K&L 11-3663 Carburetor Boot - Rubber Intake Manifold Seal for Air-Tight Engine Performance

Description

Upgrade your engine's breathing system with the K&L 11-3663 Carburetor Boot. This essential component ensures a perfect seal between the carburetor and intake manifold, preventing air leaks that can compromise performance and fuel efficiency. Perfect for riders seeking reliable, durable solutions for their powersports equipment.

Key Features

  • High-Quality Rubber Material: Constructed from flexible, durable rubber for long-lasting performance in harsh conditions.
  • Seamless Air-Tight Seal: Precision-engineered to create a secure connection between the carburetor and engine intake, minimizing air leaks.
  • Direct Replacement Design: Designed to fit standard carburetor systems, ensuring easy installation and compatibility with most models.
  • Weather-Resistant Construction: Resists cracking, aging, and fuel degradation for consistent performance in all climates.

Why Choose This Product

Whether you're maintaining a classic motorcycle, ATV, or off-road vehicle, this carburetor boot offers unmatched reliability. Its rubber construction ensures flexibility to adapt to engine movements, while its robust design prevents premature wear. By maintaining an air-tight seal, this boot helps preserve fuel efficiency, reduce emissions, and ensure smooth engine operation. With its straightforward installation and durable build, it's an essential upgrade for any powersports enthusiast looking to optimize their machine's performance.
SKU: GMFA096B12
MPN: 11-3663
Brand: K&L
Stock: In Stock
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Upgrade your engine's breathing system with the K&L 11-3663 Carburetor Boot. This essential component ensures a perfect seal between the carburetor and intake manifold, preventing air leaks that can compromise performance and fuel efficiency. Perfect for riders seeking reliable, durable solutions for their powersports equipment.

Key Features

  • High-Quality Rubber Material: Constructed from flexible, durable rubber for long-lasting performance in harsh conditions.
  • Seamless Air-Tight Seal: Precision-engineered to create a secure connection between the carburetor and engine intake, minimizing air leaks.
  • Direct Replacement Design: Designed to fit standard carburetor systems, ensuring easy installation and compatibility with most models.
  • Weather-Resistant Construction: Resists cracking, aging, and fuel degradation for consistent performance in all climates.

Why Choose This Product

Whether you're maintaining a classic motorcycle, ATV, or off-road vehicle, this carburetor boot offers unmatched reliability. Its rubber construction ensures flexibility to adapt to engine movements, while its robust design prevents premature wear. By maintaining an air-tight seal, this boot helps preserve fuel efficiency, reduce emissions, and ensure smooth engine operation. With its straightforward installation and durable build, it's an essential upgrade for any powersports enthusiast looking to optimize their machine's performance.
SKU GMFA096B12
MPN 11-3663
Brand K&L
Category Intake/Carb/Fuel System
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Make Model Years
Kawasaki KX450F 2004-2009
Kawasaki KX250F 2006-2007

Frequently Asked Questions

A carburetor boot is a rubber connector that seals the gap between the carburetor and the engine's intake manifold. It prevents vacuum leaks and ensures proper air-fuel mixture delivery.

Signs include rough idle, vacuum leaks, cracked or hardened rubber, fuel leaks, or difficulty starting. A visual inspection often reveals cracks or deterioration.

No. Carburetor boots are model-specific. The K&L 11-3663 fits specific applications. Always verify fitment before purchasing.

K&L Supply manufactures quality replacement parts. This is an aftermarket part that meets or exceeds OEM specifications for the compatible models.

Not necessarily, but it's recommended to minimize fuel spillage. You may want to turn off the fuel petcock and let the carburetor drain slightly.

Installation Guide

Difficulty Easy
Est. Time 15 min

Tools Required

  • Socket set or wrench set
  • Screwdrivers (Phillips and flat-head)
  • Hose clamps (may need replacement)

Pro Tips

  • Inspect the carburetor and intake manifold surfaces for cracks or damage
  • Apply a thin layer of silicone grease to the boot ends for easier installation
  • Use new hose clamps if originals are corroded or damaged
  • Ensure proper seating to prevent vacuum leaks

Common Mistakes to Avoid

  • Over-tightening hose clamps (can crack rubber)
  • Not cleaning mating surfaces before installation
  • Failing to inspect for cracks in old boot before removal

Durability & Warranty

Expected Lifespan 5-10 years typical, depending on storage and use conditions
Warranty K&L Supply typically offers manufacturer warranty - verify with retailer
Maintenance Inspect annually for cracks or hardening. Replace if deterioration is visible.

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