Mikuni Bleed Pilot Jets #40 4-Pack - Mikuni 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.
Keep your V-twin running crisp with a set of Mikuni Bleed Pilot Jets. These #40 jets are crucial for precise fuel delivery at idle and part-throttle on your Mikuni VM28/486 carburetor.
Why riders pick this
- Optimizes idle and low-throttle fuel delivery
- Exact fit for Mikuni VM28/486 carburetors
- Convenient 4-pack for tuning or multi-carb setups
- Genuine Mikuni component for reliable performance
When you're chasing that perfect idle and smooth transition off the bottom, the pilot jet is where the magic happens. This 4-pack of Mikuni Bleed Pilot Jets in #40 size gives you the tuning capability you need to dial in your V-twin's Mikuni VM28/486 carburetor. Whether you're compensating for elevation changes, air cleaner upgrades, or just fine-tuning for optimal response, having the right jet is key to a well-behaved engine.
Precision Fuel Metering
- Controls fuel delivery at idle and low-throttle for smooth operation
- Designed specifically for Mikuni VM28/486 series carburetors
- Supplied in a convenient 4-pack for tuning and spares
- Manufactured in Japan to Mikuni's exacting standards
Tuning for Performance
Changing your pilot jet can dramatically affect your bike's rideability, especially in stop-and-go traffic or when cruising at low RPMs. If your V-twin is bogging or sputtering off-idle, a different pilot jet size is often the solution. This 4-pack ensures you have the right components on hand to get your Mikuni VM28/486 carburetors jetted correctly for any setup.
Specifications
- Brand: Mikuni
- Manufacturer Part #: FVM28/486-40
- Quantity: 4 per pack
- Length: 4.5 in
- Width: 2.3 in
- Height: 0.4 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
What do these jets do for my V-twin?
These bleed pilot jets control the air-fuel mixture at idle and low throttle positions, which is critical for smooth engine response and starting.
Will these jets fit my carburetor?
These #40 bleed pilot jets are specifically designed for Mikuni VM28/486 carburetors. Please confirm your carburetor model before ordering.
Why are these jets sold in a 4-pack?
The 4-pack provides enough jets for multi-carb setups, allows for tuning experimentation, and gives you spares for future maintenance or adjustments.
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 | 134-0040 |
| WEIGHT | 0.05 lb |
