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SPARK PLUG CAP
• Check continuity with a circuit tester.
• Spark plug cap has no resistor.
• If there is no continuity, replace the spark plug cap.
Spark plug cap
SPARK PLUG
Sparking performance
a
a
: Over 6.0 mm (0.236 in.)
Electrode gap
b
b
: 0.7 to 0.8 mm (0.028 - 0.031 in.)
• Check the sparking performance with an ignition checker.
1
1
Spark plug cap
2
2
To spark plug or Engine body earth
• Start cranking in the same way as starting the engine and
inspect whether spark is greater than the rated value.
In case of no spark or sparking performance a is less than
6 mm (0.236 in.)
• Clean the spark plug.
• Adjust the electrode gap.
• Replace the spark plug.
• Check the ignition coil
(next page).
Engine body
a
1
Associated cable
Ignition
cable
Ignition
checker
Engine body
Ignition
cable
Associated cable
Gasket
Side electrode (-)
Electrode gap
0.7 to 0.8 mm
b
Summary of Contents for EH63
Page 1: ...SERVICE MANUAL EH63 64 65 and EH72 ENGINES Models PUB ES2158 Rev 08 09 ...
Page 84: ......
Page 85: ...PRINTED IN THE USA ...
