8-4
Electrical System
4st 4/5/6 2011
4. Start engine and check spark. If spark is weak, check
igniter (including igniter clearance) and/or plug cap.
Spark Tester:
P/N. 3F3-72540-0
OK
Spark Performance:
10 mm (0.4 in) or over
This test can be made without removing parts.
2. Ignition System and Ignition
Control System
1) Inspection of Ignition Spark
1. Disconnect plug cap from spark plug.
2. Connect plug cap to spark tester.
3. Connect spark tester clip to spark plug tip electrode.
· When testing, put electrode cap assuredly
to prevent direct contact with spark
tester wiring and leak of electrical
current, and perform test carefully.
· Keep flammable gas, fuel and oil away
from tester to prevent them from catching
sparks.
MFS4-5-6Ech08110422.qxd 11.4.22 6:00 PM ページ4
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