2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 520Get this manual
IGNITION SYSTEM With th co nnec to co nnecte d, con nect the peak
vcltaqe teste or adaptor probes to the ig nition coi l
pri ma ry erminal and body gr undCONNECTIO N: Gr een red (-IBody ground 1+1
Turn he ign it ion sw itch ON and th eng ine sto sw itc the 0"
Shift th transmission int neut ralAVOId lauelung
tltp pllK)
Crank th engine with he sta rte motor and read he ig nition co il primary peak vouaae
s tester pr obes
eec PEAK VOLTAGE: 100 minimum
If the peak vottaqe is lowe th an the standard value, fo ll ow the ch ecks desc ri bed in the tr ou blesh uoting cha rt (page 1-4)
IIlcshod
CKP SENSOR PEAK VOLTAGE
Check that th cylinder co pressi is no rmal and he spark pl ug is ins taltad cnrr ect ly in the cyli nde head Remo ve th stee ring co ver lpage 351Sealhf PCM COIl