1992-1998 Polaris Personal Watercraft Service Manual PN 9912201, Page 74Get this manual

1992-1998 Polaris Personal Watercraft Service Manual PN 9912201, Page 74

MAINTENANCETUNE UP Fuel System Carburetor Adjustments DO NOT attempt to perform carburetor adjustments with the engine attached
the craft safely secured to trailer or dock Mikuni Carburetor Install tachometer to one of the spark plug high tension leadsAdjust
idle speed to specified RPM by turning idle speed screw clockwise (to increase) or counterclockwise (to decrease) speed Keihin
Carburetor Carburetor SynchronizationManometer NOTE: 19921994 models have vacuum fittings and can be synchronized with manometer