Both Motul 5100 15W50 and Shell AX7 15W50 are reputable engine oils that can be suitable for the Royal Enfield Classic 350. Choosing the "best" oil for your motorcycle depends on various factors, including your riding conditions, climate, and personal preferences. Here's some information about each oil:
Motul 5100 15W50: Motul is a well-known brand in the motorcycle lubricant industry. The Motul 5100 15W50 is a semi-synthetic oil that offers good protection and lubrication for the engine. It provides enhanced thermal stability, which can be beneficial for Royal Enfield motorcycles, especially if you ride in hot climates or engage in long-distance riding. The 15W50 viscosity rating makes it suitable for a wide range of temperatures.
Shell AX7 15W50: Shell is another reputable brand in the lubricant industry. The Shell AX7 15W50 is a semi-synthetic oil that is designed to provide reliable performance and protection for motorcycles. It offers good engine cleanliness, protection against wear, and consistent viscosity across different temperatures. The 15W50 viscosity rating also makes it suitable for various riding conditions.
When choosing between these two oils, consider the following:
Climate and riding conditions: If you live in a region with high temperatures or frequently ride in hot weather, the Motul 5100 15W50 may offer better thermal stability. However, if you ride in more moderate temperatures, both oils should perform well.
Manufacturer recommendations: Refer to the owner's manual or manufacturer recommendations for your Royal Enfield Classic 350. They often specify the recommended viscosity and oil type for optimal performance. It's essential to follow these guidelines to ensure warranty compliance and maintain the longevity of your engine.
Personal experience and preference: If you have previously used one of these oils and had a positive experience, or if you have a trusted mechanic who recommends one over the other, it may influence your decision. Personal preference can also play a role based on your satisfaction with the performance and feel of the oil.
In conclusion, both Motul 5100 15W50 and Shell AX7 15W50 are reputable engine oils suitable for the Royal Enfield Classic 350. Consider your riding conditions, manufacturer recommendations, personal experience, and preferences when making a choice. Regular oil changes and using a quality oil that meets the manufacturer's specifications are crucial for maintaining the performance and longevity of your motorcycle's engine.