MIKUNI FN100606-87.5 Low Speed Jet - High-Performance Intake System for Powersports

Description

Upgrade your powersports engine's performance with the MIKUNI FN100606-87.5 Low Speed Jet. This precision-crafted component ensures optimal fuel-air mixture for enhanced throttle response, smoother power delivery, and improved fuel efficiency across a range of riding conditions.

Key Features

  • High-Precision Fuel Metering: Delivers consistent fuel flow for reliable engine performance under varying load conditions.
  • Durable Brass Construction: Resists corrosion and wear for long-lasting performance in harsh environments.
  • Easy Installation: Designed for seamless integration with MIKUNI carburetor systems without complex modifications.
  • Compatibility: Fits a wide range of powersports engines including ATVs, UTVs, and off-road motorcycles.

Why Choose This Product

Whether you're tackling rugged terrain or cruising on the track, this low-speed jet ensures your engine runs at peak efficiency. Its precise calibration reduces fuel waste while maintaining power output, making it ideal for riders who demand both performance and reliability. The robust brass construction withstands extreme temperatures and contaminants, ensuring consistent operation through thousands of miles of use. With straightforward installation, this upgrade is a must-have for anyone looking to refine their powersports machine's performance.

SKU: GMCC12ACD4
MPN: FN100606-87.5
Brand: MIKUNI
Stock: In Stock
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Upgrade your powersports engine's performance with the MIKUNI FN100606-87.5 Low Speed Jet. This precision-crafted component ensures optimal fuel-air mixture for enhanced throttle response, smoother power delivery, and improved fuel efficiency across a range of riding conditions.

Key Features

  • High-Precision Fuel Metering: Delivers consistent fuel flow for reliable engine performance under varying load conditions.
  • Durable Brass Construction: Resists corrosion and wear for long-lasting performance in harsh environments.
  • Easy Installation: Designed for seamless integration with MIKUNI carburetor systems without complex modifications.
  • Compatibility: Fits a wide range of powersports engines including ATVs, UTVs, and off-road motorcycles.

Why Choose This Product

Whether you're tackling rugged terrain or cruising on the track, this low-speed jet ensures your engine runs at peak efficiency. Its precise calibration reduces fuel waste while maintaining power output, making it ideal for riders who demand both performance and reliability. The robust brass construction withstands extreme temperatures and contaminants, ensuring consistent operation through thousands of miles of use. With straightforward installation, this upgrade is a must-have for anyone looking to refine their powersports machine's performance.

SKU GMCC12ACD4
MPN FN100606-87.5
Brand MIKUNI
Category Intake/Carb/Fuel System
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Reviews

Make Model Years
Multiple (Universal) Mikuni VM/PF/BS carbureted motorcycles, ATVs 1980-2025
Yamaha YZ250 1998-2007
Honda XR400R 2003-2024

Frequently Asked Questions

Check your carburetor diagram or current jet size. 87.5 is common for sea level with stock setups or slight altitude adjustments.

No, this is Mikuni specific. Keihin uses different threading/sizing.

Usually just pilot/main jets. Consider needle clip position changes too.

Main jet controls 1/2 to full throttle. Low speed/pilot jet controls idle to 1/4 throttle.

Installation Guide

Difficulty Easy
Est. Time 5 min

Tools Required

  • Small flathead screwdriver
  • Jet cleaning brush
  • Carb cleaner

Pro Tips

  • Use carb cleaner and compressed air to clean passages
  • Verify jet size with carb diagram
  • Make small jetting changes (2.5 sizes max) and test ride

Common Mistakes to Avoid

  • Not cleaning jet passages before install
  • Installing wrong size jet

Comparison vs Stock/OEM

OEM quality replacement - identical to factory Mikuni jets

Improvements

  • Consistent fuel delivery
  • Proper factory tolerances

Considerations

  • Genuine Mikuni vs aftermarket copies

Durability & Warranty

Expected Lifespan Carburetor life (5+ years)
Warranty Mikuni lifetime against manufacturing defects
Maintenance Clean with carb cleaner during service, inspect for damage

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