Castrol Engine Shampoo stands as a crucial component in the upkeep of modern motorcycles. This pre-oil change treatment is engineered to address the common problem of dirt and sludge accumulation in engines, ensuring your bike operates at its best. Key Features & Benefits: Prolonged Engine Life: Castrol Engine Shampoo excels in removing up to 85% of engine sludge, as evidenced in gasoline engine testing. This significant reduction in sludge prevents the clogging of vital engine components, a common issue in high-performance engines, thereby extending the lifespan of your motorcycle's engine. Enhanced Engine Efficiency: The deep cleaning action of the shampoo not only removes existing sludge but also optimizes the engine for the fresh oil. This results in improved lubrication, reduced friction, and ultimately, a smoother, more efficient engine performance, translating to a noticeably better ride quality. Universal Application: Specifically formulated to be compatible with all types of 4