2008 Polaris ATV Predator 50, Sportsman Outlaw 90 Service Manual, Page 159Get this manual
ELECTRICAL RPM Limiter Specifications
Model 50cc 90cc Max RPM 7400 8400 Ignition Timing 33.5 BTDC 33.5 BTDC
Pulser Coil OutputResistance Tests
Disconnect the 4-wire connector at the CDI boxInstall the Peak Reading Adaptor (PV-39991) to your meter and connect one meter lead to the dark blueblack wire (DBBK) and the other to engine groundSet meter to read DC VoltsCrank engine and verify pulser coil outputVoltage Test Pulser Coil Connect Reading Meter Leads (With Peak Reading Adapter) Between: DBBK to Engine Ground DC Volts minimum cranking RPM
NOTE: There are no timing advance marks stamped on the flywheel to read with timing light
Ignition Coil Test
Measure between the two wire tabs for Primary reading
If readings are within specifications, test the resistance value of the pulser coilWhen finished, reconnect the 4-wire connector to CDI boxOhm Test Pulser Coil Pulser Coil Testing Connect Meter Leads To: Blue to Black Reading 150 20