2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 291Get this manual
I IGNITION SYSTEM INSPECTION
If there is no spark at any plug, check all connec tions for loose or poor contact before measuring each peak voltageUse recommended digital mullimeter or commer cially available digital mullimeter wi th an imped ance of 10 MODCV minimum The display value differs depending upon the in ternal impedance ol ha multimeterConnect th peak voltage adapter to the digital multimeter ,
TOOLS: Peak lIoltage adapter
DIGITAL MULTIM ETE R
IGNITION SYSTEM
PEAK VOLTAGE ADAPTER 07HGJ0020100