Ever notice fuel seeping where it shouldn't? This O-ring for the adjuster needle provides a tight, reliable seal in Tillotson carburetors, compatible with 44-361 and 44-270 setups (SKU: TNO). It prevents air leaks that disrupt mixture ratios, ensuring your engine runs clean and strong from the first lap.

• Resists degradation from fuels and vibrations
• Easy replacement during routine carb servicing
• Helps sustain consistent idle and throttle response

By keeping everything sealed, it indirectly boosts your kart's speed by allowing accurate tuning without constant corrections. Ideal for trackside fixes to minimize prep time and maximize racing sessions.

Frequently Asked Questions

Q: How do I know if my adjuster needle O-ring needs to be replaced?

A: If you notice fuel seeping around the needle adjustment screw or if your engine experiences erratic idle and inconsistent throttle response, the O-ring may be worn or cracked. Replacing it restores the seal and prevents air leaks that disrupt your fuel-to-air mixture.

Q: Is this O-ring compatible with all Tillotson carburetors?

A: This specific O-ring is designed for Tillotson carburetors utilizing 44-361 and 44-270 setups. Always check your specific carburetor model or manual to ensure compatibility before installation.

Q: Do I need any special tools to install this O-ring?

A: No special tools are required. It is a straightforward replacement during routine carburetor maintenance. Ensure the needle area is clean of debris before seating the new O-ring to ensure a proper, airtight seal.

Q: Can this O-ring withstand high-performance racing fuels?

A: Yes, this O-ring is engineered to resist degradation from common racing fuels and the high-vibration environment of kart racing, ensuring long-term durability and consistent tuning.

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