2006-2009 Suzuki LT-R450 Service Manual, Page 350Get this manual
ELECTRICAL SYSTEM
GENERATOR NO-LOAD PERFORMANCE Disconnect the generator coupler Start the engine and keep it running at 000 rmin Using the multi-circuit tester, measure the voltage between three lead wiresIf the tester reads under the specified value, replace the generator with new one.RELI 09900-25008: Multi-circuit tester set Tester knob indication: Voltage (-)
Generator no-load performance: 50 and more at 000 rmin (When engine is cold)
REGULATORRECTIFIER Remove the front fender([:::::7'7-6) Remove the regulatorrectifier Measure the voltage between the lead wires using the multi-circuit tester as indicated in the table belowIf the voltage is not within the specified value, replace the regulatorrectifier with new onelr'OOtI 09900-25008: Multi-circuit tester set Tester knob indication: Diode test () Unit: V