Mikuni FMK-406 R Power Jet Kit - Precision Fuel Metering for High-Performance Engines

Description

Upgrade your engine's fuel delivery system with Mikuni's FMK-406 R Power Jet Kit. This advanced carburetor component delivers precise fuel metering for maximum performance, efficiency, and engine protection across all RPM ranges.

Key Features

  • Precision Fuel Metering: Delivers measured fuel from the float bowl to the venturi at 1/3 throttle and above, ensuring optimal fuel mixture at partial throttle openings.
  • Leaner at Lower RPMs: Allows for reduced fuel jetting at lower engine speeds, improving fuel efficiency without sacrificing performance.
  • Richer at Higher RPMs: Supplies increased fuel flow at high RPMs for maximum power output and reduced risk of engine seizure.
  • Durable Construction: Built to withstand high-performance demands while maintaining consistent fuel delivery under varying operating conditions.
  • Compatibility: Designed for Mikuni carburetor systems, ensuring seamless integration with existing engine setups.

Why Choose This Product

Whether you're racing or riding recreationally, the FMK-406 R Power Jet Kit offers a balanced fuel delivery solution that enhances throttle response, improves fuel efficiency, and protects your engine from high-RPM damage. Its precision engineering ensures reliable performance across a wide range of riding conditions, making it an essential upgrade for serious riders seeking optimized power and durability.
SKU: GMEF35B5D2
MPN: FMK-406 R
Brand: MIKUNI
Stock: In Stock
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Upgrade your engine's fuel delivery system with Mikuni's FMK-406 R Power Jet Kit. This advanced carburetor component delivers precise fuel metering for maximum performance, efficiency, and engine protection across all RPM ranges.

Key Features

  • Precision Fuel Metering: Delivers measured fuel from the float bowl to the venturi at 1/3 throttle and above, ensuring optimal fuel mixture at partial throttle openings.
  • Leaner at Lower RPMs: Allows for reduced fuel jetting at lower engine speeds, improving fuel efficiency without sacrificing performance.
  • Richer at Higher RPMs: Supplies increased fuel flow at high RPMs for maximum power output and reduced risk of engine seizure.
  • Durable Construction: Built to withstand high-performance demands while maintaining consistent fuel delivery under varying operating conditions.
  • Compatibility: Designed for Mikuni carburetor systems, ensuring seamless integration with existing engine setups.

Why Choose This Product

Whether you're racing or riding recreationally, the FMK-406 R Power Jet Kit offers a balanced fuel delivery solution that enhances throttle response, improves fuel efficiency, and protects your engine from high-RPM damage. Its precision engineering ensures reliable performance across a wide range of riding conditions, making it an essential upgrade for serious riders seeking optimized power and durability.
SKU GMEF35B5D2
MPN FMK-406 R
Brand MIKUNI
Category Intake/Carb/Fuel System
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Frequently Asked Questions

A power jet kit modifies the fuel delivery characteristics of a Mikuni carburetor, typically improving performance at higher RPMs and throttle positions by adjusting the fuel mixture curve.

While experienced mechanics can install this, professional carburetor tuning is recommended to ensure proper jetting and performance after installation.

Carburetor modifications typically void manufacturer warranties. Check your specific vehicle's warranty terms.

The FMK-406 R is designed for specific Mikuni carburetor models. Verify compatibility with your carburetor's part number before purchasing.

Installation Guide

Difficulty Medium

Tools Required

  • Carburetor removal tools
  • Small screwdrivers
  • Gasket scraper
  • New gaskets/seals

Pro Tips

  • Take detailed photos during disassembly for reference
  • Use a carburetor cleaning solution before reassembly
  • Consider having a professional tune the carburetor after installation

Common Mistakes to Avoid

  • Not properly cleaning carburetor passages before installation
  • Over-tightening small fasteners
  • Failing to replace gaskets and seals

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