Upgrade your ride with the MIKUNI HSR42/45 CARB REBLD KIT from Knobtown Cycle, Kansas City’s premier motorcycle parts destination.
Product Description
HSR42/45 CARB REBLD KIT
- Includes top cover gasket, jet needle (with E-ring and washer), throttle valve seal, pilot air O-ring, fuel joint O-ring, accelerator pump O-ring, needle valve O-ring, needle valve retainer screw, needle valve assembly, float bowl O-ring/gasket, overflow hose, float bowl screws and accelerator pump rod boot
- Genuine Mikuni parts properly replace worn or mistreated components for HSR carburetors
- Includes all the parts needed to rebuild HSR carburetors
Part Locations
| Location |
Available |
| Wisconsin (WI) |
20+ |
| New York (NY) |
20+ |
| Texas (TX) |
15 |
| Nevada (NV) |
20+ |
| North Carolina (NC) |
20+ |
| National Total |
20+ |
Stock levels last updated: December 23, 2025 2:11 AM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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