Mikuni Air Cleaner Adapter Kit for HSR 42/45/48mm Carburetors
Upgrading to an HSR carb opens up performance, but adapting your air cleaner setup shouldn’t slow you down. Mikuni’s adapter kit creates a clean, secure connection between HSR carburetors and the most common aftermarket air cleaner bolt patterns – giving you the freedom to run the air filter that fits your build.
Key Features
- Direct bolt-on fitment for Mikuni HSR 42, 45, and 48mm carburetors
- Compatible with CV-style and S&S E/G bolt-pattern air cleaners
- Includes alloy adapter, O-ring, and three stainless mounting screws
- Eliminates need for custom fabrication or mismatched adapters
- Mikuni OEM-quality components for reliable sealing and long-term durability
Technical Specifications
- Carburetor Compatibility: Mikuni HSR 42mm, 45mm, and 48mm
- Air Cleaner Pattern: CV bolt pattern and S&S E/G bolt pattern
- Adapter Material: Alloy
- Hardware: Three stainless mounting screws
- Seal: O-ring included
- Includes: Alloy adapter, O-ring, and three stainless mounting screws
Fitment Notes
- Fits Mikuni HSR 42mm, 45mm, and 48mm carburetors only
- Compatible with CV-style and S&S E/G bolt-pattern air cleaners
- Not compatible with other Mikuni carburetor families – confirm carburetor model before ordering
- Review the Fitment tab for carburetor model compatibility details
