KEIHIN CV HARLEY 88-06 EMULSIFIER / IDLE JET OEM REPLACEMENT 27101-88

Key Replacement: Chimney / Emulsion Tube for Keihin CV Carburetor

The chimney (emulsion tube) of the Keihin CV carburetor is an essential component in the fuel system of many Harley-Davidson motorcycles. This replacement part substitutes the OEM Harley-Davidson reference 27101-88 and serves the function of emulsifying the fuel before it mixes with air, ensuring optimal engine performance.

Technical Details

Compatibility with Harley-Davidson Models

This component is compatible with a wide range of Harley models equipped with a Keihin CV carburetor:

Compatible Models:

• Sportster XL 1988-2006
• Big Twin 1990-2006 (with Keihin CV carburetor – NU)

Function of the Chimney or Emulsion Tube

The chimney (also known as the emulsion tube or needle jet holder) is responsible for mixing the fuel with air before it enters the engine. A damaged emulsion tube can cause carburetion issues, increased consumption, or power loss.

Recommended Use

Perfect for maintenance, restorations, or tuning of the carburetor. It is recommended to check or replace this part if there are symptoms of lean mixture, stalling, or starting difficulties.

Tip: For optimal performance, also replace the main jet and inspect the needle if the carburetor shows general wear.