1999 Polaris PWC Genesis, Ficht, X-45 Service Manual, Page 96Get this manual
FUEL SYSTEMCARBURETION
Carburetor DisassemblyInspection
21Inspect diaphragm for signs of hardening, stretched or weak areas, holes, or tears
22Measure control arm height from machined surface to top of plastic button on control arm(Keihin carb only NOTE: Top of plastic button #2 should be .060 "(1.5 mm) below casting surface #1 as per illustration at rightVariances in control arm positioning will result in incorrect fuel supplyIf the control arm is too close to the diaphragm, fuel levels will increase, resulting in rich operating condition If the control arm is too far below the casting parallel line lean condition will result(Keihin carb only 23Loosen screw and remove control arm and inlet needle