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15. IGNITION SYSTEM Pulsar CK 125
CDI UNIT CDI Unit CDI Unit Coupler
REMOVAL
Remove the seat and fuel tank. (Refer to 4-
8.)
Disconnect the CDI unit coupler and remove
the CDI unit.
INSPECTION
Measure the resistance between the CDI unit
terminals.
Replace the CDI unit if the readings are not SW (Black/White) EXT (Black/Red) E2 (Green)
within the specifications in the table below.
The CDI unit is fully transistorized. For
accurate testing, it is necessary to use a
specified tester. Use of an improper
tester or measurements in an improper
range may give false readings.
Use a Sanwa Electric Tester SP-10D or
Kowa Electric Tester TH-5H for testing.
PC (Blue/ IGN (Black/ E1 (Green/White)
Testing Range White) Yellow)
Use the xK range for the Sanwa Tester.
Use the x100 range for the Kowa Tester.
Unit: K
(+)Probe SW EXT PC E2 E1 IGN
(Black/ (Black/ (Blue/ (Green/ (Black/
(-)Probe White) Red) White) (Green) White) Yellow)
SW
(Black/
White)
EXT Needle Needle
(Black/ 3-6K swings then swings then
Red)
PC
(Blue/ 35-42K 18-22K 8-10K 8-10K
White
E2 There is
15-18K 4.5-5.5K 7-9K continuity
(Green)
E1 There is
(Green/ 15-18K 4.5-5.5K 7-9K continuity
White)
IGN
(Black/
Yellow)
Note: The readings in this table are taken with a Sanwa Tester.
15-4