MIKUNI FVM22/210-17.5 Pilot Jets - High-Performance Brass Main Jet for 2-Stroke Engines

Description

Upgrade your 2-stroke engine's fuel delivery system with MIKUNI's FVM22/210-17.5 Pilot Jets. This high-precision brass main jet ensures optimal fuel-air mixture for maximum power, responsiveness, and engine longevity. Perfect for racers and enthusiasts seeking fine-tuned performance tuning.

Key Features

  • 17.5 Main Jet Size: Precisely calibrated for balanced fuel flow in 2-stroke engines.
  • Brass Construction: Durable, corrosion-resistant material for long-lasting performance.
  • M5 x 0.75 Thread: Standard thread size for easy installation and compatibility.
  • Compact Design: 0.197" OD and 0.5" length for seamless integration in carburetor systems.
  • Lightweight: Only 0.5 grams to minimize moving parts and improve throttle response.

Why Choose This Product

MIKUNI's reputation for precision engineering ensures this main jet delivers consistent fuel delivery across varying RPM ranges. The brass material resists clogging and maintains flow accuracy under extreme conditions. Its compact size and lightweight design make it ideal for high-performance applications where every millisecond counts. Whether you're racing or trail riding, this jet provides the reliability and performance needed to elevate your engine's capabilities.

SKU: GMDA163CA4
MPN: FVM22/210-17.5
Category: Jets
Brand: MIKUNI
Stock: In Stock
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Upgrade your 2-stroke engine's fuel delivery system with MIKUNI's FVM22/210-17.5 Pilot Jets. This high-precision brass main jet ensures optimal fuel-air mixture for maximum power, responsiveness, and engine longevity. Perfect for racers and enthusiasts seeking fine-tuned performance tuning.

Key Features

  • 17.5 Main Jet Size: Precisely calibrated for balanced fuel flow in 2-stroke engines.
  • Brass Construction: Durable, corrosion-resistant material for long-lasting performance.
  • M5 x 0.75 Thread: Standard thread size for easy installation and compatibility.
  • Compact Design: 0.197" OD and 0.5" length for seamless integration in carburetor systems.
  • Lightweight: Only 0.5 grams to minimize moving parts and improve throttle response.

Why Choose This Product

MIKUNI's reputation for precision engineering ensures this main jet delivers consistent fuel delivery across varying RPM ranges. The brass material resists clogging and maintains flow accuracy under extreme conditions. Its compact size and lightweight design make it ideal for high-performance applications where every millisecond counts. Whether you're racing or trail riding, this jet provides the reliability and performance needed to elevate your engine's capabilities.

SKU GMDA163CA4
MPN FVM22/210-17.5
Brand MIKUNI
Category Jets
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Reviews

Make Model Years
Various Japanese Carbureted motorcycles/ATVs (e.g., Honda XR series, Yamaha YZ, Suzuki RM) 1980-2025
Kawasaki KX250/450 1990-2010
Honda CRF250R/450R 2000-2020

Frequently Asked Questions

Fits Mikuni VM, VM2, VM4, PF, and select HSR series carbs. Check your carb model stamp.

Use a jetting kit or dyno tune; common for mid-range tuning at sea level or richer mixtures.

Yes, OEM Mikuni part number FVM22/210-17.5.

No, Mikuni jets have different threading; use Keihin jets for those carbs.

Installation Guide

Difficulty Easy
Est. Time 5 min

Tools Required

  • Small flathead screwdriver
  • Jet cleaning wire or carb cleaner

Pro Tips

  • Remove carb, unscrew old pilot jet carefully to avoid stripping threads. Clean with carb cleaner. Use jet gauge to confirm size.

Common Mistakes to Avoid

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

Comparison vs Stock/OEM

Direct OEM replacement or upgrade for stock Mikuni carbs

Improvements

  • Precise fuel metering for better throttle response
  • Adjustable for elevation/temp changes unlike fixed stock jets

Considerations

  • Stock may be different size; measure before replacing

Durability & Warranty

Expected Lifespan Indefinite with proper cleaning (metal jet)
Warranty Mikuni lifetime against defects
Maintenance Clean every 10-20 hours of riding or annually

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