Checking The Spark Plug Caps; Removing The Spark Plug Caps (Standard Type); Installing The Spark Plug Caps (Standard Type) - Yamaha EK25BMH Service Manual

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ELEC
IGNITION SYSTEM
O K
(4) Crank the engine and observe the spark
through the discharge window of the
ignition tester.
NOTE:
• If there is no spark or the spark is weak,
check spark plug cap, ignition coil,
pulser coil, charge coil and CDI unit.
• If a good spark is obtained, the problem
is not with the ignition system, but pos-
sibly with the spark plug(s) or another
component.

CHECKING THE SPARK PLUG CAPS

Check
• Spark plug cap
Crack/damage → Replace.
REMOVING THE SPARK PLUG CAPS
(STANDARD TYPE)
Removing steps
(1) Remove the spark-plug cap
ing the cap, and remove the plug-cup
2
spring from the high-tension cable
3
.
INSTALLING THE SPARK PLUG CAPS
(STANDARD TYPE)
Installing steps
(1) Cut about length
high-tension cable
Length
5mm (0.20 in)
8-6
1
1
a
off the end of the
3
.
a
E
by pull-