2006-2014 Honda FourTrax ATV TRX250 EX TRX250X Service Manual, Page 322Get this manual
IGNITION SYSTEM
IGNITION SYSTEM INSPECTION
If no spark jumps at the plugcheck all connections for loose or poor contact before measuring each peak voltage Use recommended digital multimeter or commercially available digital multimeter (impedance 10 MWDCV minimum) The display value differs depending upon th internal impedance of the multimeterConnect the peak voltage adapter to the digital mul timeter, or use the peak voltage testerTOOLS: Peak voltage tester MTP07-0286 (U.S.Aonly) or Peak voltage adapter 07HGJ-0020100 (not available in U.S.A with commercially available digital multi meter (impedance 10MQDCV minimum) DIGITAL MU LTIM ETER