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Mikuni Fuel Inlet Cap Gasket – Fits 34mm Burco Mikuni Diaphragm Carburetors
34-28 Mikuni Fuel Cap Inlet Gasket
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Mikuni Fuel Inlet Cap Gasket – Fits 34mm Burco Mikuni Diaphragm Carburetors

Part Number: 34-28
Online Price: $1.91
Mikuni Fuel Inlet Cap Gasket – Fits 34mm Burc (Burris Racing) Carburetors
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Description

Mikuni Fuel Inlet Cap Gasket – Fits 34mm Burco (Burris Racing) Diaphragm Carburetors


The Mikuni Fuel Inlet Cap Gasket is a critical sealing component designed to prevent fuel leaks between the carburetor's fuel cap and inlet plate. Specifically made for Burco (Burris Racing) 34mm Mikuni diaphragm carburetors, this gasket helps maintain proper fuel system pressure and performance.


Why Replace Your Inlet Cap Gasket?

Unlike the cork-style gaskets commonly used in Tillotson carburetors, this Mikuni gasket is made from rubber, which doesn’t shrink over time. However, rubber can degrade due to exposure to methanol or contaminants. When deterioration occurs, it may allow debris to enter the fuel system, preventing the inlet needle from sealing or holding the grosse jetsopen—causing a rich condition or fuel flooding.


Key Features:

  • High-sealing rubber construction – More stable than cork, with better compression and sealing properties.
  • Methanol-compatible – Designed for use in racing fuel systems.
  • Prevents leaks and flooding – Maintains proper seal to avoid over-rich conditions.
  • Essential for regular maintenance – Check or replace every 3 race events to ensure peak carburetor performance.


Compatibility:

  • Fits Burco (Burris Racing) 34mm Mikuni diaphragm carburetors
  • Direct replacement for worn or damaged fuel cap gaskets


Maintenance Tip:

To avoid performance issues or engine flooding, inspect your fuel inlet gasket and diaphragm every 3 races as part of your regular maintenance routine.

FAQ

Q: What does this gasket do?

A: It seals the connection between the fuel cap and the inlet plate on your Mikuni diaphragm carburetor, preventing leaks and keeping debris from entering the fuel system.


Q: How often should I replace the gasket?

A: We recommend checking and possibly replacing it every 3 race events as part of your regular carburetor maintenance routine—especially when running methanol.


Q: Is this better than a cork gasket?

A: Yes. Unlike cork gaskets (like those used in some Tillotson models), this rubber gasket won't shrink, offering better long-term sealing. However, rubber can degrade from methanol exposure, so regular inspection is still necessary.


Q: What happens if this gasket fails?

A: A failing gasket can allow debris or air into the fuel system, leading to poor sealing at the inlet needle, rich running conditions, or even engine flooding.


Q: Will this fit any other carburetors?

A: This gasket is specifically made for 34mm Burco (Burris Racing) Mikuni diaphragm carburetors. Compatibility with other carburetors is not guaranteed.


Q: Is this compatible with methanol fuel?

A: Yes, it is designed to be methanol-compatible, but prolonged exposure still causes wear. Regular flushing and maintenance are highly recommended.

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