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Yamaha YZ490 Fuel Systems

At JC Whitney, we offer the best selection of Yamaha YZ490 Fuel Systems parts and accessories. We offer an industry leading 30-day Guarantee so that you can shop with confidence! Narrow your selection below by providing the year of your vehicle for a custom list of Yamaha YZ490 Fuel Systems products.

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  • BOYESEN REEDS POWER REED VALVE

    Fits Yamaha YZ490

    Boyesen's Power Reeds has maximum performance at all RPM's. "Best power increase you can get on a dollar-for-dollar basis…period!" -... more

    Priced from:

    $44.22