2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 139Get this manual
CarburetionExhaust 2001 Keihin 40mm CDK Carburetor System Overview
The Keihin CDK carburetor is float-less diaphragm typeSeveral separate but overlapping systems are used to meter fuel and air properly1Air Metering System
The metering of air is controlled by the throttle plateThe position of the throttle plate determines which fuel delivery system or systems supply fuel from the fuel chamber to the engine2Inlet Needle Valve SystemFuel Chamber