The Mikuni HSR carburetor rebuild kits contain all the necessary genuine Mikuni components to rebuild your HSR42, HSR45, or HSR48 carburetor.  Includes gaskets, o-rings, screws, and fuel overflow line however does not contain any jetting.  See the parts list and diagram below.

• KHS-016 kit fits the HSR42 and HSR45 carburetors
• KHS-031 kit fits the HSR48 carburetors

All kits are sold each, select the same amount of kits as you have carburetors to service.

Please feel free to contact us with any additional questions or requests, we are available by direct line, IM, or email. We are available for tuning and setup questions as well as continuing product support after the sale.