✓ VERIFIED
Oct 12, 2021
Great quality for a great price
MIKUNI
SKU: 134-7180
Mikuni Large Round Main Jets #180 4-Pack - Harley & Indian V-Twin
$21.85
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About Mikuni
Mikuni has supplied carburetors and fuel-system components to the motorcycle industry for decades, and its HSR series remains a common choice for carbureted Evolution and Twin Cam V-twins where a clean, tunable fuel curve matters more than electronics.
Achieve precise fuel delivery with this 4-pack of genuine Mikuni Large Round Main Jets. Sized at #180, these jets are essential for dialing in your V-twin's carburetor to optimize mid-range and full-throttle fuel delivery. They are crucial for maintaining an ideal air/fuel ratio after engine modifications.
Why riders pick this
- Genuine Mikuni OEM quality for dependable performance
- Specific #180 main jet size for mid-range to full throttle
- Designed for V-twin carburetors with large round jet seats
- 4-pack ideal for extensive tuning or as replacements
When you're pushing your Harley-Davidson or Indian Motorcycle, accurate fuel metering is paramount for both performance and engine longevity. These Mikuni Large Round Main Jets, in a #180 size, are designed to precisely control fuel flow at higher RPMs and wider throttle openings. As genuine Mikuni OEM parts, they offer the consistency and quality needed for reliable carburetor tuning.
Enhanced Performance Tuning
- Genuine Mikuni OEM part ensures authenticity and fitment
- #180 main jet size for mid-range and full-throttle fuel delivery
- Specifically for V-twin carburetors using large round main jets
- Includes four jets for comprehensive tuning or spares
Dialing in Your V-Twin
The #180 main jet provides a specific step in enriching your fuel mixture, often necessary for V-twins with performance intake and exhaust systems. Proper jetting prevents lean conditions, promotes optimal power output, and ensures smooth operation. Always cross-reference with your carburetor's tuning specifications and consider factors like altitude and engine modifications to select the correct jet for your setup.
Specifications
- Brand: Mikuni
- Manufacturer Part #: FN100604-180
- Jet Size: #180
- Quantity: 4 per pack
- Length: 4.4 in
- Width: 2.2 in
- Height: 0.6 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
What type of carburetor do these #180 jets fit?
These #180 large round main jets are designed for V-twin motorcycles equipped with Mikuni carburetors that accept this jet style.
Why is a 4-pack of jets included?
The 4-pack allows for comprehensive tuning, replacing all necessary jets in a multi-carb setup, or keeping spares for future adjustments.
How do I determine if #180 is the correct size for my bike?
Jet selection depends on your specific carburetor model, engine setup, and riding conditions. Consult your Mikuni carburetor's tuning guide or a professional for guidance.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Mikuni |
| TYPE | Jets |
| SKU | 134-7180 |
| WEIGHT | 0.05 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
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✓ VERIFIED
Mar 27, 2021
It's an oem Mikuni jet not much to say.
✓ VERIFIED
Mar 25, 2021
Great product packaging very good
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May 16, 2020
good part
✓ VERIFIED
Sep 27, 2019
5 Stars
✓ VERIFIED
Jul 2, 2015
Fast shipping, very satisfied
