1993-2000 Honda TRX300EX Service Manual, Page 166Get this manual
Charging SystemAtternator Unit Inspection If the circuit on the wire harness side is normal and there are no loose connections at the connector, inspect the regulator rectifier unit by measuring the resistance between the terminals
NOTE: You'get false readings if the probes touch your fingersUse the specified multimetersUsing other equipment may not allow you to obtain the correct resultsThis is due to the characteristic of semiconductors, which have different values depending on the applied voltageSpecific Multimeter:074110020000 IKOWA Digital typel073080020001 (S ANWA Analogue typel Select the following range: SANWA:xkQ KOWA: 100 An okl battery stored in the multimeter couki cause Inaccurate readingsCheck the battery if the multimeter resistance incorrectlyWhen using the KOWA multimeter, remember value that 8readings shoukl be multipfled by lOll