2004 Polaris Freedom, Virage, Genesis and MSX-140 Service Manual., Page 141Get this manual
FUELEXHAUST SYSTEMS Carburetor DisassemblyInspectionContinued
4Measure control arm height from machined surface to top of plastic button on control armRemove screw and remove control arm and inlet needleNOTE: 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 conditionIf the control arm is too far below the casting parallel line lean condition will result5Inspect inlet needle for wear, damage, or foreign materialGood Condition Worn, Deposits .060 1.5 mm 1