The Yamaha 1.8L Blow Off Valve WR04021 is a cost-effective performance upgrade designed for compatible Yamaha 1.8L supercharged personal watercraft. Finished in red, this BOV assembly is designed to help reduce stress on the supercharger system while providing a lightweight and serviceable replacement setup.
The kit features a high-strength silicone hose incorporating a lightweight billet blow off valve. Necessary vacuum lines and fittings are also supplied for installation, providing the essential components together in one convenient kit.
Product Details
SKU: WR04021
Product Type: Blow Off Valve Assembly / BOV Kit
Application: Yamaha 1.8L Supercharged Engines
Colour: Red
Construction: Lightweight Billet
Hose: High-Strength Silicone
Installation: Designed for OEM Location
Application type: Stock or Modified Personal Watercraft
Kit Includes:
Lightweight Billet Blow Off Valve
High-Strength Silicone Hose
Required Vacuum Lines
Installation Fittings
The Yamaha 1.8L Blow Off Valve WR04021 is designed to help reduce pressure on the supercharger system, which can assist in reducing unnecessary load on the supercharger clutch during operation.
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