Keyster 1981-1987 Yamaha XJ550/FZ600/YX600 Radian Four-Carburetor Rebuild Kit Set - K-1490

Restore reliable starting, idle quality, fuel metering, and throttle response with this genuine Keyster carburetor rebuild kit for the applications listed below. Made in Japan and designed for accurate OEM-style fit.

Quantity: This listing includes one matched set that services all four carburetors.

Product Details

• Part number: K-1490
• Brand: Keyster
• Country of manufacture: Japan
• Manufacturer reference: K-1490 = XJ550RK

Exact Kit Contents

• 4 float bowl gaskets
• 4 float needles (Viton tipped to survive modern fuel that OEM was never designed to handle)

Fitment

• 1981 Yamaha XJ550H
• 1981 Yamaha XJ550RH
• 1982 Yamaha XJ550J
• 1982 Yamaha XJ550RJ
• 1983 Yamaha XJ550K
• 1983 Yamaha XJ550RK
• 1986 Yamaha FZ600S
• 1986 Yamaha FZ600SC(California Model)
• 1986 Yamaha RADIAN - YX600S
• 1986 Yamaha RADIAN - YX600SC(California Model)
• 1987 Yamaha FZ600T
• 1987 Yamaha FZ600T(California Model)
• 1987 Yamaha YX600T RADIAN
• 1987 Yamaha YX600T RADIAN(California Model)

Prefer Us to Rebuild It?

Send your carburetor or complete carb bank to Duff Moto for professional cleaning, inspection, rebuilding, and setup. View our Motorcycle Carburetor Rebuild Service.

Why Keyster?

Keyster has produced precision carburetor components for decades. Its alcohol-resistant materials are well suited to modern ethanol-blended fuels and dependable restoration work.

Please compare the exact model, year, carburetor count, manufacturer reference, and product photos with your original carburetor before ordering. Contact Duff Moto if you need help confirming fitment.