Enhances performance of standard motorcycles, underbones and mopeds. During the stop start cycle of commuter journeys, mid size engines require reliable oil performance under a range of conditions. Shell Advance AX5 is an ideal oil for standard motorbikes thanks to its high oil performance reliability which helps to protect and clean your engine and prolong its life. Shell Advance AX5 formulated with Shell Active Cleansing Technology which helps prevent dirt particles sticking together to form deposit. Reduces engine noise and vibration. Protects and prolongs engine life.