Yamaha - Vapor Separator Tank (VST) Fuel Filter 68F-13915-00-00. Overview. The Yamaha VST Fuel Filter 68F-13915-00-00 is one of those parts that keeps your fuel system clean where it matters most. It sits inside the vapor separator tank, catching fine debris before it ever reaches your injectors. When it starts clogging up, you'll usually notice it in sluggish starts or inconsistent performance. If you're staying on top of maintenance, this is one of those parts worth swapping before it becomes a problem.. Key Features. • Fine Fuel Filtration - Captures small particles before they reach injectors and fuel rails.. • OEM Fit Precision - Designed to match Yamaha VST systems for proper installation and sealing.. • Supports Consistent Performance - Helps maintain smooth fuel delivery and engine response.. • Compact Sock Design - Maximizes filtration surface area within the VST chamber.. Engine & Boat Compatibility. • Z150 Present• Z175 Present• Z200 Present• VZ150 Present• VZ175 Present• VZ