1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 366Get this manual
ENGINESCARBU RETION
Carburetor Assemblyllnstallation
Carburetor AssemblyAdjustment, Cont13Install the plastic spacer washer on the bottom of the needle and slide it up to the "E" clip14Install the jet needle assembly into the vacuum slide and install the slide into the carburetor bodyBe sure the tab on the outer edge of the diaphragm is positioned properly in the carburetor body15Fit the diaphragm sealing lip into the groove in the carburetor body16Install the spring seat washer and install the spring17Install the diaphragm chamber cover and tighten the screws18Check for free movement of the slide and make sure it returns smoothly and completely' 19Install the idle stop screw with spring until it lightly contacts the throttle shaft stop armTurn the screw in 12 turns from this pointMove the throttle actuator arm to full open and make sure operation is smooth and arm returns quickly and completely to closed position
Carburetor Installation