Bike Security
YAMALUBE OPTIMA 10W-40 Mineral Engine Oil
YAMALUBE OPTIMA 10W-40 Mineral is a genuine Yamaha premium mineral engine oil developed for 4-Stroke motorcycle engines. Its 10W-40 viscosity supports effective lubrication during cold starts and stable oil-film protection during high-temperature riding. Suitable for daily commuting, city traffic, and long-distance travel, it helps reduce friction and wear while supporting smooth clutch operation and gear shifting in wet-clutch motorcycles.