2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 415Get this manual
IGN ITION SYSTEM
SERVICE INFORMATION
GENERAL
So me elect rical compo ne nt ay be da maged if erm in al or co nnec to rs are co nnec te isconn ected whi le th ignitio switch is ON and cu rre nt is resent Wh en se rv icing he ig nitio system, always follow th steps in the ro ub les hooting ta ble pag 20-4 Th is vehicle's Ig nition Co nt ro odu le (lCMis built in the engi ne co nt rol mod ul (ECMhe ig nitio ti mi ng ca nno adjust ed since th ECM is actory preset he ECM ay be damaged if ro pped lso, if th co nnecto is isconn ect ed hen cu rr ent is fl owi gthe exc ess ive lt ag ay am ag the ECMA lway urn ff th igni tion switch befo re serv ici ng aulty ign it ion sys te is often rel at ed poor co nnection sCh eck th os co nn ectio ns befo re pr oceedin ake sure th batte ry is ad equately cha rgedUs ing th sta rte otor it eak att er results slo er engi ne cranking sp eed as we ll as spark at th spark plug his vehicle' sp ar plug is equ ipped wi iridium type elect ro deDo not se any spa plug ot her th an spe ci fied See pag 10-7 fo ig nition pul se gen er ato rem va lin st all ati on See pa ge 226 ig ni io swit ch se rvi ci ng See page 22-7 fo en gine st sw itch in sp ect ion See pag 24-39 ge ar posit io switc se rv ic ng