pay attention to the recommended oil change intervals provided by the motorcycle manufacturer. Regularly changing the oil and oil filter is essential for maintaining engine health and performance.
Remember, the manufacturer's recommendations in the owner's manual should be your primary source of information when it comes to selecting the appropriate engine oil for your motorcycle. If you have any doubts or specific questions, it's best to consult with a qualified mechanic or contact the motorcycle manufacturer directly for guidance.