Mikuni Bleed Pilot Jets #27.5 - Harley & Indian V-Twin VM28/486 Carbs
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.
Optimize your V-twin's idle and low-throttle performance with this 4-pack of Mikuni Bleed Pilot Jets. Sized #27.5, these precision jets are vital for accurate fuel metering in VM28/486 carburetors, ensuring your engine runs smooth and responsive.
Why riders pick this
- Optimizes idle and low-throttle fuel mixture
- Enhances engine smoothness and responsiveness
- Specific fitment for VM28/486 Mikuni carburetors
- Reliable, precision-machined Japanese quality
- Essential for fine-tuning carbureted V-twins
When fine-tuning your carbureted V-twin, the pilot circuit dictates much of the engine's behavior at idle and through the initial throttle opening. These Mikuni Bleed Pilot Jets in size #27.5 are engineered for VM28/486 Mikuni carburetors, providing the necessary precision to achieve optimal fuel delivery. Whether you're addressing a lean condition off idle or simply seeking to refine your bike's low-speed manners, these jets offer a crucial adjustment point for performance and rideability.
Consistent Fuel Delivery for Enhanced Performance
- Meters fuel precisely at idle and low-throttle conditions
- Ensures smooth and responsive engine operation
- Designed for direct fitment in VM28/486 Mikuni carburetors
- Japanese-made for quality and consistent performance
The Importance of a Properly Jetted Carburetor
A well-jetted carburetor means a V-twin that starts easier, idles more consistently, and transitions seamlessly through the lower RPM range. The #27.5 bleed pilot jet provides a mid-range option for tuners looking to dial in their VM28/486 carb. Having a selection of these jets on hand allows you to adapt to different riding conditions, fuel types, or engine modifications, maintaining peak performance for your Harley or Indian motorcycle.
Specifications
- Brand: Mikuni
- Manufacturer Part #: FVM28/486-27.5
- Carburetor Model: VM28/486
- Jet Size: 27.5
- Length: 4.5 in
- Width: 2.3 in
- Height: 0.4 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
Will these jets fit my Harley-Davidson carburetor?
These #27.5 bleed pilot jets are specifically made for Mikuni VM28/486 carburetors. They are not compatible with stock Harley-Davidson carburetors, so please verify your carb model.
What is included in this jet pack?
This product contains a four-pack of #27.5 Mikuni Bleed Pilot Jets, providing multiple jets for tuning or as spares.
Do I need any special tools to install these jets?
Jets typically screw into the carburetor body and can usually be installed with basic hand tools. However, always refer to your carburetor's service manual for specific installation instructions.
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 | 134-00275 |
| WEIGHT | 0.05 lb |
