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Start ShoppingMIKUNI 160 Large Round Main Jet - Brass Clip-On Jet for Precision Fuel Delivery
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Description
Upgrade your carburetor's fuel delivery system with MIKUNI's 160 Large Round Main Jet. This high-quality brass jet ensures precise fuel metering for smooth engine operation, whether you're riding off-road or on the track. Its clip-on design makes installation straightforward while maintaining exceptional durability under demanding conditions.
Key Features
- Jet Size: 160 orifice diameter (0.236 inch) for precise fuel flow control
- Material: Solid brass construction for corrosion resistance and longevity
- Design: Clip-on style for easy installation and adjustment
- Weight: Lightweight 0.5 gram design reduces strain on carburetor components
Why Choose This Product
MIKUNI's Large Round Main Jet delivers unmatched performance with its precision-engineered brass construction, ensuring consistent fuel delivery across varying throttle inputs. The 0.236 inch orifice diameter provides optimal airflow for both stock and modified engines, while the clip-on design simplifies maintenance without compromising sealing integrity. Riders will appreciate the jet's durability in harsh environments and its compatibility with standard carburetor setups for hassle-free upgrades.
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Upgrade your carburetor's fuel delivery system with MIKUNI's 160 Large Round Main Jet. This high-quality brass jet ensures precise fuel metering for smooth engine operation, whether you're riding off-road or on the track. Its clip-on design makes installation straightforward while maintaining exceptional durability under demanding conditions.
Key Features
- Jet Size: 160 orifice diameter (0.236 inch) for precise fuel flow control
- Material: Solid brass construction for corrosion resistance and longevity
- Design: Clip-on style for easy installation and adjustment
- Weight: Lightweight 0.5 gram design reduces strain on carburetor components
Why Choose This Product
MIKUNI's Large Round Main Jet delivers unmatched performance with its precision-engineered brass construction, ensuring consistent fuel delivery across varying throttle inputs. The 0.236 inch orifice diameter provides optimal airflow for both stock and modified engines, while the clip-on design simplifies maintenance without compromising sealing integrity. Riders will appreciate the jet's durability in harsh environments and its compatibility with standard carburetor setups for hassle-free upgrades.| SKU | GMCCCE9A09 |
|---|---|
| MPN | FN100604-160 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Keihin/Mikuni carbureted motorcycles, ATVs | 1980-2025 |
| Honda | XR series, CRF off-road | 1990-2010 |
| Yamaha | PW, YZ, WR series | 1985-2020 |
| Kawasaki | KX, KLX series | 1980-2015 |
| Suzuki | RM, DR-Z series | 1990-2020 |
Frequently Asked Questions
Fits Mikuni VM series (VM24-VM34), BS30/32/34/36/38, HSR42/45, PDS/TPS carbs on most Japanese bikes/ATVs.
Use plug chop method: mid-to-high RPM WOT run, check spark plug color (chocolate brown ideal). Size up 1-2 for richer, down for leaner.
Yes, large round (FN100604) has larger flow capacity; small round (FN100601) for precision tuning in stock ranges.
No, main jets are for carbureted engines only.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Remove carburetor float bowl completely for access. Clean jet and needle thoroughly. Test plug chop method for verification.
Common Mistakes to Avoid
- Damaging o-ring during removal
- Not cleaning carb passages before install
- Incorrect jet size selection without testing
Comparison vs Stock/OEM
Direct OEM replacement or upgrade for stock Mikuni/Keihin carbs
Improvements
- Precise fuel metering for optimal air/fuel ratio
- Better throttle response and power delivery when properly sized
Considerations
- Requires dyno or plug chop tuning; not plug-and-play without adjustment
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (clean every service)
Warranty
Limited lifetime from Mikuni against manufacturing defects
Maintenance
Remove and clean with carb cleaner every 10-20 hours of riding or annually
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