DIAPHRAGM & GASKET SET FOR KEIHIN KE38 KE40 KE42

Diaphragm & Gasket Set for Keihin KE38 KE40 KE42

This diaphragm and gasket set rebuilds the fuel metering system of Keihin KE38, KE40, and KE42 carburetors with OEM cross-reference numbers KE38, KE40, and KE42.

Overview

This diaphragm and gasket set is a direct replacement for the pump and metering diaphragms plus all necessary gaskets in Keihin KE38, KE40, and KE42 carburetors. It restores proper fuel flow and idle control for small engines. The set is ideal for repairing carburetors on motorcycles, ATVs, snowmobiles, and other equipment using these Keihin models.

Built For Performance

• High-quality rubber diaphragm resists fuel degradation
• Precision-cut gaskets ensure a leak-free seal
• Direct fit for Keihin KE38 KE40 KE42 carburetors
• Includes both pump diaphragm and metering diaphragm
• Restores smooth idling and throttle response

Specs At A Glance

Good To Know

Q: Will this set work on my Keihin KE40 carburetor? A: Yes, this set is designed specifically for Keihin KE38, KE40, and KE42 carburetors and includes all diaphragms and gaskets needed for a full rebuild.

Q: Should I replace the diaphragm even if the carburetor seems fine? A: Replacing the diaphragm at the first sign of hard starting or erratic idle prevents fuel leaks and ensures reliable operation.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.