Inspecting Ignition Module - Yamabiko ECHO PB-2520 Service Manual

PB-2520
EB252

4-5 Inspecting ignition module

A
A
IGNITION SYSTEM
1. Remove spark plug cap (A) from spark plug.
B
2. Connect black probe (b1) of Ohm-meter or mul-
timeter (B) to spark plug cap coil in spark plug cap
(A).
b1
3. To measure secondary coil resistance, con-
tact cylinder n with red probe (b2). Secondary coil
resistance should be in the range of 960 to 1,000 .
b2
4. I f t h e m e t e r r e a d i n g i n d i c a t e s i n n i t e
r es is t anc e, remove spark plug cap and spark
plug cap coil, and measure resistance between the
conduction wire of high tension lead and ignition
module core.
5. If the reading at step 3 or 4 is not in the range of
960 to 1,000 , replace with a new ignition module
(Refer to "4-6 Replacing ignition module").
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