Mikuni Carburetor Breather Kit - Harley & Indian V-Twin
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.
The Mikuni Carburetor Breather Kit is designed to manage crankcase vapors efficiently, preventing common issues like carburetor flooding on your V-twin. This direct-fit replacement ensures your carbureted bike runs cleaner and more reliably. It's an essential component for maintaining optimal performance and preventing fuel mixture problems.
Why riders pick this
- Manages crankcase vapors effectively
- Prevents carburetor flooding and related issues
- Direct-fit design for carbureted V-twin motorcycles
- Ensures consistent fuel-air mixture
Keep your carbureted V-twin running strong with the Mikuni Carburetor Breather Kit. This essential component is engineered to manage crankcase vapors, which, if left unchecked, can lead to carburetor flooding, hard starting, and fouled spark plugs. By ensuring proper ventilation, this kit helps maintain a consistent fuel-air mixture, allowing your engine to perform at its best.
Reliable Vapor Management
- Manages crankcase vapors to prevent pressure buildup
- Direct-fit replacement for existing breather systems
- Helps prevent carburetor flooding for consistent performance
- Designed specifically for carbureted V-twin motorcycles
Maintain Peak Carbureted Performance
Installing the Mikuni Carburetor Breather Kit is a straightforward upgrade that pays dividends in engine longevity and ride quality. It's a critical piece for anyone looking to maintain their carbureted Harley or Indian motorcycle, ensuring that your intake system operates as intended. Pair it with other Mikuni components for a fully optimized fuel delivery system.
Specifications
- Brand: Mikuni
- Manufacturer Part #: FKHS-020 R
- Length: 6 in
- Width: 4.7 in
- Height: 0.4 in
- Weight: 0.7 lbs
- Country of Origin: Japan
Common questions
What is the primary function of this breather kit?
This kit is designed to manage crankcase vapors, preventing pressure buildup that can lead to carburetor flooding, hard starting, and fouled spark plugs on carbureted V-twin engines.
Will this breather kit fit my fuel-injected Harley-Davidson?
No, this Mikuni Breather Kit is specifically for carbureted V-twin motorcycles. Fuel-injected bikes utilize different vapor management systems.
Is this a direct replacement for my stock breather system?
Yes, this kit is designed as a direct-fit replacement for stock breather systems on carbureted V-twin motorcycles. We recommend checking your bike's existing breather routing for optimal compatibility.
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 | 14-1999 |
| WEIGHT | 0.7 lb |