MIKUNI FN100606-67.5 Low Speed Jet - High-Performance Intake System for Powersports

Description

Upgrade your powersports engine's performance with the MIKUNI FN100606-67.5 Low Speed Jet. This high-quality intake system delivers precise fuel metering for smoother acceleration, improved fuel efficiency, and consistent power output across all riding conditions.

Key Features

  • Precision Fuel Metering: Optimizes the fuel-air mixture for low-speed operation, ensuring responsive throttle control and reduced engine hesitation.
  • Durable Construction: Made from high-grade brass for long-lasting performance in harsh environments and extreme temperatures.
  • Universal Compatibility: Designed to fit a wide range of MIKUNI carburetor models, making it a versatile upgrade for ATVs, UTVs, and motorcycles.
  • Easy Installation: Simple replacement design with minimal modifications required for quick integration into existing fuel systems.
  • Adjustable Jetting: Allows fine-tuning of fuel delivery for custom performance tuning and varying fuel requirements.

Why Choose This Product

Whether you're tackling off-road trails or street riding, the MIKUNI Low Speed Jet delivers reliable performance with its advanced engineering. This essential component ensures your engine runs efficiently at lower speeds while maintaining power delivery across the RPM range. Its corrosion-resistant materials and precise calibration make it a trusted choice for riders seeking enhanced fuel economy and consistent engine performance.
SKU: GM083D8BF3
MPN: FN100606-67.5
Brand: MIKUNI
Stock: In Stock
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Upgrade your powersports engine's performance with the MIKUNI FN100606-67.5 Low Speed Jet. This high-quality intake system delivers precise fuel metering for smoother acceleration, improved fuel efficiency, and consistent power output across all riding conditions.

Key Features

  • Precision Fuel Metering: Optimizes the fuel-air mixture for low-speed operation, ensuring responsive throttle control and reduced engine hesitation.
  • Durable Construction: Made from high-grade brass for long-lasting performance in harsh environments and extreme temperatures.
  • Universal Compatibility: Designed to fit a wide range of MIKUNI carburetor models, making it a versatile upgrade for ATVs, UTVs, and motorcycles.
  • Easy Installation: Simple replacement design with minimal modifications required for quick integration into existing fuel systems.
  • Adjustable Jetting: Allows fine-tuning of fuel delivery for custom performance tuning and varying fuel requirements.

Why Choose This Product

Whether you're tackling off-road trails or street riding, the MIKUNI Low Speed Jet delivers reliable performance with its advanced engineering. This essential component ensures your engine runs efficiently at lower speeds while maintaining power delivery across the RPM range. Its corrosion-resistant materials and precise calibration make it a trusted choice for riders seeking enhanced fuel economy and consistent engine performance.
SKU GM083D8BF3
MPN FN100606-67.5
Brand MIKUNI
Category Intake/Carb/Fuel System
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Reviews

Make Model Years
Honda CRF450R 2004-2024
Kawasaki KX450F 2008-2024
Yamaha YZ450F 2006-2024
Suzuki RMZ450 2007-2024
Various Keihin FCR equipped bikes/ATVs 1999-2024

Frequently Asked Questions

Fits Keihin FCR series carburetors (39mm/41mm) found on most modern 4-stroke MX bikes.

Varies by bike/elevation. Often stock or one size up from stock for richer low-end tuning.

Usually rejet pilot, needle, and main together for complete tuning.

Improves low-speed fueling if your current jet is too lean. Requires proper tuning.

Installation Guide

Difficulty Easy
Est. Time 5 min

Tools Required

  • Small flathead screwdriver
  • Jet wrench or needle nose pliers

Pro Tips

  • Remove float bowl completely for access. Clean all jets while apart. Test plug chop after install to verify jetting.

Common Mistakes to Avoid

  • Dropping jet into carb body
  • Not cleaning float bowl before install

Comparison vs Stock/OEM

Direct OEM replacement or performance upgrade. Same brass construction and tolerances as factory jets.

Improvements

  • Consistent flow rates
  • Better corrosion resistance
  • Available in precise sizes for tuning

Considerations

  • Genuine Mikuni preferred over cheap knockoffs for accuracy

Durability & Warranty

Expected Lifespan Lifetime (unless lost/damaged)
Warranty Limited manufacturer warranty
Maintenance Inspect during carb cleaning. Replace if deformed or clogged.

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