Suzuki LT-Z250 Service Manual page 235

Step 4
1) Measure the resistance of the generator coil. (!8-9)
Is the resistance of generator coil OK ?
YES Go to Step 5.
NO Faulty generator coil or disconnected lead wires
Step 5
1) Measure the generator no-load voltage. (!8-9)
Is the generator no-load voltage OK ?
YES Go to Step 6.
NO Faulty generator
Step 6
1) Inspect the regulator/rectifier. (!8-10)
Is the regulator/rectifier OK ?
YES Go to Step 7.
NO Faulty regulator/rectifier
Step 7
1) Inspect the wirings.
Are the wirings OK ?
YES Faulty battery
NO
Battery overcharge
Faulty regulator/rectifier
Faulty battery
Poor contact of generator lead wire coupler
Short circuit of wire harness
Poor contact of couplers
ELECTRICAL SYSTEM 8-7