Mikuni Float Bowl O-Ring - HSR42 HSR45 HSR48 Carburetors
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.
Ensure a perfect seal for your Mikuni HSR carburetor with this genuine Mikuni float bowl O-ring. It's a direct replacement designed to stop fuel seepage at the float bowl, restoring a dry and reliable carburetor base on your Harley-Davidson or Indian Motorcycle engine.
Why riders pick this
- Genuine Mikuni OEM part
- Fits HSR42, HSR45, HSR48 carbs
- Stops fuel seepage at float bowl
- Direct float bowl seal replacement
Over time, the O-ring seal on your carburetor's float bowl can harden and shrink, leading to frustrating fuel leaks. This genuine Mikuni OEM replacement O-ring is engineered to provide a tight, leak-free seal for HSR42, HSR45, and HSR48 carburetors. Replacing a compromised O-ring is a simple yet crucial maintenance step to prevent fuel loss and maintain the integrity of your V-twin's fuel system.
Secure Fuel System Seal
- Genuine Mikuni OEM replacement part
- Fits HSR42, HSR45, and HSR48 carburetors
- Stops fuel seepage at the float bowl
- Restores a dry and reliable carburetor base
Essential Carburetor Maintenance
A leaky float bowl isn't just an annoyance; it can be a fire hazard and lead to inconsistent engine performance. This Mikuni O-ring offers an exact fit and the proper material to withstand fuel exposure, ensuring long-lasting performance. It's an indispensable component for any V-twin owner performing carburetor rebuilds, jetting changes, or routine maintenance, helping to keep your ride running clean and safe.
Specifications
- Brand: Mikuni
- Manufacturer Part #: F616-94028
- Length: 4.4 in
- Width: 3.3 in
- Height: 0.3 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
Which Mikuni carburetors does this O-ring fit?
This Mikuni float bowl O-ring is designed to fit Mikuni HSR42, HSR45, and HSR48 carburetors, commonly found on Harley-Davidson and Indian Motorcycle engines.
Why would I need to replace the float bowl O-ring?
Over time, the original O-ring can harden, crack, or shrink due to heat and fuel exposure, leading to fuel seeping from the carburetor base. Replacing it ensures a proper seal and prevents leaks.
Is this a genuine Mikuni part?
Yes, this is a genuine Mikuni OEM part, ensuring proper fitment and material quality for your carburetor. It is not an aftermarket copy.
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 | Intake/Carb/Fuel System |
| SKU | 14-2508 |
| WEIGHT | 0.05 lb |
