This carburetor vacuum diaphragm plunger serves as a complete replacement assembly for CV carburetors, specifically designed to address common issues that affect motorcycle performance. When the diaphragm becomes pinched, torn, or when vacuum port modifications have caused operational problems, this replacement provides a solution.

The improved design features tumble polishing for smoother surfaces and utilizes enhanced diaphragm materials that contribute to longer service life. This component is engineered to restore proper carburetor function in various motorcycle models equipped with CV40 carburetors from the late 1980s through 2006.

Proper installation of this vacuum diaphragm plunger can help resolve driveability concerns and restore engine performance. The component is manufactured to match specifications, ensuring compatibility with the listed motorcycle models while providing the durability needed for .

Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.