Generic Trigger SM 50ccm, Owner'S Manual

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6.4 CDI group
6.4.1 System inspection
System inspection.
Disassemble the CDI group and inspect the parts related
with the ignition system at the wire terminal.
6.4.2 Inspection
Disassemble the CDI group and inspect whether the joint is
loosen or eroded.
Inspection item Testing terminal Standard value （ 20 ）
Main switch red—red/white Conducted when main switch at "
OFF "
Trigger red--Ground 100-200 Ω
primary ignition coil
black/white—black 0.4 Ω
（
+/-
）
10
％
Secondary ignition coil
black—
spark plug cover
（
spark plug not included
）
4.5-5.5K Ω
（
+/-
）
10
％
6.5 Ignition coil
6.5.1 Disassembly
Disassemble the body cover.
Disassemble the spark plug cover.
Disassemble the primary ignition coil.
Disassemble the ignition coil fixing bolts and unload the
ignition coil.
Installation is conducted in the reverse order of
disassembly.
*Note
The primary coil is installed in
accordance with the black/ white wire.
6.5.2 Inspect the primary coil
Measure the resistance between terminals of primary coil.
Standard value ： 0.4 Ω （ +/- ） 10 ％（ 20 ）
If the resistance value is within standard value range, the
primary coil is good.
The resistance value "
∞ " stands for broken line in the coil ，
so replace with a new product.
红/黑
蓝/白
黑
黑/白
black
Red/black
Black/white
blue/white
Ω
点火线图
Ignition line figure