Yamaha 115-225 HP Outboards Service Manual, Page 209Get this manual
_ M51700-0
STATOR 1) Replace coil(s) if insulation is separated or conductor is exposed on anyone of them
Charge coil 1) Check the resistance of the charge coilsCharge coil resistance: BR-L 55.4-83.20 at 20 deg.C (68 deg.F) Br-R 592-8880 at 20 deg.C (68 deg.F) Lighting coil 1) Check the resistance of the lighting coil