Ignition System - Husqvarna 50 Workshop Manual

Ignition

Ignition System

These models are equipped with an electronic ignition
system. One of the characteristics of this system is that
the spark across the spark plug electrode gap has a
higher energy and shorter burning time (arc duration
time). When viewing the spark on a properly functioning
ignition system, the spark will appear to be weaker
compared to breaker point ignition systems due to the
shorter arc duration time.
Spark Plug
Champion RCJ7Y and NGK BPMR6A are the only spark
plugs that should be used. The spark plug should be
removed, cleaned and inspected at least once a week.
The spark plug electrode gap should be 0.5 mm
(0.020 in.).
If the electrodes are worn, install a new, properly gapped
spark plug.
Checking for Spark
Remove the spark plug. Move the ignition stop switch to
the "ON" position.
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