User Guide

17. IGNITION SYSTEM
17-3
YUP 25 0
SPARK PLUG
For spark plug inspection and adjustment,
refer to page 3-5.
IGNITION COIL INSPECTION
Remove the met-in box. (
!
2-6)
Remove the center cover. (
!
2-7)
Remove the ignition coil
IGNITION COIL CONTINUITY TEST
Inspect the continuity of the ignition coil,
primary coil and secondary coil.
Measure the ignition coil resistances at
20℃ .
Primary coil
3.4_ 3.6W
Secondary coil
without plug cap
14.45KW
Secondary coil with
plug cap
19.8KW
Electric tester: YF-3501
Ignition Coil
AC 110V
This is a general test. Accurate ignition
coil test must be performed with a
ignition unit tester.
＊
Ignition Coil
Secondary Coil
Primary Coil
Ignition Coil