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Start ShoppingMIKUNI FVM22/210-70 Bleed Pilot Jets - High-Flow Brass Jets for TM Series Carburetors
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Description
Precision-engineered for performance, these MIKUNI FVM22/210-70 bleed pilot jets deliver 210% standard flow rates to enhance fuel efficiency and engine responsiveness. Perfect for riders seeking reliable carburetor tuning solutions.
Key Features
- Brass Construction: Durable, corrosion-resistant material for long-lasting performance in harsh environments.
- M5 x 0.75 Thread: Precision-fit for Mikuni TM series carburetors (TM40, TM42) ensuring secure installation.
- 210% Flow Rate: Superior fuel delivery for improved throttle response and engine power.
- Compact Design: 10mm overall length for easy replacement without modifying carburetor housing.
Why Choose This Product
These bleed pilot jets offer a perfect balance of durability, precision, and performance. The high-flow design ensures consistent fuel metering across varying RPMs, while the brass material resists clogging and wear. Ideal for off-road and street use, these jets provide a reliable solution for riders who demand precision tuning without compromising engine efficiency.
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Precision-engineered for performance, these MIKUNI FVM22/210-70 bleed pilot jets deliver 210% standard flow rates to enhance fuel efficiency and engine responsiveness. Perfect for riders seeking reliable carburetor tuning solutions.
Key Features
- Brass Construction: Durable, corrosion-resistant material for long-lasting performance in harsh environments.
- M5 x 0.75 Thread: Precision-fit for Mikuni TM series carburetors (TM40, TM42) ensuring secure installation.
- 210% Flow Rate: Superior fuel delivery for improved throttle response and engine power.
- Compact Design: 10mm overall length for easy replacement without modifying carburetor housing.
Why Choose This Product
These bleed pilot jets offer a perfect balance of durability, precision, and performance. The high-flow design ensures consistent fuel metering across varying RPMs, while the brass material resists clogging and wear. Ideal for off-road and street use, these jets provide a reliable solution for riders who demand precision tuning without compromising engine efficiency.| SKU | GM01051817 |
|---|---|
| MPN | FVM22/210-70 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various (Suzuki, Yamaha, Honda, Kawasaki) | TM40-equipped models (e.g., Suzuki RM250/450, Yamaha YZ250F/450F, Honda CRF450R, Kawasaki KX450F) | 2000-2025 |
Frequently Asked Questions
210 indicates 210% flow rate compared to standard pilot jet; 70 refers to the bleed hole size in 0.01mm increments.
Yes, threads into Mikuni TM carb pilot jet seat, but it's for tuning richer/leaner mixtures, not OEM stock.
Typically buy one per carburetor, but test and match as needed.
Carb tuning is common and usually doesn't void warranty, but check with manufacturer.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet cleaning wire or carb cleaner
Pro Tips
- Always record your stock jet size and test plug read after changes. Use in pairs for even flow.
Common Mistakes to Avoid
- Not cleaning jet passages before install
- Installing without noting original jet size
Comparison vs Stock/OEM
Aftermarket bleed pilot vs stock non-bleed pilot; provides precise mixture control via bleed tuning
Improvements
- Finer altitude/temp tuning adjustment
- Better idle/low-speed response
- Easier to richen/lean without changing jet size
Considerations
- Requires jetting knowledge; not plug-and-play
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning (brass construction)
Warranty
Limited lifetime from Mikuni against manufacturing defects
Maintenance
Clean with carb cleaner every service; inspect for clogging
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