Mikuni HSR 45/42 Carburetor Easy Kit - Harley Evolution & Twin Cam
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 HSR 45/42 Carburetor Easy Kit offers a performance upgrade for your Harley Evolution or Twin Cam without altering its factory appearance. This kit is engineered to work seamlessly with your existing stock manifold and cables, simplifying the installation process. It's an ideal choice for riders seeking enhanced performance while maintaining an OEM aesthetic.
Why riders pick this
- Utilizes stock manifold and cables for factory appearance
- Special adapter for stock airbox compatibility
- Works with Screamin' Eagle performance air filter kits
- Designed for EVO Big Twin and Twin Cam engines
- Simplified installation process for a quick upgrade
For riders who want the proven performance of a Mikuni HSR carburetor but prefer to keep their bike's original look, the Easy Kit is the perfect solution. This kit integrates with your stock manifold and cables, avoiding the need for extensive modifications. It's a smart way to gain better throttle response and increased power on your V-twin without a complete overhaul of your intake system.
Seamless Integration and Performance
- Designed to utilize your existing stock manifold and throttle cables
- Special adapter included for compatibility with your stock airbox
- Works with Screamin' Eagle performance air filter kits for further upgrades
- Maintains a factory appearance after installation
Upgrade with Simplicity
The Mikuni HSR 45/42 Easy Kit is all about straightforward performance. By leveraging your bike's existing components, it cuts down on installation time and complexity. Whether you stick with your stock airbox or opt for a Screamin' Eagle filter, this kit provides a solid foundation for improved engine efficiency and a more responsive ride.
Specifications
- Brand: Mikuni
- Manufacturer Part #: F45-5
- Type: HSR 45/42 Carburetor Easy Kit
- Length: 5.8 in
- Width: 9.8 in
- Height: 5.2 in
- Weight: 3.72 lbs
- Country of Origin: Japan
Common questions
Can I use my stock airbox with this Mikuni Easy Kit?
Yes, this Easy Kit includes a special adapter that allows you to retain your stock airbox, or you can opt to use a Screamin' Eagle performance air filter kit instead.
Do I need to replace my manifold or throttle cables?
No, this Mikuni HSR Easy Kit is specifically designed to use your stock manifold and cables, which helps maintain a factory appearance.
What models does this Easy Kit fit?
This kit is designed to fit Harley Evolution Big Twin and Twin Cam engines. Please confirm fitment for your specific year and model using our Shop by Bike tool.
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 | 14-2023 |
| WEIGHT | 3.72 lb |
