1984 Official Honda TRX200 Shop Manual, Page 242Get this manual
Q IGNITION SYSTEM
IGNITION COIL
REMOVAL
Remole the spark plug cap from the spark plugDisconnect the ignition coil primary wire and reo mOlle the ignition coil
INSPECTION
Check the resistances between the leads of the pri mary and secondary coilsPrimary coil: 0.18 0.02 Second coil: 4.1 0.4 kn