2003 Suzuki LT-Z400 Factory Service Manual, Page 125Get this manual

COOLING AND LUBRICATION

Remove the front Disconnect the cooling fan Test the cooling fan motor load current with an ammeter canas shown in the illustration,

The voltmeter is fOf sure the battery applies 12 to the motorWith the motor Witll electric motor fan at full speed, the ammeter be indicating not more than 5
Fan motor
rnrneter

If the fan motor does not new one,

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