2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 96Get this manual
FUEL SYSTEMCARBURETION
SPECIAL TOOLS
PART NUMBER 2870975 2872314 TOOL DESCRIPTION Mity Vact Pressure Test Tool Carburetor Float Adjustment Tool
outside this temperature andor altitude rangeThe jetting installed in production is not intended for all altitudes andor temperaturesIn addition, air screwpilot screw adjustments and PVT adjustments may be required to suit operating conditions