2010 Polaris Sportsman 850 Service Manual, Page 50Get this manual
ELECTRONIC FUEL INJECTION SPECIAL TOOLS
Part NumbersDescriptions
PART NUMBER PU-43506-A PS-48762 2201519-A TOOL DESCRIPTION Fuel Pressure Gauge Kit Fuel Pressure Gauge Adaptor Throttle Position Sensor (TPS) Tester PU-47466 547927 TPS Tester Wire Harness TPS Tester Regulator Relief Valve
Fuel Pressure Gauge KitPU-43506-A
IMPORTANT: The EFI fuel system remains under high pressure, even when the engine is not runningBefore attempting to service any part of the fuel system, the pressure must be relievedThe Fuel Pressure Gauge Kit has an integrated pressure relief valve that can be used to bleed off pressure