Yamaha YZ125N1 Motorcycle User Manual


 
6-5
ELEC
IGNITION SYSTEM
EC627011
CDI MAGNETO INSPECTION
1. Inspect:
9Pick-up coil resistance
Out of specification Replace.
2. Inspect:
9Source coil 1 resistance
Out of specification Replace.
3. Inspect:
9Source coil 2 resistance
Out of specification Replace.
EC628000
CDI UNIT INSPECTION
Check all electrical components. If no fault is
found, replace the CDI unit. Then check the
electrical components again.
Tester (+) leadWhite/Red lead 1
Tester (–) lead
White/Blue lead 2
Pick–up coil Tester selector
resistance position
248~372 at
× 100
20°C (68°F)
Tester (+) leadBlack/Red lead 1
Tester (–) lead
Green/White lead 2
Source coil 1 Tester selector
resistance position
720~1,080 at
× 100
20°C (68°F)
Tester (+) leadGreen/Blue lead 1
Tester (–) lead
Black lead 2
Source coil 2 Tester selector
resistance position
44~66 at
× 10
20°C (68°F)
5MV-9-10-6 6/12/00 9:05 PM Page 6-5