Motocross and enduro float chamber gaskets - tightness and reliability of the fuel system

Float bowl gaskets are small but crucial elements responsible for the tightness of the lower part of the carburetor. In motocross and enduro, where the motorcycle operates in mud, rain and high temperatures, even a minor leak in the float chamber can lead to fuel overflow, loss of power or difficult starting. At Bajamoto you will find Keihin and Mikuni float chamber seals for KTM, Honda, Yamaha, Husqvarna and GasGas motorcycles - from renowned manufacturers All Balls, Tourmax, ProX and Athena.

Why is replacing the float chamber seals so important?

Over time, seals and O-rings lose their elasticity due to contact with fuel and temperature. Leakage in the float chamber leads to leaks, unstable fuel levels and incorrect mixture composition. Replacing gaskets every time you service your carburetor is an easy way to avoid more serious engine failures.

• prevents fuel leaks from the float chamber,
• restores the tightness of the power supply system,
• stabilizes the fuel level and mixture composition,
• increases the life of the needle valve and nozzles,
• guarantees easy starting and smooth engine operation.

Types of float chamber seals in Bajamoto

• OEM Replacement Seals – standard replacements for Keihin and Mikuni,
• Viton seals – premium, resistant to E10 fuel and high temperature
• ProX / All Balls Sets – complete sets of O-rings and gaskets for FCR, PWK, TMX carburetors
• Athena / Tourmax seals – Japanese precision and perfect fit to OEM,
• FM-Parts – resistant seals and O-rings for hard enduro and 2T/4T motocross motorcycles.

Top brand of motocross and enduro float chamber seals

• All Balls – sets of O-rings and seals for Keihin FCR and Mikuni TMX,
• Tourmax – OEM precision seals made of fuel-resistant materials
• ProX – premium sets made of long-lasting Viton
• Athena – carburetor regeneration sets made of NBR and FKM materials,
• FM-Parts – seals for off-road applications, resistant to extreme conditions.

How to choose float chamber seals for a motorcycle?

Each motocross and enduro float chamber gasket in Bajamoto has a detailed compatibility description - you just need to know the motorcycle model and carburetor type. Examples:

• All Balls Float Bowl Gasket Keihin FCR KTM EXC-F 250–500 2017–2024
• Tourmax Float Bowl Seal Mikuni TMX Yamaha YZF 250/450 2015–2023
• ProX Float Bowl Gasket Honda CRF 250R/450R 2014–2023

If you do not know what carburetor you have in your motorcycle - check the marking on the body (Keihin FCR, PWK, Mikuni TMX) or use the help of our technical department.

How to care for the float chamber seals?

When cleaning the carburetor, avoid aggressive solvents - they may damage the O-rings. Always install the seals cleanly and lightly lubricate them with silicone grease or technical Vaseline to extend their service life. Replace the seals every time you service the carburetor or at the first sign of fuel leakage.

Tightness you can rely on - only with Bajamoto

Choose motocross and enduro float chamber seals from brands trusted by racers and mechanics. With All Balls and Tourmax you will restore the tightness of Keihin and Mikuni carburetors, ProX will provide you with long-term resistance to E10 fuel, and Athena andFM-Parts will work in the most demanding conditions. With Bajamoto you can be sure that the fuel will get where it needs to be - and in the right amount. 🏁

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