Yamaha 6FP-14984-00-00 VST Float Chamber Gasket
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Yamaha 6FP-14984-00-00 VST Float Chamber Gasket
The Vapor Separator Tank (VST) filter part number 6FP-14984-00-00 is attached to the electric fuel pump inside the VST and provides the final stage of filtration before fuel is pressurized into the injection rail. It traps tiny particles that have bypassed the primary and inline filters, ensuring that only clean fuel reaches the injectors. Yamaha recommends replacing the VST filter after every 300 hours of engine operation. Some models also have an inline filter between the primary pump and the VST; both filters should be inspected during fuel system service. A clogged VST filter can restrict fuel flow, cause hard starting or hesitation and damage the fuel pump. Replacing this OEM Yamaha filter restores proper fuel pressure and helps maintain peak engine performance.
Final stage fuel filter inside the Vapor Separator Tank (VST). Protects the high?pressure fuel pump and injectors from fine contaminants.
This gasket is specifically designed for certain Yamaha fuel?injected 4?stroke outboard engines:
Yamaha F90B series (90 HP) — model years 2016 and newer
Yamaha VF90 V?MAX SHO (90 HP) — model years 2018 and newer
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