Mikuni HSR 42mm Carburetor Easy Kit - Harley Twin Cam Big 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.
Boost the performance of your Harley-Davidson Twin Cam Big Twin with the Mikuni HSR 42mm Carburetor Easy Kit. This kit is designed for a straightforward installation, allowing you to reuse your stock manifold and throttle cables.
Why riders pick this
- Uses stock manifold and throttle cables
- Works with stock airbox or Screamin' Eagle filters
- 42mm Mikuni HSR carburetor for better performance
- Maintains a clean, factory-like appearance
- Simple installation for Twin Cam Big Twins
The Mikuni HSR 42mm Carburetor Easy Kit provides a significant performance upgrade for Twin Cam Big Twin engines. It's engineered to integrate seamlessly with your existing setup, featuring a special adapter that allows you to maintain your stock airbox or opt for a Screamin' Eagle performance air filter for increased airflow.
Enhanced Engine Performance
- Designed to utilize your stock manifold and throttle cables
- Special adapter ensures compatibility with your stock airbox
- Ready for an upgrade to a Screamin' Eagle high-flow air filter
- Equipped with a 42mm Mikuni HSR carburetor for better atomization
Effortless Power Gains
This Easy Kit makes upgrading your carburetor a simple process, perfect for riders seeking improved throttle response and a noticeable boost in power without complex modifications. It's a smart choice for optimizing your Twin Cam's fuel delivery while preserving the factory aesthetic.
Specifications
- Brand: Mikuni
- Manufacturer Part #: F42-18
- Length: 6 in
- Width: 9.9 in
- Height: 5.2 in
- Weight: 3.7 lbs
- Country of Origin: Japan
Common questions
Will this carburetor work with my existing stock airbox?
Yes, the Easy Kit includes a special adapter that allows you to retain your stock airbox. You can also upgrade to a Screamin' Eagle performance air filter kit if you're looking for even greater airflow.
Does this kit fit my Harley's stock manifold and cables?
Absolutely. The Easy Kit is specifically designed to bolt onto your stock manifold and reuse your existing throttle cables, ensuring a clean and integrated installation.
Is a California A.R.B. legal version available for this kit?
California A.R.B. legal configurations are available for specific EVO Big Twin applications. For other kits, please verify local emissions regulations, as they may not be street-legal in all controlled areas.
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 | 14-2016 |
| WEIGHT | 3.7 lb |
