Keyster 1980-1982 Yamaha XS400 SOHC Two-Carburetor Rebuild Kit Set - K-1492

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 both carburetors.

Product Details

• Part number: K-1492
• Brand: Keyster
• Country of manufacture: Japan
• Manufacturer reference: K-1492 = XS400CARBKIT

Exact Kit Contents

• 2 float bowl gaskets
• 2 float needles (Viton tipped to survive modern fuel)
• 2 #135 main jets
• 2 #42.5 pilot jets
• 2 pilot jet rubber plugs (Viton to survive in modern fuel)
• 2 mixture screw o-rings (mixture screws are under an aluminum cap on the top engine side of the carbs. Drill a small hole into the cap, turn in a wood screw and pull it out to reveal the mixture screw!)

Important Fitment Note

For SOHC XS400 models only; not for 1982-and-later DOHC Seca or Maxim models.

Fitment

• XS400 XS400G - 1980
• XS400 XS400SG - 1980
• XS400 - 1981
• XS400 XS400H - 1981
• XS400 XS400SH - 1981
• XS400 XS400SJ - 1982

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.