YamaLube Plus 10w-40 is tailored specifically for Yamaha YBR125 motorcycles, meeting stringent API SL and JASO MA2 standards. Yamaha has rigorously tested this OEM engine oil to ensure optimal engine performance and protection. It provides precise clutch friction, crucial for the YBR125 engine to attain peak performance.

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Ideal for ambient temperatures ranging from -10 degrees Celsius to 35 degrees Celsius, this engine oil is particularly recommended for colder climates where temperatures dip below 0 degrees Celsius. Its formulation aids in effortless starting by minimizing resistance commonly associated with thicker oils.

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While it adheres to API SL and JASO MA2 standards, OEM engine oils like YamaLube often exceed these benchmarks, delivering superior protection compared to aftermarket oils of similar ratings.

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Please note that this review is independent and not sponsored by Yamaha. Our recommendation stems from firsthand experience testing this engine oil in cold weather conditions with Yamaha YBR125 motorcycles.

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It's crucial to avoid using this engine oil during hot weather or extended touring in high temperatures. Utilizing it in conditions above 35 degrees Celsius may cause the oil to thin excessively, leading to leakage into the engine, compromised performance, and reduced oil levels, ultimately accelerating wear on internal engine components.