Keyster 1978-1979 Honda CX500 Carburetor Rebuild Kit - KH-0373NFR

Keyster KH-0373NFR carburetor rebuild kit for early Honda CX500 applications with the original Keihin carburetors. Made in Japan.

Quantity: One KH-0373NFR kit services one carburetor. The CX500 uses two carburetors, so order two kits for a complete carburetor-set rebuild.

Verified Fitment

• 1978 Honda CX500
• 1979 Honda CX500

Verified Kit Contents

• Float chamber gasket
• Float valve set
• Mixture screw set
• D322 / 25D jet needle
• Needle jet
• #78 main jet
• #112 main jet
• Miscellaneous O-rings as supplied

Product Details

• Keyster part number: KH-0373NFR
• Float chamber gasket reference: 16014-415-003
• Float valve reference: 16011-KCK-910
• Mixture screw reference: 16016-402-004
• Jet needle reference: 16012-415-003
• Country of manufacture: Japan

Some European Keyster catalogs also index this kit for certain 1977 CX500 applications. Duff Moto's listing remains limited to 1978-1979 unless the original carburetor is positively matched.

Prefer Us to Rebuild It?

Send your complete carburetor set to Duff Moto for professional cleaning, inspection, rebuilding and setup. View our Mail-In Carburetor Rebuild Service.