MotoCare reservoir oil cap for the Yamaha FZ-S V3 / V4, a box-shaped black cover with a side tab that bolts in place over the bike's fluid reservoir. The front carries cut-out "FZ" lettering above six angled vent slots in two rows of three, and the tab has a single mounting hole. It is tailored to the bike for a precise fit and built for durability and longevity, with reliable performance in various riding conditions. The styled design adds a custom touch to the reservoir area, and the user-friendly installation lets riders upgrade the bike themselves using everyday tools.